Supermicro SSE-G24-TG4 Configuration Manual
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Supermicro SSE-G24-TG4 Configuration Manual

L2 / l3 switches
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Download this manual See also: Reference Manual, User Manual
L2 / L3 Switches
Internet Protocol (IP)
Configuration Guide
Revision 1.0

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Summary of Contents for Supermicro SSE-G24-TG4

  • Page 1 L2 / L3 Switches Internet Protocol (IP) Configuration Guide Revision 1.0...
  • Page 2 Please Note: For the most up-to-date version of this manual, please see our web site at www.supermicro.com. Super Micro Computer, Inc. (“Supermicro”) reserves the right to make changes to the product described in this manual at any time and without notice.

  • Page 3: Table Of Contents

    Loopback Interface ........................ 9 Inter-VLAN Routing ........................10 Static Route ..........................12 ARP .............................. 14 DHCP ............................16 1.6.1 DHCP Server ........................17 1.6.2 DHCP Client ......................... 25 1.6.3 DHCP Relay Agent ....................... 27 VRRP ............................29 Supermicro L2/L3 Switches Configuration Guide...

  • Page 4: Ip Configuration Guide

    1 IP Configuration Guide This document describes the system features supported in Supermicro Layer 2 / Layer 3 switch products. This document covers the system configurations for the below listed Supermicro switch products. Top of Rack Switches Blade Switches • SSE-G24-TG4 •...

  • Page 5: Layer 3 Interface

    The following features of IP implementation in Supermicro switches are covered in this document. Layer3 Interface •...
  • Page 6 Step 3 no switchport Configures the router port ip address [<ip-address> | <ip-address>/prefix- Step 4 Configures the IP address. length] [<subnet-mask>] [secondary] ip-address – A valid IPv4 address. ip-address/prefix-length - A valid IPv4 Supermicro L2/L3 Switches Configuration Guide...

  • Page 7: Layer 3 Vlan Interface

    1.2.7 IP Routing is enabled by default in Supermicro switches. The “switchport” command deletes the Physical Layer 3 interface and the interface is reset as a Layer2 interface. The example below shows the commands used to configure a Physical Layer3 Interface.
  • Page 8 The example below shows the commands used to configure a Logical Layer3 interface. SMIS# configure terminal SMIS(config)# vlan 10 SMIS(config-vlan)# ports Gi 0/22 untagged SMIS(config-vlan)# exit SMIS(config)# interface vlan 10 SMIS(config-if)#ip address 10.10.10.1 255.255.255.0 SMIS(config-if)# end Supermicro L2/L3 Switches Configuration Guide...

  • Page 9: Loopback Interface

    Broadcast address is 10.10.10.255 1.2.9 Loopback Interface Supermicro switches support a loopback interface, which is a virtual interface and is not connected to any other device. Loopback interfaces are very useful since they will never go down unless the entire router goes down.

  • Page 10: Inter-Vlan Routing

    VLAN, the traffic must be routed between them. This is known as Inter-VLAN Routing. Supermicro switches use application-specific integrated circuits (ASICs), which are hardware chips that can route traffic at very high speeds. These ASICs are installed on the switching engine of a Layer 3 switch, which traditionally switches frames at Layer 2.
  • Page 11 The routing table has an entry for each VLAN interface subnet, therefore, devices in VLAN 10 can communicate with devices in VLAN 20 and vice versa. The example below shows the commands used to configure Inter-VLAN routing. SMIS# configure terminal Supermicro L2/L3 Switches Configuration Guide...

  • Page 12: Static Route

    CPU cycles are used to calculate and analyze routing updates. Routers forward packets using either route information from manually configured route table entries or by using the route information calculated with dynamic routing algorithms. Use of Static Routes: Supermicro L2/L3 Switches Configuration Guide...
  • Page 13 When the next hop for the address is unreachable, the static route is removed from the IP routing table. The “no ip route <prefix><mask> { <next-hop> | Vlan<vlan-id(1-4069)> | <interface -type><interface-id> | null0 } [private]” command deletes the static route. Supermicro L2/L3 Switches Configuration Guide...

  • Page 14: Arp

    ARP cache. ARP is part of all Supermicro switches systems that run IP. Though Supermicro switches are Layer 3 switches that forward packets based on IP address, ARP is required for certain cases like default gateways or for pinging within the same subnet.
  • Page 15 Exits the configuration mode. Step 6 show iparp Displays the ARP table entries. show iparp summary Displays a summary of the ARP table, including dynamic and static entries. show iparp information Displays the ARP configuration details. Supermicro L2/L3 Switches Configuration Guide...

  • Page 16: Dhcp

    DHCP server. A relay agent forwards the packets between the DHCP client and the server. A DHCP server offers configuration parameters (such as an IP address, MAC address, domain name, and a lease for the IP address) to the client in a DHCPOFFER unicast message. Supermicro L2/L3 Switches Configuration Guide...

  • Page 17: Dhcp Server

    1.6.1 DHCP Server The DHCP server implementation in Supermicro switches maintains a database of available IP addresses and configuration information. When the DHCP server receives a request from a DHCP client, the DHCP server determines the network to which the DHCP client is connected. The DHCP server then allocates an IP address or prefix that is appropriate for the client.
  • Page 18 If the ping is unanswered, the DHCP server assumes that the address is not in use and assigns the address to the requesting client. 1.6.1.9 DHCP Server Configuration Defaults Parameter Default Value DHCP server status Disabled DHCP server IP address None Supermicro L2/L3 Switches Configuration Guide...
  • Page 19 None Next-server None DHCP ping None Offer reuse 1.6.1.9.1 Enabling a DHCP Server The DHCP server is disabled by default in Supermicro switches. Follow the steps below to enable a DHCP server. Step Command Description Step 1 configure terminal Enters the configuration mode.
  • Page 20 – Mixed node p-node – Peer to peer node Step 9 option <code (1-2147483647)> { ascii<string> | (Optional) Configures the DHCP server hex <Hex String> | ip<address> } options. 1.6.3 Configurable DHCP options with their Supermicro L2/L3 Switches Configuration Guide...
  • Page 21 DHCP client. Step 13 host hardware-type <type (1-2147483647)> (Optional) Specifies the hardware MAC client-identifier <mac-address> option <code (1- address of the DHCP client. 2147483647)> { ascii<string> | hex <Hex String> | ip<address> } 1.6.4 Supermicro L2/L3 Switches Configuration Guide...
  • Page 22 <code (1-2147483647)> no lease no utilization threshold no host hardware-type <host-hardware-type (1-2147483647)> client-identifier <client- mac-address> option <code (1-2147483647)> 1.6.6.1.1 Configuring Other Parameters Follow the steps below to configure the DHCP server parameters. Step Command Description Supermicro L2/L3 Switches Configuration Guide...
  • Page 23 SMIS(config)# service dhcp-server SMIS(config)# ipdhcp server 100.100.100.1 SMIS(config)# ipdhcp pool 1 SMIS(dhcp-config)# network 200.200.0.0 255.255.0.0 SMIS(dhcp-config)# excluded-address 200.200.20.20 200.200.20.30 SMIS(dhcp-config)# dns-server 10.10.10.1 SMIS(dhcp-config)# domain-name supermicro.com SMIS(dhcp-config)# netbios-name-server 172.16.1.3 SMIS(dhcp-config)# netbios-node-type h-node SMIS(dhcp-config)# option 19 hex 1 Supermicro L2/L3 Switches Configuration Guide...
  • Page 24 Exclude address end IP: 200.200.20.30 Subnet Options -------------- Code: 1, Value: 255.255.0.0 Code: 3, Value: 192.168.1.10 Code: 6, Value: 10.10.10.1 Code: 15, Value: supermicro.com Code: 19, Value: 1 Code: 44, Value: 172.16.1.3 Code: 46, Value: 8 Host Options ------------ Supermicro L2/L3 Switches Configuration Guide...

  • Page 25: Dhcp Client

    ---- DHCPOFFER DHCPACK DHCPNAK 1.6.7 DHCP Client Supermicro switches can function as a Dynamic Host Configuration Protocol (DHCP) client to obtain configuration parameters such as an IP address from the DHCP server. DHCP Discover DHCP Offer DHCP Request DHCP Ack...
  • Page 26 The VLAN should be created before configuring the VLAN client on that particular VLAN. The “no ip address dhcp” command deletes the DHCP client configuration. The example below shows the commands used to configure a DHCP Client. SMIS(config)# interface Gi 0/22 SMIS(config-if)# no switchport SMIS(config-if)# ip address dhcp Supermicro L2/L3 Switches Configuration Guide...

  • Page 27: Dhcp Relayagent

    GIADDR to determine the subnet on which the relay agent received the broadcast and allocates an IP address on that subnet. When the DHCP server replies to the client, it unicasts the reply to the GIADDR address. The relay agent then retransmits the response on the local network. Supermicro L2/L3 Switches Configuration Guide...
  • Page 28 Exits the configuration mode. Step 8 show ipdhcp relay information Displays the DHCP relay configuration The DHCP Server must be disabled before enabling the DHCP relay. These commands delete values or reset default values, as applicable: noservice dhcp-relay Supermicro L2/L3 Switches Configuration Guide...

  • Page 29: Vrrp

    Protocol (IRDP) client. The drawback to dynamic discovery protocols is that they incur some configuration and processing overhead on the LAN client. Also, in the event of a router failure, the process of switching to another router can be slow. Supermicro L2/L3 Switches Configuration Guide...
  • Page 30 The VRRP priority determines the role of each VRRP router. If a VRRP router owns the virtual IP address and the IP address of the physical interface, this router functions as the master. The priority of the Supermicro L2/L3 Switches Configuration Guide...
  • Page 31 Supermicro switches encapsulate the VRRP advertisements in IP packets and send them to the IP multicast address assigned to the VRRP group. Supermicro switches send the advertisements once every second by default, but you can configure a different advertisement interval.
  • Page 32 Step 10 show vrrp Displays the VRRP configuration. show vrrp detail Displays the VRRP configuration with additional details like advertisement timer, authentication details, etc. These commands delete values or reset todefault values, as applicable: no router vrrp Supermicro L2/L3 Switches Configuration Guide...
  • Page 33 Interface vrID Priority P State Master AddrVRouterAddr --------- ---- -------- - ----- ----------- ------------ vlan10 100 254 P Init 0.0.0.0 100.100.100.1 vlan10 200 100 P Init 0.0.0.0 10.10.10.1 SMIS# show vrrp detail vlan10 -vrID 100 --------------- Supermicro L2/L3 Switches Configuration Guide...
  • Page 34 Virtual MAC address is 00:00:5e:00:01:c8 Master router is 0.0.0.0 Associated IP addresses: ---------------------- 10.10.10.1 Advertise time is 255 secs Current priority is 100 Configured priority is 100, may preempt Configured Authentication Authentication key is pwd1 -END- Supermicro L2/L3 Switches Configuration Guide...

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