Brocade Communications Systems ICX 6650 Configuration Manual
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Brocade Communications Systems ICX 6650 Configuration Manual

Layer 3 routing configuration guide
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53-1002603-01
®
28 September 2012
Brocade ICX 6650
Layer 3 Routing Configuration Guide
Supporting FastIron Software Release 07.5.00

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Summary of Contents for Brocade Communications Systems ICX 6650

  • Page 1 53-1002603-01 ® 28 September 2012 Brocade ICX 6650 Layer 3 Routing Configuration Guide Supporting FastIron Software Release 07.5.00...

  • Page 2: Document History

    Export of technical data contained in this document may require an export license from the United States government. The authors and Brocade Communications Systems, Inc. shall have no liability or responsibility to any person or entity with respect to any loss, cost, liability, or damages arising from the information contained in this book or the computer programs that accompany it.

  • Page 3: Table Of Contents

    Supported hardware and software ......xi Brocade ICX 6650 slot and port numbering ....xi How this document is organized .
  • Page 4 Displaying IP information – Layer 3 Switches ... . .113 Displaying IP information – Layer 2 Switches ... . .128 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 5 Enabling RIPng ........158 Brocade ICX 6650 Layer 3 Routing Configuration Guide...
  • Page 6 Disabling or re-enabling load sharing....202 Configuring external route summarization ....204 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 7 Administrative distance .......244 Brocade ICX 6650 Layer 3 Routing Configuration Guide...
  • Page 8 BGP4 route ........309 viii Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 9 Generating traps for BGP ....... . .360 Brocade ICX 6650 Layer 3 Routing Configuration Guide...
  • Page 10 ARP behavior with VRRP-E......420 Brocade ICX 6650 Layer 3 Routing Configuration Guide...
  • Page 11 VRRP-E example........461 Index Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 12 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 13: About This Document

    The Brocade ICX 6650 contains the following slots and Ethernet ports: • Slot 1 is located on the front of the ICX 6650 device and contains ports 1 through 56. Ports 1 through 32 are 10 GbE. Ports 33 through 56 are 1/10 GbE SFP+ ports. Refer to the following figure.

  • Page 14: How This Document Is Organized

    • Slot 2 is located on the back of the Brocade ICX 6650 device and contains ports 1 through 3 on the top row and port 4 on the bottom row. These ports are 2x40 GbE QSFP+. Refer to the following figure.

  • Page 15: Document Conventions

    The following notices and statements are used in this manual. They are listed below in order of increasing severity of potential hazards. NOTE A note provides a tip, guidance, or advice, emphasizes important information, or provides a reference to related information. Brocade ICX 6650 Layer 3 Routing Configuration Guide xiii 53-1002603-01...

  • Page 16: Notice To The Reader

    • Brocade ICX 6650 Hardware Installation Guide New • Brocade ICX 6650 Administration Guide • Brocade ICX 6650 Platform and Layer 2 Configuration Guide • Brocade ICX 6650 Layer 3 Routing Configuration Guide • Brocade ICX 6650 Security Configuration Guide •...

  • Page 17: Additional Information

    For information about the Fibre Channel industry, visit the Fibre Channel Industry Association website: http://www.fibrechannel.org Getting technical help To contact Technical Support, go to http://www.brocade.com/services-support/index.page for the latest e-mail and telephone contact information. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 18: Document Feedback

    Brocade ICX 6650 slot and port numbering Document feedback Quality is our first concern at Brocade and we have made every effort to ensure the accuracy and completeness of this document. However, if you find an error or an omission, or you think that a topic needs further development, we want to hear from you.

  • Page 19: Chapter 1 Ip Configuration

    Chapter IP Configuration Table 1 lists the IP features Brocade ICX 6650 devices support. These features are supported with the full Layer 3 software image, except where explicitly noted. TABLE 1 Supported IP features Feature Brocade ICX 6650 BootP/DHCP relay...

  • Page 20: Basic Ip Configuration

    IP support on Brocade full Layer 3 Switches includes all of the following, in addition to a highly configurable implementation of basic IP services including Address Resolution Protocol (ARP), ICMP Router Discovery Protocol (IRDP), and Reverse ARP (RARP): • Route-only support (Global configuration level only) • Route redistribution Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 21: Ip Interfaces

    IP interfaces NOTE This section describes IPv4 addresses. For information about IPv6 addresses on Brocade ICX 6650 devices, refer to “IPv6 addressing overview” section in the Brocade ICX 6650 Administration Guide. Brocade Layer 3 Switches and Layer 2 Switches allow you to configure IP addresses. On Layer 3 Switches, IP addresses are associated with individual interfaces.
  • Page 22 You can configure an IP address on a Brocade Layer 2 Switch for management access to the Layer 2 Switch. An IP address is required for Telnet access and SNMP access. You also can specify the default gateway for forwarding traffic to other subnets. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 23: Ip Packet Flow Through A Layer 3 Switch

    The Layer 3 Switch selects the queue based on the Quality of Service (QoS) level associated with the session table entry. The filter can be an Access Control List (ACL) or an IP access policy. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 24 IP forwarding device or an ARP reply. Here is an example of a dynamic entry: IP Address MAC Address Type Port 10.95.6.102 0000.00fc.ea21 Dynamic 1/1/6 Each entry contains the destination device IP address and MAC address. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 25 To increase the size of the ARP cache and static ARP table, refer to the following: • For dynamic entries, refer to the section “Displaying and modifying system parameter default settings” section in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide. The ip-arp parameter controls the ARP cache size. •...
  • Page 26 • To increase the size of the IP route table for learned and static routes, refer to the section “Displaying and modifying system parameter default settings” section in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide: For learned routes, modify the ip-route parameter.

  • Page 27: Ip Route Exchange Protocols

    You cannot add static entries to the IP forwarding cache, although you can increase the number of entries the cache can contain. Refer to the section “Displaying and modifying system parameter default settings” section in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide.

  • Page 28: Ip Multicast Protocols

    NOTE Brocade Layer 2 Switches support IGMP and can forward IP multicast packets. For more information see, Chapter 2, “IP Multicast Reduction” in the Brocade ICX 6650 IP Mulitcast Configuration Guide. IP interface redundancy protocols You can configure a Brocade Layer 3 Switch to back up an IP interface configured on another Brocade Layer 3 Switch.

  • Page 29: Basic Ip Parameters And Defaults - Layer 3 Switches

    Internet Group Membership Protocol (IGMP) Protocol Independent Multicast Dense (PIM-DM) Protocol Independent Multicast Sparse (PIM-SM) NOTE For more information, see the Brocade ICX 6650 IP Mulitcast Configuration Guide. • Router redundancy protocols: Virtual Router Redundancy Protocol Extended (VRRP-E) – refer to Chapter 9, “VRRP and...
  • Page 30 An IP mechanism a router can use to answer an ARP Disabled page 38 request on behalf of a host, by replying with the router own MAC address instead of the host. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 31 Table 3 on page 15. Reverse ARP An IP mechanism a host can use to request an IP Enabled page 61 (RARP) address from a directly attached router when the host boots. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 32 The router uses the default network route if the IP None configured page 54 route route table does not contain a route to the destination and also does not contain an explicit default route (0.0.0.0 0.0.0.0 or 0.0.0.0/0). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 33: Ip Interface Parameters - Layer 3 Switches

    Locally overrides the global setting. Refer to Disabled page 41 forwarding Table 2 on page 12. ICMP Router Locally overrides the global IRDP settings. Refer to Disabled page 60 Discovery Protocol Table 2 on page 12. (IRDP) Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 34 Some devices have a factory default, used for troubleshooting during installation. For Layer 3 Switches, the address is on module 1 port 1 (or 1/1/1). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 35: Basic Ip Parameters And Defaults - Layer 2 Switches

    NOTE Brocade Layer 2 Switches also provide IP multicast forwarding, which is enabled by default. For more information about this feature, refer to the Brocade ICX 6650 IP Multicast Configuration Guide. IP global parameters – Layer 2 Switches Table 4 lists the IP global parameters for Layer 2 Switches.
  • Page 36 (leased) or Auto-Configura infinite period of time. tion Some devices have a factory default, used for troubleshooting during installation. For Layer 3 Switches, the address is on port 1 (or 1/1/1). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 37: Interface Ip Parameters - Layer 2 Switches

    You can increase this amount to up to 128 IP subnet addresses per port by increasing the size of the ip-subnet-port table. Refer to the section “Displaying system parameter default values” in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide.
  • Page 38 Use the secondary parameter if you have already configured an IP address within the same subnet on the interface. NOTE When you configure more than one address in the same subnet, all but the first address are secondary addresses and do not form OSPF adjacencies. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 39 To add a virtual interface to a VLAN and configure an IP address on the interface, enter commands such as the following. The Brocade feature that allows routing between VLANs within the same device, without the need for external routers, is called Integrated Switch Routing (ISR). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 40 “Allocating memory for more VLANs or virtual routing interfaces” in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide. The last two commands change to the interface configuration level for the virtual interface and assign an IP address to the interface.

  • Page 41: Configuring 31-Bit Subnet Masks On Point-To-Point Networks

    You can configure an IPv4 address with a 31-bit subnet mask on any interface (for example, Ethernet, loopback, VE, or tunnel interfaces). Brocade(config)# interface ethernet 1/1/5 Brocade(config-if-e10000-1/1/5)# ip address 10.10.9.9 255.255.255.254 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 42: Configuration Example

    RouterA(config-if-e10000-1/1/1)# ip address 10.1.1.0/31 Router B RouterB(config)# interface ethernet 1/1/1 RouterB(config-if-e10000-1/1/1)# ip address 10.1.1.1/31 RouterB(config-if-e10000-1/1/1)# exit RouterB(config# interface ethernet 1/3/1 RouterB(config-if-e10000-1/3/1)# ip address 10.2.2.1/24 Router C RouterC(config# interface ethernet 1/3/1 RouterC(config-if-e10000-1/3/1)# ip address 10.2.2.2/24 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 43: Configuring Dns Resolver

    DNS server. If a match is found, a response is sent back to the client with the host IP address. If no match is found, an “unknown host” message is returned. (Refer to Figure Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 44 In this example, the first IP address entered becomes the primary DNS address and all others are secondary addresses. Because IP address 192.168.20.15 is the last address listed, it is also the last address consulted to resolve a query. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 45 93 msec 121 msec NOTE In the previousexample, 192.168.22.199 is the IP address of the domain name server (default DNS gateway address), and 192.168.22.80 represents the IP address of the NYC02 host. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 46: Configuring Packet Parameters

    The Maximum Transmission Unit (MTU) is the maximum length of IP packet that a Layer 2 packet can contain. IP packets that are longer than the MTU are fragmented and sent in multiple Layer 2 packets. You can change the MTU globally or on individual ports. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 47 You can increase the MTU size to accommodate jumbo packet sizes up to 10,240 bytes. To globally enable jumbo support on all ports of a Brocade ICX 6650 device, enter commands such as the following. Brocade ICX 6650 Layer 3 Routing Configuration Guide...
  • Page 48 Path MTU discovery (RFC 1191) support Brocade ICX 6650 devices support the path MTU discovery method described in RFC 1191. When the Brocade device receives an IP packet that has its Do not Fragment (DF) bit set, and the packet...

  • Page 49: Changing The Router Id

    When the Layer 3 Switch originates a packet of one of the following types, the source address of the packet is the lowest-numbered IP address on the interface that sends the packet: • Telnet Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 50 Brocade(config)# ip telnet source-interface ethernet 1/1/4 Syntax: [no] ip telnet source-interface ethernet stack-unit/slotnum/portnum | loopback num | ve num | management num The num variable is a loopback interface, virtual interface or management interface number. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 51 The num variable is a loopback interface, virtual interface or management interface number. The default is the lowest-numbered IP address configured on the port through which the packet is sent. The address therefore changes, by default, depending on the port. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 52 To specify the numerically lowest IP address configured on a loopback interface as the device source for all SSH packets, enter commands such as a the following. Brocade(config)# interface loopback 2 Brocade(config-lbif-2)# ip address 10.0.0.2/24 Brocade(config-lbif-2)# exit Brocade(config)# ip ssh source-interface loopback 2 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 53: Arp Parameter Configuration

    The Layer 3 Switch needs to know the MAC address that corresponds with the IP address of either the packet locally attached destination or the next-hop router that leads to the destination. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 54 ARP packets to the CPU for processing, if a device in a busy network receives a high number of ARP packets in a short period of time, some CPU processing might be deferred while the CPU processes the ARP packets. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 55 The num parameter specifies the number of minutes and can be from 0 through 240. The default is the globally configured value, which is 10 minutes by default. If you specify 0, aging is disabled. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 56 Brocade(config-if-e10000-1/1/5)# ip proxy-arp enable To again disable IP proxy ARP on an interface, enter the following command. Brocade(config)# interface ethernet 1/1/5 Brocade(config-if-e10000-1/1/5)# ip proxy-arp disable Syntax: [no] ip proxy-arp enable | disable Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 57 “Displaying the static ARP table” on page 120. To create a static ARP entry, enter a command such as the following. Brocade(config)# arp 1 192.168.4.2 0000.0094.2348 ethernet 1/1/2 Syntax: arp num ip-addr mac-addr ethernet port Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 58: Configuring Forwarding Parameters

    Refer to the section “Displaying system parameter default values” in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide. To increase the maximum number of static ARP table entries you can configure on a Brocade Layer 3 Switch, enter commands such as the following at the global CONFIG level of the CLI.
  • Page 59 IP addresses of the router interfaces through which the packet must pass on its way to the destination. The Layer 3 Switch supports both types of IP source routing: Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 60 To enable the Layer 3 Switch for zero-based IP subnet broadcasts in addition to ones-based IP subnet broadcasts, enter the following command. Brocade(config)# ip broadcast-zero Brocade(config)# write memory Brocade(config)# end Brocade# reload Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 61: Disabling Icmp Messages

    Protocol – The TCP or UDP protocol on the destination host is not running. This message is different from the Port Unreachable message, which indicates that the protocol is running on the host but the requested protocol port is unavailable. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 62: Disabling Icmp Redirect Messages

    You can disable ICMP redirect messages on a global basis or on an individual port basis. NOTE The device forwards misdirected traffic to the appropriate router, even if you disable the redirect messages. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 63: Static Routes Configuration

    Null – the static route consists of the destination network address and network mask, and the “null0” parameter. Typically, the null route is configured as a backup route for discarding traffic if the primary route is unavailable. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 64 “Configuring load balancing and redundancy using multiple static routes to the same destination” on page 49 • “Configuring standard static IP routes and interface or null static routes to the same destination” on page 50 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 65 Layer 3 Switch always forwards traffic for the 192.168.2.69/24 network to port 1/1/4. The command in the following example configures an IP static route that uses virtual interface 3 as its next hop. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 66 207 for a list of the default administrative distances for all types of routes. NOTE You can also assign the default router as the destination by entering 0.0.0.0 0.0.0.0 xxx.xxx.xxx.xxx. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 67 Layer 3 Switch alternates between the two routes. For information about IP load balancing, refer to “Configuring IP load sharing” on page 55. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 68 Generally, when you configure a static route to a destination network, you assign the route a low metric so that the Layer 3 Switch prefers the static route over other routes to the destination. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 69 In this example, the Layer 3 Switch always uses the standard static route for traffic to destination network 192.168.7.0/24, unless that route becomes unavailable, in which case the Layer 3 Switch sends traffic to the null route instead. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 70 3 Switch always prefers the interface-based route when the route is available. However, if the interface-based route becomes unavailable, the Layer 3 Switch still forwards the traffic toward the destination using an alternate route through gateway 192.168.8.11/24. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 71 1 to this route, causing the Layer 3 Switch to always prefer this route when it is available. If the route becomes unavailable, the Layer 3 Switch uses an alternate route through the next-hop gateway 192.168.8.11/24. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 72: Configuring A Default Network Route

    Syntax: ip default-network ip-addr The ip-addr parameter specifies the network address. To verify that the route is in the route table, enter the following command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 73: Configuring Ip Load Sharing

    NOTE Brocade devices also perform load sharing among the ports in aggregate links. Refer to the section “Trunk group load sharing” in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide. How multiple equal-cost paths enter the IP route table IP load sharing applies to equal-cost paths in the IP route table.
  • Page 74 When the IP route table contains more than one path with the lowest cost to a destination, the Layer 3 Switch uses IP load sharing to select one of the lowest-cost paths. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 75 The cache contains entries that associate a destination host or network with a path (next-hop router). • If the IP forwarding sharing cache contains a forwarding entry for the destination, the device uses the entry to forward the traffic. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 76: Icmp Router Discovery Protocol Configuration

    If you enable the feature globally, all ports use the default values for the IRDP parameters. • If you leave the feature disabled globally but enable it on individual ports, you also can configure the IRDP parameters on an individual port basis. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 77: Irdp Parameters

    This command enables IRDP on the IP interfaces on all ports. Each port uses the default values for the IRDP parameters. The parameters are not configurable when IRDP is globally enabled. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 78 Router Advertisements from multiple routers, the host selects the router interface that sent the message with the highest interval as the host default gateway. The valid range is 0-4294967296 to 0-4294967295. The default is 0. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 79: Reverse Address Resolution Protocol Configuration

    “BootP and DHCP relay parameter configuration” on page 65. Disabling RARP RARP is enabled by default. To disable RARP, enter the following command at the global CONFIG level. Brocade(config)# no ip rarp Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 80: Configuring Udp Broadcast And Ip Helper Parameters

    1 to the maximum number of RARP entries supported on the device. To determine the maximum number of entries supported on the device, refer to the section “Displaying and modifying system parameter default settings” in the Brocade ICX 6650 Platform and Layer 2 Switching Configuration Guide.
  • Page 81 Switch does not forward by default, you can enable forwarding support for the port. To enable forwarding support for a UDP application, use the following method. You also can disable forwarding for an application using this method. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 82 You can configure up to 16 helper addresses on each interface. You can configure a helper address on an Ethernet port or a virtual interface. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 83: Bootp And Dhcp Relay Parameter Configuration

    By default, the Layer 3 Switch uses the lowest-numbered IP address on the interface that receives the request as the Gateway address. You can override the default by specifying the IP address you want the Layer 3 Switch to use. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 84 Switch will place this IP address in the Gateway Address field of BootP/DHCP requests that the Layer 3 Switch receives on port 1/1/1 and forwards to the BootP/DHCP server. Syntax: ip bootp-gateway ip-addr Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 85: Dhcp Server

    Syntax: bootp-relay-max-hops 1 through 15 DHCP Server All Brocade ICX 6650 devices can be configured to function as DHCP Servers. Dynamic Host Configuration Protocol (DHCP) is a computer networking protocol used by devices (DHCP clients) to obtain leased (or permanent) IP addresses. DHCP is an extension of the Bootstrap Protocol (BOOTP).
  • Page 86 DHCP Server options A Brocade ICX 6650 device configured as a DHCP server can support up to 1000 DHCP clients, offering them the following options: •...
  • Page 87 A DHCP server assigns and manages IPv4 addresses from multiple address pools, using dynamic address allocation. The DHCP server also contains the relay agent to forward DHCP broadcast messages to network segments that do not support these types of messages. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 88: Brocade Icx 6650 Layer 3 Routing Configuration Guide

    DHCP Is request assigned for request to request response to address/lease extend, renew, or DHCP offer? parameters release lease Request to Renew or extend extend or the lease renew lease Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 89 Specifies the domain name for the DHCP clients. option domain-name Specifies the Domain Name System (DNS) IP servers that are option available to the DHCP clients. domain-nameservers Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 90 “Configuring the IP address of the DHCP server” on page 75. show ip dhcp-server binding [address] Displays a specific lease entry, or all lease entries. Refer to “Displaying active lease entries” on page 78. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 91 Specifies the maximal duration of the leases in seconds. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 92 - The number of seconds to wait for a response to an ARP-ping packet. NOTE Do not alter the default value unless it is necessary. Increasing the value of this timer may increase the time to get console access after a reboot. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 93 The bootfile command specifies a boot image name to be used by the DHCP client. Brocade(config-dhcp-cabo)# bootfile foxhound In this example, the DHCP client should use the boot image called “foxhound”. Syntax: bootfile name Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 94 Brocade(config-dhcp-cabo)# excluded-address 192.168.3.44 Syntax: excluded-address [address | address-low address-high] • address - Specifies a single address • address-low address-high - Specifies a range of addresses Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 95 Configuring a vendor type and configuration value for a DHCP client The vendor-class command specifies the vendor-type and configuration value for a DHCP client. Brocade(config-dhcp-cabo)# vendor class ascii waikiki Syntax: vendor-class [ascii | ip | hex] value Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 96: Displaying Dhcp Server Information

    Time elapsed since last save: 0d:0h:6m:52s Total number of active leases: Address Pool State: active IP Address Exclusions: 192.168.1.45 IP Address Exclusions: 192.168.1.99 192.168.1.103 Pool Configured Options: bootfile: example.bin dhcp-default-router: 192.168.1.1 dns-server: 192.168.1.100 domain-name: example.com Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 97 The following information is displayed. Brocade# show ip dhcp-server flash Address Pool Binding: IP Address Client-ID/ Lease expiration Type Hardware address 192.168.1.2 0000.005d.a440 0d:0h:18m:59s Automatic 192.168.1.3 0000.00e1.26c0 0d:0h:19m:8s Automatic Syntax: show ip dhcp-server flash Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 98: Dhcp Client-Based Auto-Configuration And Flash

    Layer 3 device) to automatically obtain and configure an IP address, as follows: • One lease is granted for each Layer 2 device. if the device is configured with a static IP address, the DHCP Auto-Configuration feature is automatically disabled. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 99 For Layer 3 devices, this feature is available for the default VLAN only. For Layer 2 devices, this feature is available for default VLANs and management VLANs. This feature is not supported on virtual interfaces (VEs), trunked ports, or LACP ports. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 100 86 and “Disabling or re-enabling Auto-Update” on page 86, respectively. The steps of the Auto-Configuration and Auto-update process are described in Figure 9, and in the description that follows the flowchart. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 101 If the server responds, it leases an IP address to the device for the specified lease period. • If the server does not respond (after four tries) the DHCP Client process is ended. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 102 “The TFTP configuration download and update step”. The TFTP configuration download and update step NOTE This process only occurs when the client device reboots, or when Auto-Configuration has been disabled and then re-enabled. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 103 When using DHCP on a router, if you have a DHCP address for one interface, and you want to connect to the DHCP server from another interface, you must disable DHCP on the first interface, then enable DHCP on the second interface. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 104 The following example shows output from the show ip address command for a Layer 2 device. Brocade(config)# show ip address IP Address Type Lease Time Interface 10.44.16.116 Dynamic 1/1/1 The following example shows output from the show ip address command for a Layer 3 device. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 105 10.44.3.233 255.255.255.0 dynamic ip dhcp-client lease 691109 interface ethernet 1/1/5 ip address 10.0.0.1 255.0.0.0 ip helper-address 1 10.44.3.111 DHCP Log messages The following DHCP notification messages are sent to the log file. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 106: Configuring Ip Parameters - Layer 2 Switches

    Brocade(config)# ip address 192.168.6.110 255.255.255.0 Syntax: ip address ip-addr ip-mask Syntax: ip address ip-addr/mask-bits You also can enter the IP address and mask in CIDR format, as follows. Brocade(config)# ip address 192.168.6.1/24 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 107: Configuring Domain Name Server Resolver

    VLAN that identifies the VLAN to which the global IP address belongs. Refer to the section “Designated VLAN for Telnet management sessions to a Layer 2 Switch” in the Brocade ICX 6650 Security Configuration Guide. Configuring Domain Name Server resolver The Domain Name Server (DNS) resolver feature lets you use a host name to perform Telnet, ping, and traceroute commands.

  • Page 108: Changing The Ttl Threshold

    TTL of 1 and reduces the TTL to zero, the router drops the packet. The default TTL is 64. You can change the TTL to a value from 1 through 255. To modify the TTL threshold to 25, enter the following commands. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 109: Dhcp Assist Configuration

    By allowing multiple subnet DHCP requests to be sent on the same wire, you can reduce the number of router ports required to support secondary addressing as well as reduce the number of DHCP servers required, by allowing a server to manage multiple subnet address assignments. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 110 Brocade Layer 2 Switch with the DHCP Assist feature enabled, the gateway address configured on the receiving interface is inserted into the packet. This address insertion is also referred to as stamping. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 111 IGMP, are sent to the CPU for analysis. When DHCP Assist is not enabled, Layer 2 broadcast packets are forwarded in hardware. NOTE The DHCP relay function of the connecting router must be turned on. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 112 When multiple IP addresses are configured for a gateway list, the Layer 2 Switch inserts the addresses into the discovery packet in a round robin fashion. Up to 32 gateway lists can be defined for each Layer 2 Switch. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 113: Ipv4 Point-To-Point Gre Tunnels

    Brocade IPv6-capable devices allow the tunneling of packets of the following protocols over an IPv4 network using GRE: • OSPF V2 • BGP4 • RIP V1 and V2 GRE packet structure and header format Figure 14 shows the structure of a GRE encapsulated packet. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 114: Path Mtu Discovery (Pmtud) Support

    "fragmentation needed and DF set". The ICMP Destination Unreachable message includes the MTU of the outbound interface. The source host can use this information to help determine the minimum MTU of a path to a destination. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 115: Configuration Considerations For Pmtud Support

    GRE PIM tunnel interfaces to accept the (s,g) GRE tunnel traffic. NOTE For the Brocade ICX 6650 devicesloopback ports are required for de-encapsulating the GRE tunneled packet. On these hardware devices, when the GRE-encapsulated multicast packet is received, the unicast GRE mechanism takes care of de-encapsulating the packet. The packet then egresses and re-ingresses the tunnel interface loopback port as the native multicast packet.

  • Page 116: Gre Support With Other Features

    GRE tunnel, the tunnel interface must have a dedicated loopback port. GRE support with other features This section describes how GRE tunnels may affect other features on Brocade ICX 6650 devices. Support for ECMP for routes through a GRE tunnel Equal-Cost Multi-Path (ECMP) load sharing allows for load distribution of traffic among available routes.
  • Page 117 CPU for fragmentation, or the packet will be dropped if the DF (Do-Not-Fragment) bit is set in the original IP packet, and an ICMP message is sent. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 118: Configuration Tasks For Gre Tunnels

    • Naming the tunnel interface (CLI command port-name) – for configuration details, refer to the section “Assigning a port name” in the Brocade ICX 6650 Administration Guide. • Changing the Maximum Transmission Unit (MTU) (CLI command ip mtu) – for configuration details, refer to “Changing the MTU on an individual port”...

  • Page 119: Creating A Tunnel Interface

    You can also use the port-name command to name the tunnel. To do so, follow the configuration instructions in the “Assigning a port name” section in the Brocade ICX 6650 Administration Guide. Configuring the source address or source interface for a tunnel interface To configure the source for a tunnel interface, specify either a source address or a source interface.
  • Page 120 Brocade(config-tnif-1)# tunnel mode gre ip Syntax: [no] tunnel mode gre ip • gre specifies that the tunnel will use GRE encapsulation (IP protocol 47). • ip specifies that the tunneling protocol is IPv4. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 121 110. Applying an ACL or PBR to a tunnel interface To apply an ACL or PBR policy to a tunnel interface on a Brocade ICX 6650 device , enter commands such as the following: Applying a PBR policy to a tunnel interface...
  • Page 122 MTU setting. This configuration is only allowed on the system if the tunnel mode is set to GRE. Changing the maximum number of tunnels supported By default, Brocade ICX 6650 IPv6 devices support up to 32 GRE tunnels. You can configure the device to support 16–64 GRE tunnels. To change the maximum number of tunnels supported, enter commands such as the following.
  • Page 123 10 minutes. If desired, you can change the reset time (default age timer) to a value of up to 30 minutes. To do so, enter a command such as the following on the GRE tunnel interface. Brocade(config-tnif-1)# tunnel path-mtu-discovery age-timer 20 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 124 To enable PIM-DM on a GRE tunnel interface, enter commands such as the following: Brocade(config)# interface tunnel 10 Brocade(config-tnif-10)# ip pim Syntax: [no] ip pim Use the no form of the command to disable PIM-DM on the tunnel interface. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 125: Point-To-Point Gre Tunnel Configuration Example

    Configuring point-to-point GRE tunnel for device B Brocade(config)# interface ethernet 1/1/5 Brocade(config-if-e10000-1/1/5)# ip address 192.168.5.2/24 Brocade(config)# exit Brocade(config)# interface tunnel 1 Brocade(config-tnif-1)# tunnel source 192.168.5.2 Brocade(config-tnif-1)# tunnel destination 192.168.8.108 Brocade(config-tnif-1)# tunnel mode gre ip Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 126: Displaying Gre Tunneling Information

    IP tunnel interface as shown in the following example. Brocade# show ip interface tunnel 1 Interface Tunnel 1 port state: UP ip address: 192.168.21.2 subnet mask: 255.255.255.0 encapsulation: GRE, mtu: 1476, metric: 1 directed-broadcast-forwarding: disabled proxy-arp: disabled Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 127 Indicates whether or not PMTUD is enabled. If PMTUD is enabled, the MTU value is also displayed. The show ip tunnel traffic command displays the link status of the tunnel and the number of keepalive packets received and sent on the tunnel. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 128 For example, show interface tn 1. In some cases, the Ethernet port that the tunnel is using will be displayed in the format tn num:e port. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 129 1/1/2, egresses and re-ingresses as native multicast traffic on the loopback port e 1/1/4, and is then forwarded to the outbound interface e 1/1/1. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 130: Clearing Gre Statistics

    ID number. To clear GRE tunnel statistics for tunnel ID 3, enter a command such as the following. Brocade(config)# clear statistics tunnel 3 Syntax: clear statistics tunnel [tunnel-ID] The tunnel-ID variable specifies the tunnel ID number. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 131: Displaying Ip Configuration Information And Statistics

    • • OSPF • BGP4 • • VRRP or VRRP-E Displaying global IP configuration information To display IP configuration information, enter the following command at any CLI level. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 132 The IP address of the router interface to which the Brocade router sends packets for the route. Metric The cost of the route. Usually, the metric represents the number of hops to the destination. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 133: Displaying Cpu Utilization Statistics

    CPU forwarded Layer 2 traffic. To display CPU utilization statistics for the previous one-second, one-minute, five-minute, and fifteen-minute intervals, enter the following command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 134 Brocade# show process cpu 2 Statistics for last 1 sec and 80 ms Process Name Sec(%) Time(ms) 0.00 0.01 0.00 DOT1X 0.00 GVRP 0.00 ICMP 0.00 0.00 L2VLAN 0.01 OSPF 0.00 0.00 0.00 VRRP 0.00 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 135 Whether the interface can provide two-way communication. If the IP address is configured, and the link status of the interface is up, the entry in the protocol field will be “up”. Otherwise the entry in the protocol field will be “down”. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 136: Displaying Arp Entries

    The ip-addr and ip-mask parameters let you restrict the display to entries for a specific IP address and network mask. Specify the IP address masks in standard decimal mask format (for example, 255.255.0.0). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 137 Status The status of the entry, which can be one of the following: • Valid – This a valid ARP entry. • Pend – The ARP entry is not yet resolved. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 138 IP address, whereas the mask parameter provides a filter for displaying multiple MAC addresses that have specific values in common. The num parameter lets you display the table beginning with a specific entry number. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 139 DIRECT. The MAC address of the destination. NOTE: If the entry is type U (indicating that the destination is this Brocade device), the address consists of zeroes. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 140 The num option display the route table entry whose row number corresponds to the number you specify. For example, if you want to display the tenth row in the table, enter “10”. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 141 10.159.0.0 – 10.159.255.255 are listed. The summary option displays a summary of the information in the IP route table. The following is an example of the output from this command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 142 Clearing IP routes If needed, you can clear the entire route table or specific individual routes. To clear all routes from the IP route table, enter the following command. Brocade# clear ip route Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 143 0 unrecognized, 0 bad version, 0 bad addr family, 0 bad req format 0 bad metrics, 0 bad resp format, 0 resp not from rip port 0 resp from loopback, 0 packets rejected Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 144 The number of ICMP Router Discovery Protocol (IRDP) Advertisement messages sent or received advertisement by the device. irdp solicitation The number of IRDP Solicitation messages sent or received by the device. UDP statistics Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 145 This information is used by Brocade customer support. bad resp The number of responses to RIP request packets dropped because the format was bad. format resp not from This information is used by Brocade customer support. rip port Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 146: Displaying Ip Information - Layer 2 Switches

    TFTP access. Image filename The name of the Layer 2 Switch flash image (system software file) that was uploaded or downloaded during the most recent TFTP access. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 147 Switch does not yet know which port the device for this entry is attached to. Displaying IP traffic statistics To display IP traffic statistics on a Layer 2 Switch, enter the show ip traffic command at any CLI level. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 148 The ICMP statistics are derived from RFC 792, “Internet Control Message Protocol”, RFC 950, “Internet Standard Subnetting Procedure”, and RFC 1256, “ICMP Router Discovery Messages”. Statistics are organized into Sent and Received. The field descriptions below apply to each. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 149 The number of TCP connections this device reset because the device at the other end of the connection sent a TCP RESET message. input errors This information is used by Brocade customer support. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 150 The number of segments that this device retransmitted because the retransmission timer for the segment had expired before the device at the other end of the connection had acknowledged receipt of the segment. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 151: Base Layer 3 And Routing Protocols

    Chapter Base Layer 3 and Routing Protocols Table 26 lists the base Layer 3 features Brocade ICX 6650 devices support. These features are supported in full Layer 3 software images, except where explicitly noted. TABLE 26 Supported base Layer 3 features...

  • Page 152: Adding A Static Arp Entry

    Changing the system parameters reconfigures the device memory. Whenever you reconfigure the memory on a Brocade device, you must save the change to the startup-config file, and then reload the software to place the change into effect. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 153: Displaying Layer 3 System Parameter Limits

    To display the Layer 3 system parameter defaults, maximum values, and current values, enter the show default value command at any level of the CLI. The following example shows the output on a Brocade ICX 6650 device. Brocade#show default value...

  • Page 154: Configuring Rip

    NOTE The default redistribution action is permit, even after you configure and apply a permit or deny filter. To deny redistribution of specific routes, you must configure a deny filter. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 155: Configuring A Redistribution Filter

    The set-metric parameter does not apply to static routes. The following command denies redistribution of a 192.168.x.x IP static route only if the route metric is 5. Brocade(config-rip-router)#deny redistribute 2 static address 192.168.0.0 255.255.0.0 match-metric 5 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 156: Enabling Redistribution

    These methods are in addition to the RIP maximum valid route cost of 15. To enable split horizon, enter commands such as the following. Brocade(config)#interface ethernet 1/1/1 Brocade(config-if-e10000-1/1/1)#no ip rip poison-reverse Syntax: [no] ip rip poison-reverse Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 157: Other Layer 3 Protocols

    NOTE Consult your reseller or Brocade to understand the risks involved before disabling all Layer 2 switching operations. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 158: Configuration Notes And Feature Limitations For Layer 2 Switching

    To disable Layer 2 switching only on a specific interface, go to the interface configuration level for that interface, and then disable the feature. The following commands show how to disable Layer 2 switching on port 2. Brocade(config)#interface ethernet 1/1/2 Brocade(config-if-e10000-1/1/2)#route-only Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 159: Chapter 3 Rip (Ipv4)

    Chapter RIP (IPv4) Table 27 lists the the Routing Information Protocol (RIP) for IPv4 features Brocade ICX 6650 devices support. These features are supported in the full Layer 3 software image. TABLE 27 Supported RIP features Feature Brocade ICX 6650...

  • Page 160: Rip Parameters And Defaults

    This parameter applies to routes that are redistributed from other protocols into RIP. Update interval How often the router sends route updates to its RIP neighbors. 30 seconds page 149 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 161: Rip Interface Parameters

    You can control the routes that a Layer 3 Switch The Layer 3 Switch learns page 151 learning specific learns or advertises. and advertises all RIP routes routes on all interfaces. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 162: Rip Parameter Configuration

    By default, a Brocade Layer 3 Switch port increases the cost of a RIP route that is learned on the port. The Layer 3 Switch increases the cost by adding one to the route metric before storing the route. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 163 Specify port variable in the format stack-unit/slotnum/portnum. In the following example, the Layer 3 Switch uses ACL 21 to add 10 to the metric of routes received on Ethernet port 1/1/2. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 164: Changing The Administrative Distance

    Thus, if filter 1 denies redistribution of a given route, the software does not redistribute the route, regardless of whether a filter with a higher ID would permit redistribution of that route. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 165 The following commands deny redistribution of all routes except routes for 10.10.10.x and 10.20.20.x. Brocade(config-rip-router)#deny redistribute 64 static address 255.255.255.255 255.255.255.255 Brocade(config-rip-router)#permit redistribute 1 static address 10.10.10.0 255.255.255.0 Brocade(config-rip-router)#permit redistribute 2 static address 10.20.20.0 255.255.255.0 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 166: Route Learning And Advertising Parameters

    Route learning and advertising parameters By default, a Brocade Layer 3 Switch learns routes from all its RIP neighbors and advertises RIP routes to those neighbors. You can configure the following learning and advertising parameters: Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 167 This command configures the Layer 3 Switch so that the device does not learn any RIP routes from any RIP neighbors. Syntax: [no] neighbor filter-num permit | deny source-ip-address | any Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 168: Denying Route Advertisements For Connected Routes

    Disabling poison reverse To disable poison reverse and enable split horizon on an interface, enter commands such as the following. Brocade(config)#interface ethernet 1/1/1 Brocade(config-if-e10000-1/1/1)#no ip rip poison-reverse Syntax: [no] ip rip poison-reverse Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 169: Suppressing Rip Route Advertisement On A Vrrp Or Vrrp-E Backup Interface

    These commands explicitly permit RIP routes to three networks, and deny the route to one network. Because the default action is permit, all other routes (routes not explicitly permitted or denied by the filters) can be learned or advertised. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 170 Brocade(config-if-e10000-1/1/2)#ip rip filter-group in 2 3 4 These commands apply RIP route filters 2, 3, and 4 to all routes learned from the RIP neighbor on port 1/1/2. Syntax: [no] ip rip filter-group in | out filter-list Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 171: Displaying Rip Filters

    RIP routes to the specified neighbor on that interface. If the filter is applied to an interface inbound filter group, the filter allows the router to receive RIP updates from the specified neighbor. Neighbor IP The IP address of the RIP neighbor. Address Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 172: Displaying Cpu Utilization Statistics

    To display utilization statistics for a specific number of seconds, enter a command such as the following. Brocade#show process cpu 2 Statistics for last 1 sec and 80 ms Process Name Sec(%) Time(ms) 0.00 0.00 GVRP 0.00 ICMP 0.01 0.00 OSPF 0.00 0.00 0.01 VRRP 0.00 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 173 If you do not use this parameter, the command lists the usage statistics for the previous five-second, one-minute, five-minute, and fifteen-minute intervals. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 174 Displaying CPU utilization statistics Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 175: Rip (Ipv6)

    Chapter RIP (IPv6) Table 31 lists the Routing Information Protocol (RIP) for IPv6 features Brocade ICX 6650 devices support. These features are supported with premium IPv6 devices running the full Layer 3 software image TABLE 31 Supported RIPng features Feature...

  • Page 176: Summary Of Configuration Tasks

    1/1/3, enter the following commands. Brocade(config)# interface ethernet 1/1/3 Brocade(config-if-e10000-1/1/3)# ipv6 rip enable Syntax: [no] ipv6 rip enable To disable RIPng on an individual router interface, use the no form of this command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 177: Ripng Timers

    You must enter a value for each timer, even if you want to retain the current setting of a particular timer. To return to the default values of the RIPng timers, use the no form of this command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 178: Route Learning And Advertising Parameters

    2001:DB8:0:adff:8935:e838:78:e0ff with a prefix length of 64 bits from Ethernet interface 1/1/4, enter the following commands. Brocade(config)# interface ethernet 1/1/4 Brocade(config-if-e10000-1/1/4)# ipv6 address 2001:db8:0:adff:8935:e838:78: e0ff /64 Brocade(config-if-e10000-1/1/4)# ipv6 rip summary-address 2001:db8::/36 Syntax: [no] ipv6 rip summary-address ipv6-prefix/prefix-length Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 179: Changing The Metric Of Routes Learned And Advertised On An Interface

    If you do not explicitly configure a metric, the default metric value of 1 is used. For example, to redistribute OSPF V3 routes into RIPng, enter the following commands. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 180: Controlling Distribution Of Routes Through Ripng

    If poison reverse is enabled on the RIPng router, it takes precedence over split horizon (if it is also enabled). To enable poison reverse on the RIPng router, enter the following commands. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 181: Clearing Ripng Routes From The Ipv6 Route Table

    To clear all RIPng routes from the RIPng route table and the IPv6 main route table and reset the routes, enter the following command at the Privileged EXEC level or any of the CONFIG levels of the CLI. Brocade# clear ipv6 rip route Syntax: clear ipv6 rip route Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 182: Displaying The Ripng Configuration

    • STATIC – IPv6 static routes are redistributed into RIPng. • CONNECTED – Directly connected IPv6 networks are redistributed into RIPng. • OSPF – OSPF V3 routes are redistributed into RIPng. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 183: Displaying Ripng Routing Table

    The cost of the route. The number parameter indicates the number of hops to the destination. Tag number The tag value of the route. Timers: Indicates if the hold-down timer or the garbage-collection timer is set. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 184 Displaying RIPng routing table Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 185: Ospf Version 2 (Ipv4)

    Chapter OSPF version 2 (IPv4) Table 35 lists the Open Shortest Path First (OSPF) Version 2 (IPv4) features Brocade ICX 6650 devices support. These features are supported in the full Layer 3 software image only. TABLE 35 Supported OSPF V2 features...

  • Page 186: Ospf Overview

    Each topological database contains all of the LSA databases for each router within a given area. The routers within the same area have identical topological databases. The ABR is responsible for forwarding routing information or changes between its border areas. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 187: Ospf Point-To-Point Links

    Designated Router (DR) and a Backup Designated Router (BDR). The Designated Router ensures that there is a central point of contact, thereby improving convergence time within a multi-access segment. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 188: Designated Routers In Multi-Access Networks

    Router C Router B If the DR goes off-line, the BDR automatically becomes the DR. The router with the next highest priority becomes the new BDR. This process is shown in Figure Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 189: Ospf Rfc 1583 And 2178 Compliance

    Brocade routers are configured, by default, to be compliant with the RFC 1583 OSPF V2 specification. Brocade routers can also be configured to operate with the latest OSPF standard, RFC 2178. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 190: Reduction Of Equivalent As External Lsas

    OSPF AS, which contains Routers A, B, and C, and another routing domain, which contains Router F. The other routing domain is running another routing protocol, such as BGP4 or RIP. Routers D, E, and F, therefore, are each running both OSPF and either BGP4 or RIP. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 191 20, since Router D has a higher router ID than Router E, Router D floods the AS External LSAs for Router F to Routers A, B, and C. Router E flushes the equivalent AS External LSAs from its database. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 192: Support For Ospf Rfc 2328 Appendix E

    255.0.0.0, this LSA conflicts with the LSA generated for network 10.0.0.0 255.255.0.0 or 10.0.0.0 255.255.255.0. The result is multiple LSAs that have the same ID but that contain different route information. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 193: Dynamic Ospf Activation And Configuration

    Changes to global values for redistribution • Addition of new virtual links You also can change the amount of memory allocated to various types of LSA entries. However, these changes require a system reset or reboot. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 194: Dynamic Ospf Memory

    FastIron Layer 3 switches. NOTE If a Brocade ICX 6650 device is configured for OSPF graceful restart and is intended to be used in switchover, the OSPF dead-interval should be changed to 60 seconds on OSPF interfaces to ensure that the graceful restart process succeeds without a timeout.

  • Page 195: Configuring Ospf

    OSPF is automatically enabled without a system reset. OSPF configuration rules • Brocade ICX 6650 devices support a maximum of 676 OSPF interfaces. • If a router is to operate as an ASBR, you must enable the ASBR capability at the system level.

  • Page 196: Enabling Ospf On The Router

    Refer to “Resetting OSPF” on page 179. When you enter the no router ospf command, the CLI displays a warning message such as the following. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 197: Assigning Ospf Areas

    OSPF routers in a stub area must use a default route to the area Area Border Router (ABR) or Autonomous System Boundary Router (ASBR) to send traffic out of the area. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 198 When you enter a command to disable the summary LSAs, the change takes effect immediately. If you apply the option to a previously configured area, the Layer 3 Switch flushes all of the summary LSAs it has generated (as an ABR) from the area. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 199 NSSA's ABR exports into other areas. The Brocade implementation of NSSA is based on RFC 1587. Figure 21 shows an example of an OSPF network containing an NSSA. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 200 1 through 16777215. There is no default. Normal areas do not use the cost parameter. Alternatively, the default-information-originate parameter causes the Layer 3 Switch to inject the default route into the NSSA. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 201: Assigning An Area Range (Optional)

    The range ip-addr parameter specifies the IP address portion of the range. The software compares the address with the significant bits in the mask. All network addresses that match this comparison are summarized in a single route advertised by the router. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 202: Assigning Interfaces To An Area

    Area: Assigns an interface to a specific area. You can assign either an IP address or number to represent an OSPF Area ID. If you assign a number, it can be any value from 0 through 2,147,483,647. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 203 (DR) and backup designated routers (BDRs). The value can be from 0 through 255. The default is 1. If you set the priority to 0, the Layer 3 Switch does not participate in DR and BDR election. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 204: Changing The Timer For Ospf Authentication Changes

    Changing the timer for OSPF authentication changes When you make an OSPF authentication change, the software uses the authentication-change timer to gracefully implement the change. The software implements the change in the following ways: Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 205: Block Flooding Of Outbound Lsas On Specific Ospf Interfaces

    You cannot block LSAs on virtual links. To apply a filter to an OSPF interface to block flooding of outbound LSAs on the interface, enter the following commands at the Interface configuration level for that interface. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 206: Configuring An Ospf Non-Broadcast Interface

    The output of the show ip ospf interface command has been enhanced to display information about non-broadcast interfaces and neighbors that are configured in the same subnet. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 207: Assigning Virtual Links

    “Changing the router ID” on page 31. NOTE When you establish an area virtual link, you must configure it on both of the routers (both ends of the virtual link). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 208 The router-id parameter specifies the router ID of the OSPF router at the remote end of the virtual link. To display the router ID on a Brocade Layer 3 Switch, enter the show ip command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 209: Modifying Virtual Link Parameters

    MD5 key is in operation. The range for the key activation wait time is from 0 through 14400 seconds. The default value is 300 seconds. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 210: Changing The Reference Bandwidth For The Cost On Ospf Interfaces

    OSPF neighbors. For example, if an interface has an OSPF cost of ten, the Layer 3 Switch advertises the interface with a cost of ten to other OSPF routers. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 211 Some interface types are not affected by the reference bandwidth and always have the same cost regardless of the reference bandwidth in use: • The cost of a loopback interface is always 0. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 212: Defining Redistribution Filters

    195, an administrator wants to configure the Layer 3 Switch acting as the ASBR (Autonomous System Boundary Router) between the RIP domain and the OSPF domain to redistribute routes between the two domains. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 213 To configure theLayer 3 Switch acting as an ASBR in Figure 23 to redistribute OSPF, BGP4, and static routes into RIP, enter the following commands. BrocadeASBR(config)#router rip BrocadeASBR(config-rip-router)#permit redistribute 1 all BrocadeASBR(config-rip-router)#write memory Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 214 Do not enable redistribution until you have configured the redistribution filters. If you enable redistribution before you configure the redistribution filters, the filters will not take affect and all routes will be distributed. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 215: Preventing Specific Ospf Routes From Being Installed In The Ip Route Table

    IP route table. The distribution list does not prevent the routes from entering the OSPF database. Syntax: [no] distribute-list ACL-name | ACL-id in [interface type] [interface number] Syntax: [no] ip access-list standard ACL-name | ACL-id Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 216 You can use an extended ACL with an OSPF distribution list to filter OSPF routes based on the network mask of the destination network. To use an extended ACL to configure an OSPF distribution list for denying specific routes, enter commands such as the following. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 217 “10.0.0.0/8”. The CLI automatically converts the CIDR number into the appropriate ACL mask (where zeros instead of ones are the significant bits) and changes the non-significant portion of the IP address into zeros. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 218: Modifying The Default Metric For Redistribution

    To enable redistribution of RIP and static IP routes into OSPF, enter the following commands. Brocade(config)#router ospf Brocade(config-ospf-router)#redistribution rip Brocade(config-ospf-router)#redistribution static Brocade(config-ospf-router)#write memory Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 219 [+ | - ]num | none • set metric-type type-1 | type-2 • set tag tag-value NOTE You must configure the route map before you configure a redistribution filter that uses the route map. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 220: Disabling Or Re-Enabling Load Sharing

    The router software can use the route information it learns through OSPF to determine the paths and costs. Figure 24 shows an example of an OSPF network containing multiple paths to a destination (in this case, R1). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 221 OSPF load sharing is enabled by default when IP load sharing is enabled. To configure IP load sharing parameters, refer to “Configuring IP load sharing” on page 55. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 222: Configuring External Route Summarization

    10.1.1.0 255.255.0.0 -> Advertised summary-address 10.1.2.0 255.255.0.0 -> Advertised summary-address 10.0.0.0 255.0.0.0 -> Advertised Syntax: summary-address ip-addr ip-mask The ip-addr parameter specifies the network address. The ip-mask parameter specifies the network mask. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 223: Configuring Default Route Origination

    To inject the default route into an NSSA, use the area num | ip-addr nssa default-information-originate command. Refer to “Assigning a Not-So-Stubby Area” on page 181. To enable default route origination, enter the default-information-originate command. Brocade(config-ospf-router)#default-information-originate Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 224: Modifying Spf Timers

    The delay parameter specifies the SPF delay. The hold-time parameter specifies the SPF hold time. To set the timers back to their default values, enter a command such as the following. Brocade(config-ospf-router)#no timers spf 10 20 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 225: Modifying The Redistribution Metric Type

    To change the default administrative distances for inter-area routes, intra-area routes, and external routes, enter the following command. Brocade(config-ospf-router)#distance external 100 Brocade(config-ospf-router)#distance inter-area 90 Brocade(config-ospf-router)#distance intra-area 80 Syntax: [no] distance external | inter-area | intra-area distance Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 226: Configuring Ospf Group Link State Advertisement Pacing

    When using the CLI, you can disable all or specific OSPF trap generation by entering the following CLI command. Brocade(config-ospf-router)#no snmp-server trap ospf Syntax: [no] snmp-server trap ospf Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 227: Specifying The Types Of Ospf Syslog Messages To Log

    OSPF messages to be logged, you can configure the Brocade device to log them. For example, to specify that all OSPF-related Syslog messages be logged, enter the following commands. Brocade(config)#router ospf Brocade(config-ospf-router)#log all Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 228: Modifying The Ospf Standard Compliance Setting

    To modify the exit overflow interval to 60 seconds, enter the following command. Brocade(config-ospf-router)#database-overflow-interval 60 Syntax: database-overflow-interval value The value can be from 0 through 86400 seconds. The default is 0 seconds. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 229: Configuring An Ospf Point-To-Point Link

    OSPF graceful restart is enabled by default on a Layer 3 switch. To disable it, use the following commands. Brocade(config)# router ospf Brocade(config-ospf-router)# no graceful-restart To re-enable OSPF graceful restart after it has been disabled, enter the following commands. Brocade(config)# router ospf Brocade(config-ospf-router)# graceful-restart Syntax: [no] graceful-restart Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 230: Clearing Ospf Information

    Clearing OSPF neighbor information To clear information on the Brocade device about all OSPF neighbors, enter the following command. Brocade#clear ip ospf neighbor Syntax: clear ip ospf neighbor [ip ip-addr | id ip-addr] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 231: Clearing Ospf Topology Information

    This command clears all OSPF areas, all OSPF neighbors, and the entire OSPF routing table. After this information has been cleared, adjacencies with all neighbors are re-established, and all OSPF routes are re-learned. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 232: Displaying Ospf Information

    Brocade#show ip ospf config Router OSPF: Enabled Redistribution: Disabled Default OSPF Metric: 10 OSPF Redistribution Metric: Type2 OSPF External LSA Limit: 25000 OSPF Database Overflow Interval: 0 RFC 1583 Compatibility: Enabled Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 233: Displaying Cpu Utilization Statistics

    0.00 0.00 0.00 0.00 ICMP 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 OSPF 0.03 0.06 0.09 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 VRRP 0.00 0.00 0.00 0.00 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 234: Displaying Ospf Area Information

    To display OSPF area information, enter the show ip ospf area command at any CLI level. Brocade#show ip ospf area Indx Area Type Cost SPFR ABR ASBR LSA Chksum(Hex) 0.0.0.0 normal 0000781f 192.168.60.0 normal 0000fee6 192.168.80.0 stub 000181cd Syntax: show ip ospf area [area-id] | [num] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 235: Displaying Ospf Neighbor Information

    Second-to-dead:33 1/2/1-1/2/2 10.2.0.1 FULL/DR 10.2.0.2 192.168.15.15 Second-to-dead:33 Syntax: show ip ospf neighbor [router-id ip-addr] | [num] | [detail] The router-id ip-addr parameter displays only the neighbor entries for the specified router. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 236 If the Pri field is "3", this is the subnet IP address of the neighbor router interface. Neigh ID The neighbor router ID. The number of times the neighbor state changed. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 237: Displaying Ospf Interface Information

    3 = point-to-point link with an assigned subnet Cost The configured output cost for the interface. Options OSPF Options (Bit7 - Bit0): • unused:1 • opaque:1 • summary:1 • dont_propagate:1 • nssa:1 • multicast:1 • externals:1 • tos:1 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 238: Displaying Ospf Route Information

    TABLE 39 CLI Display of OSPF route information Field Definition Index The row number of the entry in the router OSPF route table. Destination The IP address of the route's destination. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 239 10.4.0.0 255.255.0.0 static In this example, four routes have been redistributed. Three of the routes were redistributed from static IP routes and one route was redistributed from a directly connected IP route. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 240: Displaying Ospf External Link State Information

    This OSPF external link state display shows the following information. TABLE 40 CLI display of OSPF external link state information Field Definition Area ID The OSPF area the router is in. Aging The age of the LSA, in seconds. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 241: Displaying Ospf Link State Information

    The router-id ip-addr parameter shows the External LSAs for the specified OSPF router. The sequence-number num(Hex) parameter displays the External LSA entries for the specified hexadecimal LSA sequence number. The status num option shows status information. The summary option shows summary information. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 242: Displaying The Data In An Lsa

    The num parameter displays the table beginning at the specified entry number. Displaying OSPF virtual link information To display OSPF virtual link information, enter the show ip ospf virtual-link command at any CLI level. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 243: Displaying Ospf Abr And Asbr Information

    Virtual Interface Retransmit Packet Trap: Enabled Originate LSA Trap: Enabled Originate MaxAge LSA Trap: Enabled Link State Database Overflow Trap: Enabled Link State Database Approaching Overflow Trap: Enabled Syntax: show ip ospf trap Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 244: Displaying Ospf Graceful Restart Information

    RS – Software restart • UP – Software upgrade or reload • SW – Switch to redundant control processor Nbr Intf IP The IP address of the OSPF graceful restart neighbor. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 245: Ospf Version 3 (Ipv6)

    Chapter OSPF version 3 (IPv6) Table 42 lists the Open Shortest Path First (OSPF) version 3 (IPv6) features Brocade ICX 6650 devices support. These features are supported with premium IPv6 devices running the full Layer 3 software image. TABLE 42...

  • Page 246: Differences Between Ospf V2 And Ospf V3

    Interarea-router LSAs for ASBRs (Type 4) • Autonomous system external LSAs (Type 5) • Link LSAs (Type 8) • Intra-area prefix LSAs (Type 9) For more information about these LSAs, see RFC 2740. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 247: Ospf V3 Configuration

    Moreover, when you save the configuration to the startup-config file after disabling one of these protocols, all the configuration information for the disabled protocol is removed from the startup-config file. The CLI displays a warning message such as the following. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 248: Assigning Ospf V3 Areas

    LSAs from OSPF neighbors and floods them to other areas. The Brocade device can form adjacencies with other routers regardless of whether summarization is enabled or disabled for areas on each router. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 249: Assigning Interfaces To An Area

    • The transit area ID represents the shared area of the two ABRs and serves as the connection point between the two routers. This number should match the area ID value. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 250: Assigning A Virtual Link Source Address

    To specify the global IPv6 address assigned to tunnel interface 1 on ABR2 as the source address for the virtual link on ABR2, enter the following command on ABR2. Brocade(config-ospf6-router)#virtual-link-if-address interface tunnel 1 Syntax: virtual-link-if-address interface ethernet port | loopback number | tunnel number | ve number Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 251 The router-id parameter specifies the router ID of the OSPF router at the remote end of the virtual link. To display the router ID on a router, enter the show ip command. The dead-interval, hello-interval, retransmit-interval, and transmit-delay parameters are discussed earlier in this section. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 252: Changing The Reference Bandwidth For The Cost On Ospf V3 Interfaces

    10 Mbps port cost = 500/10 = 50 • 100 Mbps port cost = 500/100 = 5 • 1000 Mbps port cost = 500/1000 = 0.5, which is rounded up to 1 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 253: Redistributing Routes Into Ospf V3

    For information about the default-metric command, refer to “Modifying default metric for routes redistributed into OSPF V3” on page 237 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 254 [+ | - ] number | none • set metric-type type-1 | type-2 NOTE You must configure the route map before you configure a redistribution filter that uses the route map. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 255 To modify the default value of type 2 to type 1, enter the metric-type command. Brocade(config-ospf6-router)#metric-type type1 Syntax: no] metric-type type1 | type2 To restore the metric type to the default value, use the no form of this command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 256: External Route Summarization

    You must specify the ipv6-prefix parameter in hexadecimal using 16-bit values between colons as documented in RFC 2373. You must specify the prefix-length parameter as a decimal value. A slash mark (/) must follow the ipv6-prefix parameter and precede the prefix-length parameter. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 257: Filtering Ospf V3 Routes

    [ge ge-value] [le le-value] To configure a distribution list that applies the filterOspfRoutes prefix list globally. Brocade(config)#ipv6 router ospf Brocade(config-ospf6-router)#distribute-list prefix-list filterOspfRoutes in Syntax: [no] distribute-list prefix-list name in [interface] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 258 Next Hop Router Outgoing Interface *IA 2001:db8::/64 --------- 0.0.0.1 ve 10 *E2 2001:db8::/64 --------- 0.0.0.0 2001:db8:2e0:52ff:fe00:10 ve 10 *IA 2001:db8::/64 --------- 0.0.0.0 ve 11 *E2 2001:db8::/64 --------- 0.0.0.0 2001:db8:2e0:52ff:fe00:10 ve 10 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 259 In this example the prefix lists, ospf-filter2 and ospf-filter5, contain a range of IPv6 routes and one host route to be denied, and the route map v64 defines the deny action. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 260: Default Route Origination

    The metric value parameter specifies a metric for the default route. If this option is not used, the value of the default-metric command is used for the route. For information about this command, refer to “Modifying default metric for routes redistributed into OSPF V3” on page 237 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 261: Shortest Path First Timers

    Syntax: timers spf delay hold-time For the delay and hold-time parameters, specify a value from 0–65535 seconds. To set the timers back to their default values, enter the no version of this command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 262: Administrative Distance

    The distance parameter specifies the new distance for the specified route type. You can specify a value from 1–255. To reset the administrative distance of a route type to its system default, enter the no form of this command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 263: Configuring The Ospf V3 Lsa Pacing Interval

    The change does not take effect until you reload or reboot the software. For example, to change the maximum number entries from the default of 2000 to 3000, enter the following command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 264: Modifying Ospf V3 Interface Defaults

    Retransmit-interval: The time between retransmissions of LSAs to adjacent routers for an interface. The command syntax is ipv6 ospf retransmit-interval seconds. The value can be from 0–3600 seconds. The default is 5 seconds. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 265: Disabling Or Re-Enabling Event Logging

    With respect to traffic classes, this implementation of IPsec uses a single security association (SA) between the source and destination to support all traffic classes and so does not differentiate between the different classes of traffic that the DSCP bits define. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 266: Ipsec For Ospf V3 Configuration

    HMAC-SHA1-96, but you must nevertheless enter the keyword for this algorithm. Also, ESP currently is the only authentication protocol, but you must still enter the esp keyword. This section describes all keywords. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 267 If the key-rollover-interval is set to 0, the new key immediately takes effect for both directions. For a description of the key-rollover-interval, refer to the “Changing the key rollover timer” on page 254section. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 268: Interface And Area Ipsec Considerations

    “do not care,” and this status is reflected by the lone pair of colons (::) for destination address in the show command output. To configure IPsec on an interface, proceed as in the following example. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 269 1/1/2 enable ip address 10.3.3.1/8 ipv6 address 2001:db8:3::1/64 ipv6 ospf area 1 ipv6 ospf authentication ipsec spi 429496795 esp sha1 encryptb64 $ITJkQG5HWnw4M09tWVd Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 270: Configuring Ipsec For An Area

    To configure IPsec on a virtual link, enter the IPv6 router OSPF context of the CLI and proceed as the following example illustrates. (Note the no-encrypt option in this example.) Brocade(config-ospf6-router)#area 1 vir 10.2.2.2 auth ipsec spi 360 esp sha1 no-encrypt 1234567890098765432112345678990987654321 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 271: Disabling Ipsec On An Interface

    To disable IPsec on an interface, go to the CLI context of the interface and proceed as in the following example. Brocade(config-if-e10000-1/1/2)#ipv6 ospf auth ipsec disable Syntax: [no] ipv6 ospf authentication ipsec disable The no form of this command restores the area and interface-specific IPsec operation. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 272: Displaying Ospf V3 Information

    Displaying OSPF V3 Information You can display the information for the following OSPF V3 parameters: • Areas • Link state databases • Interfaces • Memory usage • Neighbors • Redistributed routes • Routes • Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 273: Displaying Ospf V3 Area Information

    The row number of the entry in the router OSPF area table. Area The area number. Maximum hop count to nodes. The maximum number of hop counts to an SPF node within the area. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 274: Displaying Ospf V3 Database Information

    The network number displays detailed information about the network LSAs only. The router number displays detailed information about the router LSAs only. The scope area-id parameter displays detailed information about the LSAs for a specified area, AS, or link. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 275 The length, in bytes, of the LSA. For example, to display detailed information about all LSAs in the database, enter the show ipv6 ospf database extensive command at any CLI level. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 276 Destination Router ID:10.1.1.188 NOTE Portions of this display are truncated for brevity. The purpose of this display is to show all possible fields that might display rather than to show complete output. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 277 Brocade router ID is the IPv4 address configured on the lowest numbered loopback interface. If the Brocade device does not have a loopback interface, the default router ID is the lowest numbered IPv4 address configured on the device.) Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 278 The set of options bits that the router would like set in the network LSA that will be originated for the link. Link Local Address The originating router link-local interface address on the link. Number of Prefix The number of IPv6 address prefixes contained in the LSA. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 279: Displaying Ospf V3 Interface Information

    If you specify an Ethernet interface, also specify the port number associated with the interface. If you specify a loopback, tunnel, or VE interface, also specify the number associated with the interface. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 280 Adjacent Neighbor Count= 1 Neighbor: 10.1.1.1 (BDR) Statistics of interface ethe 1/1/3: Type rx tx-byte rx-byte Unknown Hello 3149 3138 1259284 1255352 DbDesc LSReq LSUpdate 1508 109508 39036 LSAck 526 1398 19036 54568 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 281 The number of the times the interface sent a delayed LSA acknowledgement. Neighbor Count The number of neighbors to which the interface is connected. Adjacent Neighbor The number of neighbors with which the interface has formed an active adjacency. Count Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 282: Displaying Ospf V3 Memory Usage

    Size Allocated Max-alloc Alloc-Fails MTYPE_OSPF6_TOP MTYPE_OSPF6_LSA_HDR MTYPE_OSPF6_RMAP_COMPILED 0 MTYPE_OSPF6_OTHER MTYPE_THREAD_MASTER MTYPE_OSPF6_AREA MTYPE_OSPF6_AREA_RANGE MTYPE_OSPF6_SUMMARY_ADDRE 0 MTYPE_OSPF6_IF MTYPE_OSPF6_NEIGHBOR MTYPE_OSPF6_ROUTE_NODE MTYPE_OSPF6_ROUTE_INFO MTYPE_OSPF6_PREFIX MTYPE_OSPF6_LSA MTYPE_OSPF6_VERTEX MTYPE_OSPF6_SPFTREE MTYPE_OSPF6_NEXTHOP MTYPE_OSPF6_EXTERNAL_INFO 0 MTYPE_THREAD Syntax: show ipv6 ospf memory Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 283: Displaying Ospf V3 Neighbor Information

    The state between the Brocade device and the neighbor. The state can be one of the following: • Down • Attempt • Init • 2-Way • ExStart • Exchange • Loading • Full The router ID (IPv4 address) of the DR. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 284 Table 49 on page 265. For information about this field, refer to Table 49 on page 265. Interface [State] For information about this field, refer to Table 49 on page 265. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 285: Displaying Routes Redistributed Into Ospf V3

    You can display all IPv6 routes or a specified IPv6 route that the Brocade device has redistributed into OSPF V3. To display all IPv6 routes that the device has redistributed into OSPF V3, enter the show ipv6 ospf redistribute route command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 286: Displaying Ospf V3 Route Information

    You can display the entire OSPF V3 route table for the Brocade device or only the route entries for a specified destination. To display the entire OSPF V3 route table for the device, enter the show ipv6 ospf routes command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 287 If load sharing is enabled, the router equally distributes traffic among table only) the routes. Destination The IPv6 prefixes of destination networks to which the Brocade device can forward IPv6 packets. “*IA” indicates the next router is an intra-area router. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 288: Displaying Ospf V3 Spf Information

    1 nexthops to node: :: ethe 1/1/2 parent nodes: 192.168.223.223 child nodes: 10.1.1.1:0 SPF node 10.1.1.1:0, cost: 1, hops: 2 nexthops to node: 2001:db8:2e0:52ff:fe91:bb37 ethe 1/1/2 parent nodes: 192.168.223.223:88 child nodes: Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 289 The area area-id parameter specifies a particular area. You can specify the area-id in the following formats: • As an IPv4 address, for example, 192.168.1.1. • As a numerical value from 0–2,147,483,647. This display shows the following information. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 290 (root) of the tree and the local router. Consider all other layers of the tree (192.168.223.223:88 and 10.1.1.1:0) to be destinations in the network. Therefore, traffic destined from router 192.168.223.223 to router 10.1.1.1:0 must first traverse router 192.168.223.223:88. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 291: Displaying Ipv6 Ospf Virtual Link Information

    Description Index An index number associated with the virtual neighbor. Router ID IPv4 address of the virtual neighbor. Address The IPv6 address to be used for communication with the virtual neighbor. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 292: Ipsec Examples

    2001:db8:: sha1 Null eth1/1/1 out ESP 2001:db8:1::2 sha1 Null 2001:db8:1::1 sha1 Null eth1/1/2 out ESP sha1 Null eth1/1/2 2001:db8:: sha1 Null eth1/1/2 out ESP 2001:db8:1::2 sha1 Null Syntax: show ipsec sa Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 293: Showing Ipsec Policy

    The direction of traffic flow to which the IPsec policy is applied. Each direction has its own entry. Proto The only possible routing protocol for the security policy in the current release is OSPFv3. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 294: Showing Ipsec Statistics

    IPSecurity Statistics secEspCurrentInboundSAs 1 ipsecEspTotalInboundSAs: secEspCurrentOutboundSA 1 ipsecEspTotalOutboundSAs: 2 IPSecurity Packet Statistics secEspTotalInPkts: ipsecEspTotalInPktsDrop: secEspTotalOutPkts: IPSecurity Error Statistics secAuthenticationErrors 0 secReplayErrors: ipsecPolicyErrors: secOtherReceiveErrors: ipsecSendErrors: secAuthenticationErrors 0 secReplayErrors: ipsecPolicyErrors: secOtherReceiveErrors: ipsecSendErrors: secUnknownSpiErrors: Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 295: Displaying Ipsec Configuration For An Area

    Active phase 1: rollover is in its first interval. Active phase 2: rollover is in its second interval. Current Shows current SPI, authentication algorithm (currently ESP only), encryption algorithm (currently SHA1 only), and the current key. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 296 LSUpdate 193 15616 9720 LSAck 4840 4924 OSPF messages dropped,no authentication: 0 Syntax: show ipv6 ospf interface [ethernet slot/port | pos slot/port | loopback number | tunnel number | ve number] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 297 Key:1234567890123456789012345678901234567890 Statistics: Type tx-byte rx-byte Unknown Hello 2600 2596 DbDesc 2752 2992 LSReq LSUpdate 11 1040 1112 LSAck OSPF messages dropped,no authentication: 0 Neighbor: State: Full Address: 2001:db8:44:44::4 Interface: eth 1/1/2 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 298 Initial configuration command. Brocade(config-if-e10000-1/1/3)#ipv6 ospf auth ipsec spi 300 esp sha1 no-encrypt 12345678900987655431234567890aabbccddef Command line for changing the key. Brocade(config-if-e10000-1/1/3)#ipv6 ospf auth ipsec spi 310 esp sha1 no-encrypt 989898989009876554321234567890aabbccddef Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 299: Bgp (Ipv4)

    Chapter BGP (IPv4) Table 61 lists the Border Gateway Protocol (BGP4) features Brocade ICX 6650 devices support. BGP4 features are supported on Brocade ICX 6650 devices running the full Layer 3 software image. TABLE 61 Supported BGP4 features Feature Brocade ICX 6650...

  • Page 300: Bgp4 Overview

    BGP4. BGP4 neighbors communicate using Transmission Control Protocol (TCP) port 179 for BGP communication. When you configure the Brocade Layer 3 switch for BGP4, one of the configuration tasks you perform is to identify the Layer 3 switch BGP4 neighbors. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 301: How Bgp4 Selects A Path For A Route

    NOTE The device does not use the default route to resolve BGP4 next hop. Also refer to “Enabling next-hop recursion” on page 310. 2. Use the path with the largest weight. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 302 10. If the internal paths also are the same and BGP4 load sharing is enabled, load share among the paths. Otherwise, prefer the route that comes from the BGP4 router with the lowest router Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 303: Bgp4 Message Types

    ID, refer to “Changing the router ID” on page 31. • Parameter list – An optional list of additional parameters used in peer negotiation with BGP4 neighbors. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 304: Update Messages From Bgp4 Routers

    NOTIFICATION message to the neighbor. No further communication takes place between the BGP4 router that sent the NOTIFICATION and the neighbors that received the NOTIFICATION. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 305: Bgp4 Graceful Restart

    IP interface address configured on the device. For more information or to change the router ID, refer to “Changing the router ID” on page 31. If you change the router ID, all current BGP4 sessions are cleared. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 306: Note Regarding Disabling Bgp4

    Required – Identify BGP4 neighbors. • Optional – Change the Keep Alive Time and Hold Time. • Optional – Change the update timer for route changes. • Optional – Enable fast external fallover. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 307: Bgp4 Parameter Changes

    Some parameters do not take effect until the router is rebooted. Parameter changes that take effect immediately • Enable or disable BGP. • Set or change the local AS. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 308 Add, change, or negate filter tables. BGP4 parameter changes after disabling and re-enabling redistribution The following parameter change takes effect only after you disable and then re-enable redistribution: • Change the default MED (metric). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 309: Basic Configuration Tasks Required For Bgp4

    The ip-addr can be any valid, unique IP address. NOTE You can specify an IP address used for an interface on the Brocade Layer 3 switch, but do not specify an IP address in use by another device. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 310: Setting The Local As Number

    BGP4 neighbors (peers), you must indicate the neighbor IP address and the AS each neighbor is in. Neighbors that are in different autonomous systems communicate using EBGP. Neighbors within the same AS communicate using IBGP. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 311 If you specify a neighbor IP address, you are configuring that individual neighbor. If you specify a peer group name, you are configuring a peer group. Refer to “Adding a BGP4 peer group” on page 299. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 312 TTL you are adding for the neighbor. You can specify a number from 0 through 255. The default is 0. If you leave the EBGP TTL value set to 0, the software uses the IP TTL value. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 313 1 – Assumes that the authentication string you enter is the encrypted form, and decrypts the value before using it. For more information, refer to “Encryption of BGP4 MD5 authentication keys” on page 297. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 314 The defaults for these parameters are the currently configured global Keep Alive Time and Hold Time. For more information about these parameters, refer to “Changing the Keep Alive Time and Hold Time” on page 304. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 315 Brocade(config-bgp-router)#local-as 2 Brocade(config-bgp-router)#neighbor xyz peer-group Brocade(config-bgp-router)#neighbor xyz password abc Brocade(config-bgp-router)#neighbor 10.10.200.102 peer-group xyz Brocade(config-bgp-router)#neighbor 10.10.200.102 password test Here is how the commands appear when you display the BGP4 configuration commands. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 316 Displaying the Authentication String If you want to display the authentication string, enter the following commands. Brocade(config)#enable password-display Brocade#show ip bgp neighbors Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 317: Adding A Bgp4 Peer Group

    In this case, the value you set on the individual neighbors applies to those neighbors, while the default value applies to neighbors for which you have not explicitly set the value. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 318 If you do not specify a parameter for an individual neighbor, the neighbor uses the value in the peer group. • If you set the parameter for the individual neighbor, that value overrides the value you set in the peer group. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 319: Configuring A Peer Group

    [filter-list in | out num,num,... | ACL-num in | out | weight] [maximum-prefix num [threshold] [teardown]] [next-hop-self] [password [0 | 1] string] [prefix-list string in | out] [remote-as as-number] [remove-private-as] [route-map in | out map-name] [route-reflector-client] [send-community] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 320: Applying A Peer Group To A Neighbor

    When you apply the new option to shut down a neighbor, the option takes place immediately and remains in effect until you remove the option. If you save the configuration to the startup-config file, the shutdown option remains in effect even after a software reload. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 321 Layer 3 switch running-config and startup-config files to see whether the configuration contains a command that is shutting down the neighbor. The neighbor may have been shut down previously by an administrator. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 322: Optional Bgp4 Configuration Tasks

    IGP route changes. You can change the update timer to a value from 1 through 30 seconds. To change the BGP4 update timer value, enter the update-time command at the BGP configuration level of the CLI. Brocade(config-bgp-router)#update-time 15 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 323: Enabling Fast External Fallover

    1, which means no BGP4 load sharing takes place by default. NOTE The maximum number of BGP4 load sharing paths cannot be greater than the maximum number of IP load sharing paths. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 324 The maximum number of BGP4 load sharing paths cannot be greater than the maximum number of IP load sharing paths. To increase the maximum number of IP load sharing paths, use the ip load sharing num command at the global CONFIG level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 325: Customizing Bgp4 Load Sharing

    To specify a network to be advertised, use either of the following methods. NOTE The exact route must exist in the IP route table before the Layer 3 switch can create a local BGP route. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 326 BGP4, and associates the “set_net” route map with the network. When BGP4 originates the 10.100.1.0/24 network, BGP4 also sets the community attribute for the network to “NO_EXPORT”. Syntax: network ip-addr ip-mask [route-map map-name] | [weight num] | [backdoor] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 327: Changing The Default Local Preference

    To do so, enter the following command at the BGP4 configuration level of the CLI. Brocade(config-bgp-router)#next-hop-enable-default Syntax: [no] next-hop-enable-default Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 328: Advertising The Default Route

    IP address or the path to the next-hop IP address is a BGP path, the software considers the BGP route destination to be unreachable. The route is not eligible to be installed in the IP route table. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 329 IBGP route instead of an IGP route, and thus is considered unreachable by the Layer 3 switch. Here is the IP route table entry for the BGP route next-hop gateway (192.168.10.1/24). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 330 IP, and thus cannot use the BGP route. In this case, since recursive next-hop lookups are enabled, the Layer 3 switch next performs a lookup for 192.168.0.1 next-hop gateway, 10.0.0.1. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 331: Changing Administrative Distances

    BGP4 routes is the BGP4 path that the software selects based on comparison of the paths’ BGP4 route parameters. Refer to “How BGP4 selects a path for a route” on page 283. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 332 The internal-distance sets the IBGP distance and can be a value from 1 through 255. The local-distance sets the Local BGP distance and can be a value from 1 through 255. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 333: Requiring The First As To Be The Neighbor As

    Router ID comparison is disabled by default. In previous releases, router ID comparison is enabled by default and cannot be disabled. To enable router ID comparison, enter the compare-routerid command at the BGP configuration level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 334: Configuring The Layer 3 Switch To Always Compare Multi-Exit Discriminators

    To change this behavior so that the Layer 3 switch favors a route that has a MED over a route that is missing its MED, enter the following command at the BGP4 configuration level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 335: Route Reflection Parameter Configuration

    The route reflectors provide redundancy in case one of the reflectors becomes unavailable. Without redundancy, if a route reflector becomes unavailable, its clients are cut off from BGP4 updates. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 336 ID to the front of the CLUSTER_LIST. If a route reflector receives a route that has its own cluster ID, the switch discards the advertisement and does not forward it. The Brocade device handles the attributes as follows: Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 337 The cluster ID helps route reflectors avoid loops within the cluster. To add an IBGP neighbor to the cluster, enter the following command. Syntax: neighbor ip-addr route-reflector-client Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 338: Configuration Notes For Bgp4 Autonomous Systems

    Internet, Brocade recommends that you use numbers from within the private AS range (64512 through 65535). These are private autonomous systems numbers and BGP4 routers do not propagate these AS numbers to the Internet. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 339: Configuring A Bgp Confederation

    Configure the local AS number. The local AS number indicates membership in a sub-AS. All BGP switches with the same local AS number are members of the same sub-AS. BGP switches use the local AS number when communicating with other BGP switches within the confederation. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 340 EBGP to exchange switch information. You can specify a number from 1 through 65535. Commands for router B BrocadeB(config)#router bgp BrocadeB(config-bgp-router)#local-as 64512 BrocadeB(config-bgp-router)#confederation identifier 10 BrocadeB(config-bgp-router)#confederation peers 64512 64513 BrocadeB(config-bgp-router)#write memory Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 341: Aggregating Routes Advertised To Bgp4 Neighbors

    The suppress-map map-name parameter prevents the more specific routes contained in the specified route map from being advertised. The advertise-map map-name parameter configures the router to advertise the more specific routes in the specified route map. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 342: Configuring Bgp4 Graceful Restart

    Configuring the BGP4 graceful restart stale routes timer Use the following command to specify the maximum amount of time a helper device will wait for an end-of-RIB message from a peer before deleting routes from that peer. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 343: Bgp Null0 Routing

    The combined use of null0 routes and route maps blocks traffic from a particular network prefix, telling a remote router to drop all traffic for this network prefix by redistributing a null0 route into BGP. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 344: Configuration Steps For Bgp Null0 Routing

    IP address references a destination address. You are required to point the static route to the egress port, for example, Ethernet 1/1/2, and specify the tag 50, matching the route-map configuration. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 345: Configuration Examples For Bgp Null0 Routing

    The following configuration defines a null0 route to the specific next hop address. The next hop address 199.199.1.1 points to the null0 route, which gets blocked. Brocade(config)#ip route 199.199.1.1/32 null0 Brocade(config)#router bgp Brocade(config-bgp-router)#local-as 100 Brocade(config-bgp-router)#neighbor <router1_int_ip address> remote-as 100 Brocade(config-bgp-router)#neighbor <router3_int_ip address> remote-as 100 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 346: Show Commands For Bgp Null0 Routing

    Type Codes - B:BGP D:Connected S:Static R:RIP O:OSPF; Cost - Dist/Metric Destination Gateway Port Cost Type 199.199.1.1/32 DIRECT drop 1/1/1 The following is the show ip bgp route output for S6 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 347 20/1 10.0.0.40/29 DIRECT drop 200/0 10.0.0.192/27 DIRECT drop 200/0 10.0.1.128/26 10.0.1.3 eth 1/1/7 20/1 10.0.7.0/24 10.0.1.3 eth 1/1/10 20/1 10.0.14.0/23 DIRECT drop 200/0 10.144.0.0/12 10.0.1.3 eth 1/1/4 20/1 10.199.1.1/32 DIRECT drop Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 348: Modifying Redistribution Parameters

    BGP4 route table. NOTE The route map you specify must already be configured on the switch. Refer to “Defining route maps” on page 342 for information about defining route maps. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 349: Redistributing Rip Routes

    NOTE If you use both the redistribute ospf route-map map-name command and the redistribute ospf match internal | external1 | external2 command, the software uses only the route map for filtering. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 350: Redistributing Static Routes

    To enable the Layer 3 switch to redistribute BGP4 routes into OSPF and RIP, enter the following command. Brocade(config-bgp-router)#bgp-redistribute-internal Syntax: [no] bgp-redistribute-internal To disable redistribution of IBGP routes into RIP and OSPF, enter the following command. Brocade(config-bgp-router)#no bgp-redistribute-internal Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 351: Filtering

    If you specify permit, the Layer 3 switch permits the route into the BGP4 table if the filter match is true. • If you specify deny, the Layer 3 switch denies the route from entering the BGP4 table if the filter match is true. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 352: As-Path Filtering

    “permit”, configure the last filter or ACL as “permit any any”. AS-path filters or AS-path ACLs can be referred to by a BGP neighbor's filter list number as well as by match statements in a route map. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 353: Defining An As-Path Filter

    ACL. You can enter a specific AS number or use a regular expression. For the regular expression syntax, refer to “Using regular expressions to filter” on page 336. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 354: Using Regular Expressions To Filter

    AS-path that begins with “3”: A dollar sign matches on the end of an input string. For example, the following regular expression matches on an AS-path that ends with “deg”: deg$ Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 355 To use the backslash as a string character, enter two slashes. For example, to filter on AS-path strings containing a backslash, enter the backslash portion of the regular expression as “\\”. Brocade(config-bgp-router)#as-path-filter 2 deny \\ Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 356: Bgp4 Filtering Communities

    If you specify permit, the router permits the route into the BGP4 table if the filter match is true. • If you specify deny, the router denies the route from entering the BGP4 table if the filter match is true. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 357: Defining A Community Acl

    199 entries in a community list. If you do not specify a sequence number, the software numbers them in increments of 5, beginning with number 5. The software interprets the entries in a community list in numerical order, beginning with the lowest sequence number. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 358: Defining Ip Prefix Lists

    100 prefix list entries. If you do not specify a sequence number, the software numbers them in increments of 5, beginning with prefix list entry 5. The software interprets the prefix list entries in numerical order, beginning with the lowest sequence number. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 359: Defining Neighbor Distribute Lists

    Use the new syntax when you are using an IP ACL with the distribute list. Use the old syntax when you are using a BGP4 address filter with the distribute list. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 360: Defining Route Maps

    AS-path. • Add a user-defined tag to the route or add an automatically calculated tag to the route. • Set the community value. • Set the local preference. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 361: Entering The Route Map Into The Software

    To delete a specific instance of a route map without deleting the rest of the route map, enter a command such as the following. Brocade(config)#no route-map Map1 permit 10 This command deletes the specified instance from the route map but leaves the other instances of the route map intact. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 362: Specifying The Match Conditions

    IP ACL for use with this command, use the ip access-list command. Refer to the section “ACL overview” in the Brocade ICX 6650 Security Configuration Guide. To configure an IP prefix list, use the ip prefix-list command. Refer to “Defining IP prefix lists”...

  • Page 363: Match Examples Using Acls

    1 through 199 or the ACL name if it is a named ACL. To configure an IP ACL, use the ip access-list or access-list command. Refer to the chapter “Rule-Based IP ACLs” in the Brocade ICX 6650 Security Configuration Guide.
  • Page 364 The num parameter with the first command specifies an IP ACL and can be a number from 1 through 199 or the ACL name if it is a named ACL. To configure an IP ACL, use the ip access-list or access-list command. Refer to the chapter “Rule-Based IP ACLs” in the Brocade ICX 6650 Security Configuration Guide.

  • Page 365: Setting Parameters In The Routes

    The comm-list parameter deletes a community from a BGP4 route community attributes field. The community parameter sets the community attribute for the route to the number or well-known type you specify. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 366 The origin igp | incomplete parameter sets the route origin to IGP or INCOMPLETE. The tag tag-value parameter sets the route tag. You can specify a tag value from 0 through 4294967295. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 367 When you use the set ip next-hop peer-address command in an outbound route map filter, peer-address substitutes for the local IP address of the BGP4 session. NOTE You can use this command for a peer group configuration. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 368: Using A Table Map To Set The Tag Value

    The route map is not applied to all routes. This example assumes that address filter 11 has already been configured. Brocade(config)#route-map TAG_IP permit 1 Brocade(config-routemap TAG_IP)#match address-filters 11 Brocade(config-routemap TAG_IP)#set tag 100 Brocade(config-routemap TAG_IP)#router bgp Brocade(config-bgp-router)#table-map TAG_IP Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 369: Configuring Cooperative Bgp4 Route Filtering

    10.20.20./24. The second command configures a statement that permits all other routes. (Once you configure an IP prefix list statement, all routes not explicitly permitted by statements in the prefix list are denied.) Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 370 If you use the soft in prefix-filter parameter, the Layer 3 switch sends the updated IP prefix list to the neighbor as part of its route refresh message to the neighbor. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 371 5 permit 10.10.0.0/16 ge 18 le 28 seq 10 permit 10.20.10.0/24 seq 15 permit 10.30.0.0/8 le 32 seq 20 permit 10.40.0.0/16 ge 18 Syntax: show ip bgp neighbors ip-addr received prefix-filter Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 372: Route Flap Dampening Configuration

    You can configure route flap dampening globally or for individual routes using route maps. If you configure route flap dampening parameters globally and also use route maps, the settings in the route maps override the global values. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 373: Globally Configuring Route Flap Dampening

    The following sections show examples. To configure address filters and a route map for dampening specific routes, enter commands such as the following. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 374: Using A Route Map To Configure Route Flap Dampening For A Specific Neighbor

    • Apply the route map to the neighbor. To enable route flap dampening for a specific BGP4 neighbor, enter commands such as the following. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 375: Removing Route Dampening From A Route

    You can selectively unsuppress more-specific routes that have been suppressed due to aggregation, and allow the routes to be advertised to a specific neighbor or peer group. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 376 10.1.0.2. The clear command performs a soft reset of the session with the neighbor so that the Layer 3 switch can advertise the unsuppressed route. Syntax: [no] neighbor ip-addr | peer-group-name unsuppress-map map-name The following command verifies that the route has been unsuppressed. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 377: Displaying And Clearing Route Flap Dampening Statistics

    You also can display route flap statistics for routes learned from a neighbor by entering the following command: show ip bgp neighbors ip-addr flap-statistics. Table 63 shows the field definitions for the display output. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 378: Generating Traps For Bgp

    You can enable and disable SNMP traps for BGP. BGP traps are enabled by default. To enable BGP traps after they have been disabled, enter the following command. Brocade(config)#snmp-server enable traps bgp Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 379: Displaying Bgp4 Information

    You can display the local AS number, the maximum number of routes and neighbors supported, and some BGP4 statistics. To view summary BGP4 information for the router, enter the show ip bgp summary command at any CLI prompt. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 380 The number of BGP4 route-attribute entries in the router route-attributes table. To Installed display the route-attribute table, refer to “Displaying BGP4 route-attribute entries” on page 386. Neighbor Address The IP addresses of this router BGP4 neighbors. The AS number. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 381 The number of routes received from the neighbor that this router installed in the BGP4 route table. Usually, this number is lower than the RoutesRcvd number. The difference indicates that this router filtered out some of the routes received in the UPDATE messages. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 382: Displaying The Active Bgp4 Configuration

    You can display CPU utilization statistics for BGP4 and other IP protocols. To display CPU utilization statistics for BGP4 for the previous one-second, one-minute, five-minute, and fifteen-minute intervals, enter the show process cpu command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 383 If you do not use this parameter, the command lists the usage statistics for the previous one-second, one-minute, five-minute, and fifteen-minute intervals. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 384: Displaying Summary Neighbor Information

    Layer 3 switch does not have a valid RIP, OSPF, or static route to the next hop. History Routes The number of routes that are down but are being retained for route flap dampening purposes. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 385: Displaying Bgp4 Neighbor Information

    To view BGP4 neighbor information including the values for all the configured parameters, enter the following command. NOTE The display shows all the configured parameters for the neighbor. Only the parameters that have values different from their defaults are shown. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 386 The ip-addr option lets you narrow the scope of the command to a specific neighbor. The advertised-routes option displays only the routes that the Layer 3 switch has advertised to the neighbor during the current BGP4 neighbor session. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 387 EBGP – The neighbor is in another AS. • EBGP_Confed – The neighbor is a member of another sub-AS in the same confederation. • IBGP – The neighbor is in the same AS. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 388 Whether this option is enabled for the neighbor. DefaultOriginate Whether this option is enabled for the neighbor. MaximumPrefixLimit Lists the maximum number of prefixes the Layer 3 switch will accept from this neighbor. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 389 The number of messages this router has received from the neighbor. The message types are the same as for the Message Sent field. Last Update Time Lists the last time updates were sent and received for the following: • NLRIs • Withdraws Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 390 Peer Removed • Peer Shutdown • Peer AS Number Change • Peer AS Confederation Change • TCP Connection KeepAlive Timeout • TCP Connection Closed by Remote • TCP Data Stream Error Detected Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 391 • Invalid NextHop Attribute • Optional Attribute Error • Invalid Network Field • Malformed AS Path • Unspecified Hold Timer Expired Finite State Machine Error Cease Unspecified Notification Received See above. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 392 The next sequence number expected from the neighbor. SendWnd The size of the send window. TotalRcv The number of sequence numbers received from the neighbor. DupliRcv The number of duplicate sequence numbers received from the neighbor. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 393: Displaying Route Information For A Neighbor

    Duplicated Originator_ID:0, Cluster_ID:0 Routes Advertised:0, To be Sent:0, To be Withdrawn:0 NLRIs Sent in Update Message:0, Withdraws:0, Replacements:0 Peer Out of Memory Count for: Receiving Update Messages:0, Accepting Routes(NLRI):0 Attributes:0, Outbound Routes(RIB-out):0 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 394 • To be Withdrawn – The number of NLRIs for withdrawing routes the Layer 3 switch has queued up to send to this neighbor in UPDATE messages. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 395 Syntax: show ip bgp neighbors ip-addr routes best For information about the fields in this display, refer to Table 69 on page 383. The fields in this display also appear in the show ip bgp display. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 396: Displaying Peer Group Information

    Displaying peer group information You can display configuration information for peer groups. To display peer-group information, enter a command such as the following at the Privileged EXEC level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 397: Displaying Summary Route Information

    3 switch received better routes from other sources (such as OSPF, RIP, or static IP routes). Unreachable routes (no IGP route for The number of routes in the BGP4 route table whose destinations are NEXTHOP) unreachable because the next hop is unreachable. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 398: Displaying The Bgp4 Route Table

    The best parameter displays the routes received from the neighbor that the Layer 3 switch selected as the best routes to their destinations. The cidr-only option lists only the routes whose network masks do not match their class network length. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 399: Displaying The Best Bgp4 Routes

    AS_PATH: 65001 4355 701 80 10.4.0.0/8 192.168.4.106 AS_PATH: 65001 4355 1 10.60.212.0/22 192.168.4.106 AS_PATH: 65001 4355 701 1 189 10.6.0.0/8 192.168.4.106 AS_PATH: 65001 4355 3356 7170 1455 10.2.0.0/16 192.168.4.106 AS_PATH: 65001 4355 701 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 400 Syntax: show ip bgp routes unreachable For information about the fields in this display, refer to Table 69 on page 383. The fields in this display also appear in the show ip bgp display. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 401: Displaying Information For A Specific Route

    When the BGP4 algorithm compares routes on the basis of local preferences, the route with the higher local preference is chosen. The preference can have a value from 0 through 4294967295. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 402 E:EBGP H:HISTORY I:IBGP L:LOCAL M:MULTIPATH S:SUPPRESSED Prefix: 10.5.0.0/24, Status: BME, Age: 0h28m28s NEXT_HOP: 10.1.1.2, Learned from Peer: 10.1.0.2 (5) LOCAL_PREF: 101, MED: 0, ORIGIN: igp, Weight: 10 AS_PATH: 5 Adj_RIB_out count: 4, Admin distance 20 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 403 For example, they may have been redistributed from OSPF or RIP. When BGP4 compares multiple routes to a destination to select the best route, IGP is preferred over EGP and both are preferred over INCOMPLETE. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 404: Displaying Bgp4 Route-Attribute Entries

    AS Path :(65002) 65001 4355 2548 3561 5400 6669 5548 Next Hop :192.168.11.1 Metric Origin:IGP Originator:0.0.0.0 Cluster List:None Aggregator:AS Number :0 Router-ID:0.0.0.0 Atomic:FALSE Local Pref:100 Communities:Internet AS Path :(65002) 65001 4355 2548 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 405: Displaying The Routes Bgp4 Has Placed In The Ip Route Table

    Syntax: show ip route [ip-addr | num | bgp | ospf | rip] Here is an example of the information displayed by this command. Notice that most of the routes in this example have type “B”, indicating that their source is BGP4. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 406: Displaying Route Flap Dampening Statistics

    The filter-list num parameter specifies one or more filters. Only the routes that have been dampened and that match the specified filters are displayed. Table 72 lists the field definitions for the command output. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 407: Displaying The Active Route Map Configuration

    To display the active configuration for a specific route map, enter a command such as the following, which specifies a route map name. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 408: Displaying Bgp4 Graceful Restart Neighbor Information

    You also can clear and reset the BGP4 routes that have been installed in the IP route table. Refer to “Clearing and resetting BGP4 routes in the IP route table” on page 397. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 409: Using Soft Reconfiguration

    Layer 3 switch has stored. The command does not request additional updates from the neighbor or otherwise affect the session with the neighbor. Syntax: clear ip bgp neighbor ip-addr | peer-group-name soft in Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 410 The prefix-list string parameter specifies an IP prefix list. Only the routes permitted by the prefix list are displayed. NOTE The syntax for displaying filtered routes is shown. For complete command syntax, refer to “Displaying the BGP4 route table” on page 380. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 411: Dynamically Requesting A Route Refresh From A Bgp4 Neighbor

    RFC 2842. This RFC specifies the Capability Advertisement, which a BGP4 router uses to dynamically negotiate a capability with a neighbor. • RFC 2858 for Multi-protocol Extension. NOTE The Brocade implementation of dynamic route refresh supports negotiation of IP version 4 unicasts only. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 412 Layer 3 switch entire BGP4 route table (Adj-RIB-Out) to the neighbor, after changing or excluding the routes affected by the filters. If you do not specify in or out, the Layer 3 switch performs both options. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 413: Displaying Dynamic Refresh Information

    The statistics in the Message Sent and Message Received rows under Refresh-Req indicate how many dynamic refreshes have been sent to and received from the neighbor. The statistic is cumulative across sessions. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 414: Closing Or Resetting A Neighbor Session

    If the filters or route maps result in changes to the list of routes, the Layer 3 switch sends updates to advertise, change, or even withdraw routes on the Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 415: Clearing And Resetting Bgp4 Routes In The Ip Route Table

    Brocade#clear ip bgp neighbor 10.0.0.1 traffic To clear the BGP4 message counter for all neighbors within a peer group, enter a command such as the following. Brocade#clear ip bgp neighbor PeerGroup1 traffic Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 416: Clearing Route Flap Dampening Statistics

    The ip-mask parameter specifies the network mask. To un-suppress a specific route, enter a command such as the following. Brocade#clear ip bgp damping 10.157.22.0 255.255.255.0 This command un-suppresses only the routes for network 10.157.22.0/24. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 417: Clearing Diagnostic Buffers

    IP interface with the Layer 3 switch. The peer-group-name specifies all neighbors in a specific peer group. The as-num parameter specifies all neighbors within the specified AS. The all parameter specifies all neighbors. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 418 Clearing diagnostic buffers Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 419: Ipv6

    Chapter IPv6 Table 73 lists the IPv6 features Brocade ICX 6650 devices support. These features are supported in the Layer 2 and full Layer 3 software images, except where explicitly noted. TABLE 73 Supported IPv6 features Feature Brocade ICX 6650...
  • Page 420 A metric is a value that the Layer 3 switch uses when comparing this route to other static routes in the IPv6 static route table that have the same destination. The metric applies only to routes that the Layer 3 switch has already placed in the IPv6 static route table. Brocade ICX 6650 Layer 3 Routing 53-1002603-01...

  • Page 421: Ipv6 Over Ipv4 Tunnels

    IPv6 protocol stacks. The Layer 3 switches running both protocol stacks, or dual-stack routers, can interoperate directly with both IPv4 and IPv6 end systems and routers. Refer to to the section “Configuring IPv4 and IPv6 protocol stacks” in the Brocade ICX 6650 Administration Guide. IPv6 over IPv4 tunnel configuration notes •...

  • Page 422: Configuring A Manual Ipv6 Tunnel

    The eui-64 keyword configures the global address with an EUI-64 interface ID in the low-order 64 bits. The interface ID is automatically constructed in IEEE EUI-64 format using the interface’s MAC address. Brocade ICX 6650 Layer 3 Routing 53-1002603-01...

  • Page 423: Clearing Ipv6 Tunnel Statistics

    CPU. It does not include the number of packets processed in hardware. Displaying tunnel interface information To display status and configuration information for tunnel interface 1, enter the following command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing 53-1002603-01...
  • Page 424 The setting of the IPv6 maximum transmission unit (MTU). Displaying interface level IPv6 settings To display Interface level IPv6 settings for tunnel interface 1, enter the following command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing 53-1002603-01...
  • Page 425 The status of the line protocol can be one of the following: • up – IPv6 is enabled through the ipv6 enable or ipv6 address command. • down – The line protocol is not functioning and is down. Brocade ICX 6650 Layer 3 Routing 53-1002603-01...

  • Page 426: Ecmp Load Sharing For Ipv6

    You can manually disable or enable ECMP load sharing for IPv6 and specify the number of equal-cost paths the device can distribute traffic across. In addition, you can display information about the status of ECMP load-sharing on the device. Brocade ICX 6650 Layer 3 Routing 53-1002603-01...

  • Page 427: Disabling Or Re-Enabling Ecmp Load Sharing For Ipv6

    To display the status of ECMP load sharing for IPv6, enter the following command. Brocade#show ipv6 Global Settings unicast-routing enabled, hop-limit 64 No Inbound Access List Set No Outbound Access List Set Prefix-based IPv6 Load-sharing is Enabled, Number of load share paths: 4 Brocade ICX 6650 Layer 3 Routing 53-1002603-01...
  • Page 428 ECMP load sharing for IPv6 Brocade ICX 6650 Layer 3 Routing 53-1002603-01...

  • Page 429: Vrrp And Vrrp-E

    Virtual Router Redundancy Protocol (VRRP) and Virtual Router Redundancy Protocol Extended (VRRP-E) features Brocade ICX 6650 devices support. NOTE VRRP and VRRP-E is supported Brocade ICX 6650 devices that are running the full Layer 3 image. TABLE 78 Supported VRRP and VRRP-E features...

  • Page 430: Vrrp And Vrrp-E Overview

    Switch 1 is the host default gateway out of the subnet. If this interface goes down, Host1 is cut off from the rest of the network. Switch 1 is thus a single point of failure for Host1’s access to other networks. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 431 You can provide more redundancy by also configuring a second VRID with Switch 2 as the Owner and Switch 1 as the Backup. This type of configuration is sometimes called Multigroup VRRP. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 432: Virtual Router Mac Address

    However, the Backup router cannot reply to IP pings sent to the IP addresses associated with the VRID. Because the IP addresses are owned by the Owner, if the Owner is unavailable, the IP addresses are unavailable as packet destinations. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 433: Master Negotiation

    When you disable preemption, a Backup router that has a higher priority than the router that is currently acting as the Master does not preempt the new Master by initiating a new Master negotiation. Refer to “Backup preempt configuration” on page 440. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 434: Track Ports And Track Priority

    For example, if you want to use simple passwords to authenticate VRRP traffic within a router, you must configure VRRP simple password authentication with the same password on all of the participating router interfaces. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 435: Vrrp-E Overview

    VRRP-E uses the MAC address of the interface as the source MAC address. The MAC address is 02-E0-52-hash-value-vrid, where hash-value is a two-octet hashed value for the IP address and vrid is the VRID. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 436 VRRP-E interface priority to 180. If another tracked interface goes down, the software reduces the VRID priority again, by the amount of the tracked interface track priority. • VRRP-E can use HMAC-MD5-96 for authenticating VRRP-E packets. VRRP can use only simple passwords. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 437 Internet. If an uplink failure occurs on Switch 2, its backup priority is decremented by 20 (track priority = 20), so that all traffic destined to the Internet is sent through Switch 1 instead. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 438: Arp Behavior With Vrrp-E

    (the Layer 3 switch on which the IP interface that is used for the VRID is configured) must be the default Master. Brocade Layer 3 switches configured for VRRP-E can interoperate only with other Brocade Layer 3 switches. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 439: Architectural Differences Between Vrrp And Vrrp-E

    VRRP-E – The Master and Backup routers are selected based on their priority. You can configure any of the Layer 3 switches to be the Master by giving it the highest priority. There is no Owner. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 440: Vrrp And Vrrp-E Parameters

    VRRP-E – A virtual MAC address defined as 00-00-00-hash-value-vrid for IPv4 VRRP-E and IPv6 VRRP-E, where hash-value is a two-octet hashed value for the IP address and vrid is the ID of the virtual router. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 441 VRID. The interval can be from 1 through 84 seconds for and IPv6 VRRP-E) VRRP v2, VRRP-E v2, and IPv6 VRRP-E. The interval for 1000 milliseconds VRRP v3 can be from 100 through 8400 milliseconds. (VRRP v3). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 442 VRID. Timer scale Adjusts the timers for the Hello interval, Dead interval, page 440 Backup Hello interval, and Hold-down interval. NOTE: The timer scale is not supported for IPv6 VRRP v3. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 443: Note Regarding Disabling Vrrp Or Vrrp-E

    To implement a simple VRRP configuration using all the default values, enter the commands shown in the following sections. Configuration rules for VRRP • The interfaces of all routers in a VRID must be in the same IP subnet. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 444: Configuring The Owner For Ipv4 Vrrp

    (2) to a value from 1 through the maximum VRID supported by the device. Configuring the Owner for IPv6 VRRP To configure the VRRP Owner router for IPv6, enter the following commands on the router. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 445: Configuring A Backup For Ipv4 Vrrp

    Brocade Router2(config)#interface ethernet 1/1/5 Brocade Router2(config-if-e10000-1/1/5)#ip-address 192.168.5.3 Brocade Router2(config-if-e10000-1/1/5)#ip vrrp vrid 1 Brocade Router2(config-if-e10000-1/1/5-vrid-1)#backup Brocade Router2(config-if-e10000-1/1/5-vrid-1)#advertise backup Brocade Router2(config-if-e10000-1/1/5-vrid-1)#ip-address 192.168.5.1 Brocade Router2(config-if-e10000-1/1/5-vrid-1)#activate VRRP router 2 for interface is activating Syntax: [no] router vrrp Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 446: Configuring A Backup For Ipv6 Vrrp

    The num variable specifies the virtual router ID. The priority value option specifies the IPv6 VRRP priority for this virtual Backup router. You can specify a value from 3 through 254. The default is 100. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 447: Configuration Considerations For Ipv6 Vrrp V3 And Ipv6 Vrrp-E V3 Support On Brocade Devices

    VRID range. The maximum number of supported VRRP or VRRP-E router instances is 254 for IPv4 environments. The maximum number of supported VRRP or VRRP-E router instances is 128 for IPv6 environments. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 448: Basic Vrrp-E Parameter Configuration

    3 through 254. The default is 100. The track-priority value option changes the track port priority of a Backup router. You can specify a value from 1 through 254. The default is 2. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 449: Configuring Ipv6 Vrrp-E

    1 through 254. The default is 2. NOTE You also can use the enable command to activate the configuration. This command does the same thing as the activate command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 450: Additional Vrrp And Vrrp-E Parameter Configuration

    Track priority • Backup preempt mode • Timer scale • VRRP-E slow start timer Refer to “VRRP and VRRP-E parameters” on page 422 for a summary of the parameters and their defaults. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 451: Vrrp And Vrrp-E Authentication Types

    VRID are configured for simple password authentication and use the same password. NOTE For VRRP v3, authentication is deprecated by RFC 5768. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 452 These syslog messages will be rate limited to 20 log messages within a span of 5 minutes, starting from the first packet received that fails the HMAC-MD5-96 authentication check. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 453: Vrrp Router Type

    To configure Router2 as a VRRP Backup for the same VRID, and set its VRRP priority, enter the following commands. Brocade Router2(config)#interface ethernet 1/1/5 Brocade Router2(config-if-e10000-1/1/5)#ip vrrp vrid 1 Brocade Router2(config-if-e10000-1/1/5-vrid-1)#backup priority 120 Brocade Router2(config-if-e10000-1/1/5-vrid-1)#advertise backup Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 454: Suppression Of Rip Advertisements

    Backup router rather than the path to the Master. You can prevent the Backup routers from advertising route information for the backed-up interface by enabling suppression of the advertisements. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 455: Hello Interval Configuration

    Brocade Router1(config)# interface ethernet 1/1/6 Brocade Router1(config-if-e10000-1/1/6)# ipv6 vrrp vrid 1 Brocade Router1(config-if-e10000-1/1/6-vrid-1)# hello-interval 200 Syntax: [no] hello-interval milliseconds The milliseconds variable can be from 100 through 8400 milliseconds. The default is 1000 milliseconds. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 456: Dead Interval Configuration

    The num variable specifies the message interval and can be from 60 through 3600 seconds. The default is 60 seconds. The syntax is the same for VRRP v2 and IPv6 VRRP v3, and VRRP-E v2 and IPv6 VRRP-E v3. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 457: Track Port Configuration

    You enter the track priority as a value with the owner or backup command. Refer to “Track port configuration” on page 439. Syntax: owner [track-priority value] Syntax: backup [priority value] [track-priority value] The syntax is the same for VRRP and VRRP-E. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 458: Backup Preempt Configuration

    Table 80 shows timer scale values. TABLE 80 Time scale values Timer Timer scale Timer value Hello interval 1 second 0.5 seconds Dead interval 3 seconds 1.5 seconds Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 459: Vrrp-E Slow Start Timer

    If the Master subsequently comes back up again, the amount of time specified by the VRRP-E slow start timer elapses (in the IPv4 example, 30 seconds) before the Master takes over from the Backup. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 460: Vrrp-E Extension For Server Virtualization

    Although it is not required, it is recommended that interfaces on different routers with the same VRID have the same SPF configuration. This ensures that the SPF behavior is retained after a failover. Different VRIDs, however, can have different SPF configurations. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 461 Brocade (config)# interface ve 10 Brocade (config-vif-10)# ip-address 10.10.10.25/24 Brocade (config-vif-10)# ip vrrp-extended vrid 10 Brocade (config-vif-10-vrid-10)# backup priority 50 Brocade (config-vif-10-vrid-10)# ip-address 10.10.10.254 Brocade (config-vif-10-vrid-10)# short-path-forwarding Brocade (config-vif-10-vrid-10)# activate Syntax: [no] short-path-forwarding [revert-priority value] Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 462 3500 msec preempt-mode true virtual ip address 10.1.1.3 virtual mac address 0000.0089.7001 advertise backup: disabled master router 10.1.1.1 expires in 00:00:02.7 track-port 1/1/13(down) short-path-forwarding enabled <revertible priority 80 not reverted > Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 463: Forcing A Master Router To Abdicate To A Backup Router

    This example shows that even though this Layer 3 switch is the Owner of the VRID (“mode owner”), the Layer 3 switch priority for the VRID is 110 and the state is now “backup” instead of “active”. In addition, the administrative status is “enabled”. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 464: Displaying Vrrp And Vrrp-E Information

    Brocade#show ipv6 vrrp brief Total number of VRRP routers defined: 1 Interface VRID CurPri P State Master addr Backup addr 1/1/5 P Master Master addr: Local Backup addr: 2001:db8:212:f2ff:fea8:3900 : 2001:db8::1 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 465 Layer 3 switch is running VRRP-E, the total applies only to VRRP-E routers. Interface The interface on which VRRP or VRRP-E is configured. If VRRP or VRRP-E is configured on multiple interfaces, information for each interface is listed separately. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 466: Displaying Detailed Information

    255 current priority 255 track-priority 150 hello-interval 1000 msec ip-address 192.168.3.1 virtual mac address 0000.5e00.0103 advertise backup: disabled next hello sent in 00:00:00.7 backup router 192.168.3.2 expires in 00:02:41.3 track-port 1/1/14(up) Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 467 The ethernet portnum option specifies an Ethernet port. If you use this option, the command displays VRRP or VRRP-E information only for the specified port. Also, you must specify the slotnum variable on chassis devices. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 468 Master. If two or more devices are tied with the highest priority, the Backup interface with the highest IP address becomes the active router for the VRID. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 469 Backup, then the expiration may indicate a problem with the Backup. NOTE: This field applies only when Hello messages are enabled on the Backups (using the advertise backup option). Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 470 0000.0000.0102 advertise backup: disabled next hello sent in 00:00:01.0 To display information about the settings configured for a specified IPv6 VRRP VRID, enter the show ipv6 vrrp vrid command. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 471 How often the Master router sends Hello messages to the Backups. dead interval The amount of time a Backup waits for a Hello message from the Master before determining that the Master is dead. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 472: Displaying Statistics

    = 0 rxed vrrp hello interval mismatch count = 0 rxed vrrp priority zero from master count = 0 rxed vrrp higher priority count = 0 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 473 VRID. transitioned to backup state The number of times this Layer 3 switch has changed from the master state to count the backup state for the VRID. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 474: Clearing Vrrp Or Vrrp-E Statistics

    If the software has been running less than 15 minutes (the maximum interval for utilization statistics), the command indicates how long the software has been running, as shown in the following example. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 475 If you do not use this variable, the command lists the usage statistics for the previous one-second, one-minute, five-minute, and fifteen-minute intervals. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 476: Displaying Vrrp And Vrrp-E Information For Ipv6

    00:00:00.1 backup router 2001:db8:224:38ff:fec8:5a40 expires in 00:02:03.1 To display information for an IPv6 VRRP Backup, enter the show ipv6 vrrp command at any level of the CLI. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 477 For more information on the field descriptions for the show ipv6 vrrp command and the show ipv6 vrrp -extended command, refer to “CLI display of VRRP or VRRP-E detailed information” page 450. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 478: Configuration Examples

    IP address as the one associated with this VRID on the Owner, you are configuring the Backup to back up the address, but you are not duplicating the address. Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

  • Page 479: Vrrp-E Example

    VRRP router 1 for this interface is activating Brocade Switch1(config-if-e10000-1/1/6)# Brocade-Switch1(config-if-e10000-1/1/6)#ip vrrp-e vrid 2 Brocade-Switch1(config-if-e10000-1/1/6-vrid-2)#backup priority 100 track-priority Brocade-Switch1(config-if-e10000-1/1/6-vrid-2)#track-port ethernet 1/1/4 Brocade-Switch1(config-if-e10000-1/1/6-vrid-2)#ip-address 192.168.5.253 Brocade-Switch1(config-if-e10000-1/1/6-vrid-2)#activate VRRPE router 2 for this interface is activating Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 480 Alternatively, you can use the enable command. The activate and enable commands do the same thing. Syntax: router vrrp-extended Syntax: ip vrrp-extended vrid vrid Syntax: backup [priority value] [track-priority value] Syntax: track-port ethernet stack-unit/slotnum/portnum | ve num Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 481 Configuration examples Syntax: ip-address ip-addr Syntax: activate Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 482 Configuration examples Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 483 Border Gateway Protocol 4 (BGP4) displaying and clearing route flap dampening adding a loopback interface statistics adding a peer group displaying cooperative filtering information adding BGP4 neighbors displaying CPU utilization statistics Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 484 BGP4 route table and IP route clear ip dhcp-server binding table clear ip ospf removing route dampening from a neighbor route clear ip ospf neighbor removing route dampening from a route clear ip ospf redistribution Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 485 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 486 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 487 DNS server address defining ICMP domain list disabling redirect messages defining ICMP Router Discovery Protocol (IRDP) domain name configuration defining enabling globally Domain Name Server (DNS) enabling on an individual port configuring Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 488 RIP global parameters for Layer 2 switch IP subnet broadcasts, enabling support interface parameters (Layer 2) IP traffic interface parameters (Layer 3) displaying statistics Layer 4 session table IPv4 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 489 (RFC 1191) support defining redistribution filters Maximum Transmission Unit (MTU) designated router election in multi-access networks globally changing Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 490 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 491 | connected | isis | ospf | static bgp-redistribute-internal redistribute connected client-to-client-reflection redistribute ospf cluster-id redistribute rip community-filter Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 492 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 493 ARP adding an entry static IP route adding Virtual Router Redundancy Protocol (VRRP) static IP routes Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...
  • Page 494 Virtual Router Redundancy Protocol Extended (VRRP-E) overview VLAN router-interface ve VRID advertise backup backup backup-hello-interval hello-interval ip vrrp vrid non-preempt-mode owner owner priority | track-priority track-port ethernet VRRP-E authentication types configuration examples configuring IPv4 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01...

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