Configuring A Multicast Router Port Statical; Enabling Igmp Immediate-Leave Processing - Cisco 4500M Software Manual

Chapter 18 Configuring IGMP Snooping and Filtering
This example shows how to configure IP IGMP snooping to learn from CGMP self-join packets:
Switch(config)# ip igmp snooping vlan 1 mrouter learn cgmp
Switch(config)# end
Switch#

Configuring a Multicast Router Port Statical

To configure a static connection to a multicast router, enter the ip igmp snooping mrouter command on
the switch.
To configure a static connection to a multicast router, perform this task:
Command
Step 1
Switch(config)# ip igmp snooping vlan vlan_ID
mrouter interface interface_num
Step 2
Switch(config)# end
Step 3
Switch# show ip igmp snooping mrouter vlan vlan_ID
This example shows how to configure a static connection to a multicast router:
Switch(config)# ip igmp snooping vlan 200 mrouter interface fastethernet 2/10
Switch# show ip igmp snooping mrouter vlan 200
vlan
-----+----------------------------------------
200
Switch#

Enabling IGMP Immediate-Leave Processing

When you enable IGMP immediate-leave processing on a VLAN, a switch will remove an interface from
the multicast group when it detects an IGMPv2 leave message on that interface.
For IGMPv3, immediate-leave processing is enabled by default with EHT.
Note
To enable immediate-leave processing on an IGMPv2 interface, perform this task:
Command
Switch(config)# ip igmp snooping vlan
vlan_ID immediate-leave
OL-6696-01
ports
Fa2/10
Purpose
Specifies a static connection to a multicast router for the
VLAN.
The interface to the router must be in the VLAN
Note
where you are entering the command. The router
must be administratively up, and the line
protocol must be up.
Exits configuration mode.
Verifies the configuration.
Purpose
Enables immediate-leave processing in the
VLAN.
This command applies only to IGMPv2
Note
hosts.
Software Configuration Guide—Release 12.2(25)EW
Configuring IGMP Snooping
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