Cisco Systems EA6500 Manual De Usuario

21-9

Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E

78-14099-04

Chapter 21 Configuring IGMP Snooping

Configuring IGMP Snooping

Enabling IGMP Snooping

To enable IGMP snooping globally, perform this task:

This example shows how to enable IGMP snooping globally and verify the configuration:

Router(config)# ip igmp snooping

Router(config)# end

Router# show ip igmp interface vlan 200 | include globally

IGMP snooping is globally enabled

Router#

To enable IGMP snooping in a VLAN, perform this task:

This example shows how to enable IGMP snooping on VLAN 200 and verify the configuration:

Router# interface vlan 200

Router(config-if)# ip igmp snooping

Router(config-if)# end

Router# show ip igmp interface vlan 200 | include snooping

IGMP snooping is globally enabled

IGMP snooping is enabled on this interface

IGMP snooping fast-leave is enabled on this interface

IGMP snooping querier is disabled on this interface

Router#

Command

Purpose

Step 1

Router(config)# ip igmp snooping

Enables IGMP snooping.

Router(config)# no ip igmp snooping

Disables IGMP snooping.

Step 2

Router(config)# end

Exits configuration mode.

Step 3

Router# show ip igmp interface vlan vlan_ID |

include globally

Verifies the configuration.