Configuring Igmp Snooping - Cisco WS-SUP32-GE-3B - Supervisor Engine 32 Software Configuration Manual

Chapter 27 Configuring IGMP Snooping for IPv4 Multicast Traffic
Command
Step 3
Router(config-if)# ip igmp snooping querier
Router(config-if)# no ip igmp snooping querier
Step 4
Router(config-if)# end
Step 5
Router# show ip igmp interface vlan vlan_ID |
include querier
This example shows how to enable the IGMP snooping querier on VLAN 200 and verify the
configuration:
Router# interface vlan 200
Router(config-if)# ip address 172.20.52.106 255.255.255.248
Router(config-if)# igmp snooping querier
Router(config-if)# end
Router# show ip igmp interface vlan 200 | include querier
IGMP snooping querier is enabled on this interface
Router#

Configuring IGMP Snooping

Note To use IGMP snooping, configure a Layer 3 interface in the subnet for multicast routing (see
"Configuring IPv4 Multicast Layer 3
(see the
IGMP snooping allows Catalyst 6500 series switches to examine IGMP packets and make forwarding
decisions based on their content.
These sections describe how to configure IGMP snooping:
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Except for the ip igmp snooping command, all IGMP snooping commands are supported only on VLAN
Note
interfaces.
OL-11439-03
"Enabling the IGMP Snooping Querier" section on page
Enabling IGMP Snooping, page 27-10
Configuring a Static Connection to a Multicast Receiver, page 27-11
Configuring a Multicast Router Port Statically, page 27-11
Configuring the IGMP Snooping Query Interval, page 27-11
Enabling IGMP Fast-Leave Processing, page 27-12
Configuring Source Specific Multicast (SSM) Mapping, page 27-12
Configuring IGMPv3 Explicit Host Tracking, page 27-13
Displaying IGMP Snooping Information, page 27-14
Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY
Purpose
Enables the IGMP snooping querier.
Disables the IGMP snooping querier.
Exits configuration mode.
Verifies the configuration.
Switching") or enable the IGMP snooping querier in the subnet
Configuring IGMP Snooping
Chapter 25,
27-8).
27-9