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Cisco HWIC-4ESW User Manual

Cisco HWIC-4ESW User Manual

Etherswitch interface cards
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Cisco HWIC-4ESW and HWIC-D-9ESW
EtherSwitch Interface Cards
First Published: May 17, 2005
Last Updated: April 15, 2006
This document provides configuration tasks for the 4-port Cisco HWIC-4ESW and the 9-port
Cisco HWIC-D-9ESW EtherSwitch high-speed WAN interface cards (HWICs) hardware feature
supported on Cisco 1800 (modular), Cisco 2800, and Cisco 3800 series integrated services routers.
Cisco EtherSwitch HWICs are 10/100BASE-T Layer 2 Ethernet switches with Layer 3 routing
capability. (Layer 3 routing is forwarded to the host and is not actually performed at the switch.) Traffic
between different VLANs on a switch is routed through the router platform. Any one port on a
Cisco EtherSwitch HWIC may be configured as a stacking port to link to another Cisco EtherSwitch
HWIC or EtherSwitch network module in the same system. An optional power module can also be added
to provide inline power for IP telephones. The HWIC-D-9ESW HWIC requires a double-wide card slot.
This hardware feature does not introduce any new or modified Cisco IOS commands.
Finding Feature Information in This Module
Your Cisco IOS software release may not support all of the features documented in this module. To reach
links to specific feature documentation in this module and to see a list of the releases in which each feature is
supported, use the
"Feature Information for the Cisco HWIC-4ESW and the Cisco HWIC-D-9ESW
EtherSwitch Cards" section on page
Finding Support Information for Platforms and Cisco IOS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image
support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on
Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at
the login dialog box and follow the instructions that appear.
Corporate Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
© 2006 Cisco Systems, Inc. All rights reserved.
117.

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  • Page 1 Finding Feature Information in This Module Your Cisco IOS software release may not support all of the features documented in this module. To reach links to specific feature documentation in this module and to see a list of the releases in which each feature is supported, use the “Feature Information for the Cisco HWIC-4ESW and the Cisco HWIC-D-9ESW...
  • Page 2 Configuration of IP routing. (Refer to the Cisco IOS IP Configuration Guide.) • Use of the Cisco IOS T release, beginning with Release 12.3(8)T4 or later for Cisco HWIC-4ESW • and Cisco HWIC-D-9ESW support. (Refer to the Cisco IOS documentation.)

  • Page 3: Switchport Access Vlan

    For information about intrachassis stacking configuration, see the 16- and 36-Port Ethernet Switch Module for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 series feature document. Without this configuration and connection, duplications will occur in the VLAN databases, and Note unexpected packet handling may occur.

  • Page 4: Spanning Tree Protocol

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Information About EtherSwitch HWICs Inline Power for Cisco IP Phones For information on the concept of inline power for Cisco IP phones, refer to the material at this URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_4/gt1636nm.ht m#1048439 Layer 2 Ethernet Switching For information on the concept of Layer 2 Ethernet switching, refer to the material at this URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_4/gt1636nm.ht...

  • Page 5: Table Of Contents

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Storm Control For information on the concept of storm control, refer to the material at this URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_4/gt1636nm.ht m#1051018 Intrachassis Stacking For information on the concept of intrachassis stacking, refer to the material at this URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_4/gt1636nm.ht...

  • Page 6: Configuring Vlans

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring VLANs This section describes how to configure VLANs on the switch and contains the following sections: Adding a VLAN Instance, page 6 • Deleting a VLAN Instance from the Database, page 8 •...
  • Page 7 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Media Type: Ethernet VLAN 802.10 Id: 100001 State: Operational MTU: 1500 Translational Bridged VLAN: 1002 Translational Bridged VLAN: 1003 VLAN ISL Id: 2 Name: VLAN0002 Media Type: Ethernet VLAN 802.10 Id: 100002...
  • Page 8 STP Type: IBM Router(vlan)# exit APPLY completed. Exiting..Router# Router# Enter the show vlan-switch command in EXEC mode using the Cisco IOS CLI to verify the VLAN configuration, as shown below. Router# show vlan-switch VLAN Name Status Ports ---- -------------------------------- --------- ----------------------------------...
  • Page 9 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters VLAN configuration mode. vlan database...

  • Page 10: Configuring Vlan Trunking Protocol

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Enter the show vlan-switch brief command in EXEC mode, using the Cisco IOS CLI to verify that a VLAN has been deleted from the switch, as shown in the following output example:...
  • Page 11 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Step 1 Enables privileged EXEC mode. enable • Enter your password if prompted. Example: Router> enable Step 2 Enters VLAN configuration mode. vlan database Example: Router# vlan database Step 3 Configures the switch as a VTP server.
  • Page 12 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring a VTP Client When a switch is in VTP client mode, you cannot change the VLAN configuration on the switch. The client switch receives VTP updates from a VTP server in the management domain and modifies its configuration accordingly.

  • Page 13: Configuring Layer 2 Interfaces

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Step 1 Enables privileged EXEC mode. enable • Enter your password if prompted. Example: Router> enable Step 2 Enters VLAN configuration mode. vlan database Example: Router# vlan database Step 3 Configures VTP transparent mode.
  • Page 14 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring a Range of Interfaces Use the following task to configure a range of interfaces. SUMMARY STEPS enable configure terminal interface range {macro macro_name | FastEthernet interface-id [ - interface-id] | vlan vlan_ID}...

  • Page 15: Interface Speed And Duplex Configuration Guidelines

    When configuring an interface speed and duplex mode, note these guidelines: • If both ends of the line support autonegotiation, Cisco highly recommends the default auto negotiation settings. If one interface supports auto negotiation and the other end does not, configure duplex and speed on •...

  • Page 16: Command Or Action

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Changing the interface speed and duplex mode configuration might shut down and reenable the interface Caution during the reconfiguration. Configuring the Interface Speed Use the following task to set the interface speed.

  • Page 17: Verifying Interface Speed And Duplex Mode Configuration

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs SUMMARY STEPS enable configure terminal interface fastethernet interface-id duplex [auto | full | half] DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable •...

  • Page 18: Configuring A Description For An Interface

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Auto-duplex, Auto-speed ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:11, output never, output hang never Last clearing of "show interface" counters never Queueing strategy: fifo Output queue 0/40, (size/max)

  • Page 19: Configuring A Fast Ethernet Interface As A Layer 2 Trunk

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 20 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.

  • Page 21: Configuring A Fast Ethernet Interface As Layer 2 Access

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Ports do not support Dynamic Trunk Protocol (DTP). Ensure that the neighboring switch is set to a mode Note that will not send DTP. Verifying a Fast Ethernet Interface as a Layer 2 Trunk Use the following show commands to verify the configuration of a Fast Ethernet interface as a Layer 2 trunk.

  • Page 22: Purpose

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.

  • Page 23: Configuring 802.1X Authentication

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs switchport access vlan 3 no ip address Use the show interfaces command to verify the switchport configuration of the interface, as shown below. Router# show interfaces f0/1/0 switchport...
  • Page 24 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Table 1 Default 802.1x Configuration Feature Default Setting Authentication, authorization, and Disabled. accounting (AAA) RADIUS server • IP address • None specified. UDP authentication port 1645. • •...

  • Page 25: Enabling 802.1X Authentication

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Switch Port Analyzer (SPAN) destination port—You can enable 802.1x on a port that is a SPAN – destination port; however, 802.1x is disabled until the port is removed as a SPAN destination.

  • Page 26: Configuring The Switch-To-Radius-Server Communication

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command or Action Purpose Step 3 Creates an 802.1x authentication method list. aaa authentication dot1x {default | listname} method1 [method2...] • To create a default list that is used when a named list is...
  • Page 27 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs configured for the same service—for example, authentication—the second host entry configured acts as the fail-over backup to the first one. The RADIUS host entries are tried in the order that they were configured.

  • Page 28: Enabling Periodic Reauthentication

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command or Action Purpose Step 4 Returns to privileged EXEC mode. Example: Router(config-if)# end Step 5 Verifies your entries. show running-config Example: Router# show running-config Step 6 (Optional) Saves your entries in the configuration file.

  • Page 29: Changing The Quiet Period

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.

  • Page 30: Changing The Switch-To-Client Retransmission Time

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs SUMMARY STEPS enable configure terminal dot1x timeout quiet-period seconds show dot1x copy running-config startup-config DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable •...
  • Page 31 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs You should change the default value of this command only to adjust for unusual circumstances such Note as unreliable links or specific behavioral problems with certain clients and authentication servers.

  • Page 32: Setting The Switch-To-Client Frame-Retransmission Number

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Setting the Switch-to-Client Frame-Retransmission Number In addition to changing the switch-to-client retransmission time, you can change the number of times that the switch sends an EAP-request/identity frame (assuming no response is received) to the client before restarting the authentication process.

  • Page 33: Enabling Multiple Hosts

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command or Action Purpose Step 5 Verifies your entries. show dot1x Example: Router# show dot1x Step 6 (Optional) Saves your entries in the configuration file. copy running-config startup-config...

  • Page 34: Resetting The 802.1X Configuration To The Default Values

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command or Action Purpose Step 3 Enters interface configuration mode. interface interface-id Example: Router# interface 0/1/2 Step 4 Allows multiple hosts (clients) on an 802.1x-authorized dot1x multiple-hosts port.

  • Page 35: Configuring Spanning Tree

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.

  • Page 36: Enabling Spanning Tree

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring the Forward-Delay Time for a VLAN, page 42 • Configuring the Maximum Aging Time for a VLAN, page 43 • Configuring the Root Bridge, page 44 •...
  • Page 37 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Use the show spanning-tree vlan to verify spanning tree configuration, as illustrated below: Router# show spanning-tree vlan 200 VLAN200 is executing the ieee compatible Spanning Tree protocol Bridge Identifier has priority 32768, address 0050.3e8d.6401 Configured hello time 2, max age 20, forward delay 15 Current root has priority 16384, address 0060.704c.7000...
  • Page 38 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command or Action Purpose Step 3 Selects an interface to configure. interface {ethernet | fastethernet} interface-id Example: Router(config)# interface fastethernet 0/1/6 Step 4 Configures the port priority for an interface.
  • Page 39 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Calculating Port Cost Port cost value calculations are based on the bandwidth of the port. There are two classes of values. Short (16-bit) values are specified by the IEEE 802.1D specification and range in value from 1 to 65535. Long (32-bit) values are specified by the IEEE 802.1t specification and range in value from 1 to 200,000,000.
  • Page 40 Configures the port cost for an interface. spanning-tree cost port-cost The value of port_cost can be from 1 to 200,000,000 (1 • to 65,535 in Cisco IOS Releases 12.1(2)E and earlier). Example: Router(config-if)# spanning-tree cost 2000 Use the no form of this command to restore the •...
  • Page 41 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Number of transitions to forwarding state: 1 BPDU: sent 0, received 13513 Router# Configuring the Bridge Priority of a VLAN Use the following task to configure the spanning tree bridge priority of a VLAN.

  • Page 42: Configuring Hello Time

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Example Use the show spanning-tree vlan bridge command to verify the bridge priority, as shown below. Router# show spanning-tree vlan 200 bridge brief Hello Max Fwd Vlan Bridge ID...
  • Page 43 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 44 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 45 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Follow these steps to configure the switch as the root.: SUMMARY STEPS enable configure terminal spanning-tree vlan vlaN-ID root primary [diameter hops [hello-time seconds]] no spanning-tree vlan vlan-ID...

  • Page 46: Configuring Mac Table Manipulation

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Router# show spanning-tree vlan 200 <output truncated> Spanning tree instance for VLAN 200 does not exist. Router# Configuring MAC Table Manipulation Port security is implemented by providing the user with the option to make a port secure by allowing only well-known MAC addresses to send in data traffic.
  • Page 47 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 48 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 49 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring and Verifying the Aging Timer The aging timer may be configured from 16 seconds to 4080 seconds, in 16-second increments. Follow these steps to configure the aging timer.

  • Page 50: Configuring Cisco Discovery Protocol

    Enabling Cisco Discovery Protocol, page 50 Enabling CDP on an Interface, page 51 • Monitoring and Maintaining CDP, page 52 • Enabling Cisco Discovery Protocol To enable Cisco Discovery Protocol (CDP) globally, use the following commands. SUMMARY STEPS enable configure terminal cdp run show cdp...
  • Page 51 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Example Use the show cdp command to verify the CDP configuration: Router# show cdp Global CDP information: Sending CDP packets every 120 seconds Sending a holdtime value of 180 seconds...

  • Page 52: Monitoring And Maintaining Cdp

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command or Action Purpose Step 5 Returns to privileged EXEC mode. Example: Router(config)# end Step 6 Verifies the CDP configuration on the interface. show cdp interface interface-id Example:...

  • Page 53: Configuring The Switched Port Analyzer (Span)

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable • Enter your password if prompted. Example: Router> enable Step 2 (Optional) Resets the traffic counters to zero.
  • Page 54 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs An EtherSwitch HWIC supports only one SPAN session. Either Tx or both Tx and Rx monitoring is Note supported. Configuring the SPAN Sources Use the following task to configure the source for a SPAN session.
  • Page 55 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command or Action Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.

  • Page 56: Configuring Power Management On The Interface

    AC power source and supply its own power to the voice circuit. When the Cisco 7960 IP phone is supplying its own power, an HWICs can forward IP voice traffic to and from the phone.

  • Page 57: Configuring Ip Multicast Layer 3 Switching

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 5 Returns to privileged EXEC mode. Example: Router(config-if)# end Step 6 Displays power configuration on the ports. show power inline Example: Router# show power inline Example Use the show power inline command to verify the power configuration on the ports, as illustrated below.
  • Page 58 For complete information and procedures, refer to these publications: Cisco IOS IP Configuration Guide, Release 12.2, at this URL: • http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr_c/ Cisco IOS IP Command Reference, Volume 1 of 3: Addressing and Services, Release 12.2, at this • URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipras_r/index.htm Cisco IOS IP Command Reference, Volume 2 of 3: Routing Protocols, Release 12.2, at this URL:...
  • Page 59 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Enabling IP Protocol-Independent Multicast (PIM) on Layer 3 Interfaces You must enable protocol-independent multicast (PIM) on the Layer 3 interfaces before enabling IP multicast Layer 3 switching functions on those interfaces.
  • Page 60 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Verifying IP Multicast Layer 3 Hardware Switching Summary The show interface statistics command does not verify hardware-switched packets, only packets Note switched by software. The show ip pim interface count command verifies the IP multicast Layer 3 switching enable state on IP PIM interfaces and verifies the number of packets received and sent on the interface.

  • Page 61: Configuring Igmp Snooping

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs IP fast switching on the same interface is disabled IP Flow switching is disabled IP CEF switching is enabled IP CEF Fast switching turbo vector IP multicast fast switching is enabled...

  • Page 62: Enabling Or Disabling Igmp Snooping

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Enabling or Disabling IGMP Snooping By default, IGMP snooping is globally enabled on the EtherSwitch HWIC. When globally enabled or disabled, it is also enabled or disabled in all existing VLAN interfaces. By default, IGMP snooping is enabled on all VLANs, but it can be enabled and disabled on a per-VLAN basis.
  • Page 63 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 5 Displays snooping configuration. show ip igmp snooping Example: Router# show ip igmp snooping Step 6 (Optional) Saves your configuration to the startup copy running-config startup-config configuration.
  • Page 64 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 5 Displays snooping configuration. show ip igmp snooping [vlan vlan-id] • (Optional) vlan-id is the number of the VLAN. Example: Router# show ip igmp snooping vlan 1...
  • Page 65 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 3 Enables IGMP Immediate-Leave processing on the VLAN ip igmp snooping vlan vlan-id immediate-leave interface. Example: Router(config)# ip igmp snooping vlan 1 immediate-leave Step 4 Returns to privileged EXEC mode.
  • Page 66 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...

  • Page 67: Configuring A Multicast Router Port

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring a Multicast Router Port Follow the steps below to enable a static connection to a multicast router. SUMMARY STEPS enable configure terminal ip igmp snooping vlan vlan-id mrouter {interface interface-id | learn pim-dvmrp}...

  • Page 68: Configuring Per-Port Storm Control

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 6 Displays Mroute discovery information. show ip igmp snooping mrouter [vlan vlan-id] Example: Router# show ip igmp snooping mroute vlan vlan1 Step 7 (Optional) Saves your configuration to the startup copy running-config startup-config configuration.
  • Page 69 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...
  • Page 70 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs SUMMARY STEPS enable configure terminal interface interface-id no storm-control {broadcast | multicast | unicast} level level-high [level-low] no storm-control action shutdown show storm-control {broadcast | multicast | unicast}...

  • Page 71: Configuring Stacking

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 6 Returns to privileged EXEC mode. Example: Router(config-if)# end Step 7 Verifies your entries. show storm-control [interface] [{broadcast | multicast | unicast | history}] Example:...
  • Page 72 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...

  • Page 73: Configuring Fallback Bridging

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Both stacking partner ports must have their speed and duplex parameters set to auto. Note Caution If stacking is removed, stacked interfaces will go to shutdown state. Other nonstacked ports will be left unchanged.

  • Page 74: Creating A Bridge Group

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Creating a Bridge Group To configure fallback bridging for a set of switched virtual interfaces (SVIs), these interfaces must be assigned to bridge groups. All interfaces in the same group belong to the same bridge domain. Each SVI can be assigned to only one bridge group.

  • Page 75: Preventing The Forwarding Of Dynamically Learned Stations

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 5 Enters interface configuration mode and specifies the interface on interface interface-id which you want to assign the bridge group. • The specified interface must be an SVI: a VLAN interface that you...
  • Page 76 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs show running-config copy running-config startup-config DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.

  • Page 77: Configuring The Bridge Table Aging Time

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Configuring the Bridge Table Aging Time A switch forwards, floods, or drops packets based on the bridge table. The bridge table maintains both static and dynamic entries. Static entries are entered by you. Dynamic entries are entered by the bridge learning process.

  • Page 78: Filtering Frames By A Specific Mac Address

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 5 Verifies your entry. show running-config Example: Router# show running-config Step 6 (Optional) Saves your entry in the configuration file. copy running-config startup-config Example: Router# copy running-config...

  • Page 79: Adjusting Spanning-Tree Parameters

    Poorly planned adjustments can have a negative impact on performance. A good source on switching is the IEEE 802.1d specification; for more information, refer to the “References and Recommended Reading” appendix in the Cisco IOS Configuration Fundamentals Command Reference, Release 12.2.
  • Page 80 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs SUMMARY STEPS enable configure terminal bridge bridge-group priority number show running-config copy running-config startup-config DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted.
  • Page 81 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Changing the Interface Priority You can change the priority for an interface. When two switches tie for position as the root switch, you configure an interface priority to break the tie. The switch with the lower interface value is elected.
  • Page 82 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 6 Verifies your entry. show running-config Example: Router: show running-config Step 7 (Optional) Saves your entry in the configuration file. copy running-config startup-config Example: Router# copy running-config...

  • Page 83: Adjusting Bpdu Intervals

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 4 Changes the path cost. bridge bridge-group path-costs cost Example: Router(config-if)# bridge 100 pathcost 4 Step 5 Returns to privileged EXEC mode. Example: Router(config-if)# end Step 6 Verifies your entry.
  • Page 84 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs copy running-config startup-config DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 85 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs bridge bridge-group forward-time seconds show running-config copy running-config startup-config DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 86 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs SUMMARY STEPS enable configure terminal bridge bridge-group max-age seconds show running-config copy running-config startup-config DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable • Enter your password if prompted.
  • Page 87 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Disabling the Spanning Tree on an Interface When a loop-free path exists between any two switched subnetworks, you can prevent BPDUs generated in one switching subnetwork from impacting devices in the other switching subnetwork, yet still permit switching throughout the network as a whole.
  • Page 88 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 6 Verifies your entry. show running-config Example: Router: show running-config Step 7 (Optional) Saves your entry in the configuration file. copy running-config startup-config Example: Router# copy running-config...

  • Page 89: Configuring Separate Voice And Data Subnets

    For ease of network administration and increased scalability, network managers can configure the HWICs to support Cisco IP phones such that the voice and data traffic reside on separate subnets. You should always use separate VLANs when you are able to segment the existing IP address space of your branch office.

  • Page 90: Voice Traffic And Vvid

    Network managers should ensure that existing subnets have enough available IP addresses for the • new Cisco IP phones, each of which requires a unique IP address. Administering a network with a mix of IP phones and workstations on the same subnet might pose •...
  • Page 91 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Beginning in privileged EXEC mode, follow these steps to automatically configure Cisco IP phones to send voice and data traffic on the same VLAN. SUMMARY STEPS enable configure terminal...

  • Page 92: Managing The Etherswitch Hwic

    How to Configure EtherSwitch HWICs Managing the EtherSwitch HWIC This section describes how to perform basic management tasks on the HWICs with the Cisco IOS command line interface. You might find this information useful when you configure the switch for the purposed described in the preceding sections.

  • Page 93: Configuring Ip Information

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 3 Enters the trap manager IP address, community string, and the snmp-server host ip-address traps snmp vlan-membership traps to generate. Example: Router(config)# snmp-server host 172.16.128.263 traps1 snmp vlancommunity1 Step 4 Returns to privileged EXEC mode.
  • Page 94 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs ip default-gateway ip-address DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode.
  • Page 95 Specifying a Domain Name and Configuring the DNS Each unique IP address can have a host name associated with it. The Cisco IOS software maintains an EXEC mode and related Telnet support operations. This cache speeds the process of converting names to addresses.

  • Page 96: Enabling Switch Port Analyzer

    Systems is a commercial organization that IP identifies by a com domain name, so its domain name is cisco.com. A specific device in this domain, the FTP system, for example, is identified as ftp.cisco.com. To track domain names, IP has defined the concept of a domain name server (DNS), the purpose of which is to hold a cache (or database) of names mapped to IP addresses.
  • Page 97 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 1 Enables privileged EXEC mode. enable • Enter your password if prompted. Example: Router> enable Step 2 Enters global configuration mode. configure terminal Example: Router# configure terminal Step 3 Enables port monitoring for a specific session (“number”).

  • Page 98: Managing The Arp Table

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 3 Disables port monitoring for a specific session. no monitor session session-id Example: Router(config)# no monitor session 37 Step 4 Returns to privileged EXEC mode.
  • Page 99 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Router# show mac-address-table Destination Address Address Type VLAN Destination Port ------------------- ------------ ---- -------------------- 000a.000b.000c Secure FastEthernet0/1/8 000d.e105.cc70 Self Vlan1 00aa.00bb.00cc Static FastEthernet0/1/0 Understanding MAC Addresses and VLANs All addresses are associated with a VLAN.

  • Page 100: Removing Dynamic Addresses

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...

  • Page 101: Adding Secure Addresses

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...
  • Page 102 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...

  • Page 103: Configuring Static Addresses

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 3 Enters the secure MAC address, its associated port, and no mac-address-table secure hw-addr vlan vlan-id the VLAN ID to be removed. Example: Router(config)# no mac-address-table secure address 0100.5e05.0505 vlan vlan 1...
  • Page 104 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs DETAILED STEPS Command Purpose Step 1 Enables privileged EXEC mode. enable Enter your password if prompted. • Example: Router> enable Step 2 Enters global configuration mode. configure terminal...

  • Page 105: Clearing All Mac Address Tables

    Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards How to Configure EtherSwitch HWICs Command Purpose Step 3 Enters the static MAC address, the interface, and the VLAN ID no mac-address-table static hw-addr [interface] interface id [vlan] vlan-id of the port to be removed.

  • Page 106: Configuration Examples For Etherswitch Hwics

    • Range Macro Definition: Example, page 106 • Single Range Configuration: Example The following example shows all Fast Ethernet interfaces on an HWIC-4ESW in slot 2 being reenabled: Router(config)# interface range fastEthernet 0/3/0 - 8 Router(config-if-range)# no shutdown Router(config-if-range)# *Mar 21 14:01:21.474: %LINK-3-UPDOWN: Interface FastEthernet0/3/0, changed state to up...
  • Page 107 0/partner-slot/partner-port needs to be executed for only one of the stacked ports. The other port will be automatically configured as a stacking port by the Cisco IOS software. The command no shutdown, however, must be executed for both of the stacked ports.
  • Page 108 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs VLAN Configuration: Example The following example shows how to configure inter-VLAN routing: Router# vlan database Router(vlan)# vlan 1 Router(vlan)# vlan 2 Router(vlan)# exit Router# configure terminal Router(config)# interface vlan 1 Router(config-if)# ip address 10.1.1.1 255.255.255.0...
  • Page 109 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs Spanning Tree: Examples • Spanning-Tree Interface and Spanning-Tree Port Priority: Example, page 109 Spanning-Tree Port Cost: Example, page 109 • Bridge Priority of a VLAN: Example, page 110 •...
  • Page 110 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs Router# show run interface fastethernet0/3/2 Building configuration... Current configuration: 140 bytes interface FastEthernet0/3/2 switchport access vlan 20 no ip address spanning-tree vlan 20 port-priorityy 64 spanning-tree cost 18...
  • Page 111 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs Router(config)# end Router# Spanning Tree: Examples The following example shows spanning tree being enabled on VLAN 20: Router# configure terminal Router(config)# spanning-tree vlan 20 Router(config)# end Router# Because spanning tree is enabled by default, issuing a show running command to view the resulting Note configuration will not display the command you entered to enable spanning tree.
  • Page 112 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs SPAN Source Configuration: Example The following example shows SPAN session 1 being configured to monitor bidirectional traffic from source interface Fast Ethernet 0/1/1: Router(config)# monitor session 1 source interface fastethernet 0/1/1...
  • Page 113 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs Building configuration... Current configuration :82 bytes interface Vlan2 ip address 192.168.5.90 255.255.255.0 ip pim sparse-mode Router# Router# show ip igmp group IGMP Connected Group Membership Group Address Interface...
  • Page 114 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs (*, 209.165.200.2282), 01:06:43/00:02:18, RP 0.0.0.0, flags:DC Incoming interface:Null, RPF nbr 0.0.0.0 Outgoing interface list: Vlan1, Forward/Sparse, 01:06:40/00:02:18 Vlan2, Forward/Sparse, 01:06:43/00:02:16 Router# Storm-Control: Example The following example shows bandwidth-based multicast suppression being enabled at 70 percent on...
  • Page 115 Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Configuration Examples for EtherSwitch HWICs interface Vlan 150 description voice vlan ip address 209.165.200.227 255.255.255.0 ip helper-address 209.165.200.228 (See Note below) interface Vlan 50 description data vlan ip address 209.165.200.220 255.255.255.0 This configuration instructs the IP phone to generate a packet with an 802.1Q VLAN ID of 150 with an 802.1p value of 5 (default for voice bearer traffic).

  • Page 116: Additional References

    Using a separate subnet, and possibly a separate IP address space, may not be an option for Note some small branch offices due to the IP routing configuration. If the IP routing can handle an additional subnet at the remote branch, you can use Cisco Network Registrar and secondary addressing. Additional References The following sections provide references related to EtherSwitch HWICs.

  • Page 117: Command Reference

    12.3(8)T4 or a later release appear in the table. Not all commands may be available in your Cisco IOS software release. For release information about a specific command, see the command reference documentation.
  • Page 118 Feature Information for the Cisco HWIC-4ESW and the Cisco HWIC-D-9ESW EtherSwitch Cards Cisco IOS software images are specific to a Cisco IOS software release, a feature set, and a platform. Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support.

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