API Guide

IGMP immediate leave reduces leave latency by enabling a router to immediately delete the group membership on an interface
after receiving a leave message. Immediate leave does not send group-specific or group-and-source queries before deleting the
entry.
To configure IGMP immediate leave:
OS10# configure terminal
OS10# interface vlan14
OS10(conf-if-vl-14)# ip igmp immediate-leave
Select an IGMP version
OS10 enables IGMP version 3 by default.
If hosts require an IGMP version other than 3, use the following to select a different IGMP version:
OS10# configure terminal
OS10# interface vlan12
OS10(conf-if-vl-12)# ip igmp version 3
View IGMP-enabled interfaces and groups
To view IGMP-enabled interfaces and groups, use the following show commands.
To view IGMP-enabled interfaces:
OS10# show ip igmp interface
Vlan103 is up, line protocol is up
Internet address is 2.1.1.2
IGMP is enabled on interface
IGMP version is 3
IGMP query interval is 60 seconds
IGMP querier timeout is 130 seconds
IGMP last member query response interval is 1000 ms
IGMP max response time is 10 seconds
IGMP immediate-leave is disabled on this interface
IGMP joins count: 0
IGMP querying router is 2.1.1.1
Vlan105 is up, line protocol is up
Internet address is 3.1.1.2
IGMP is enabled on interface
IGMP version is 3
IGMP query interval is 60 seconds
IGMP querier timeout is 130 seconds
IGMP last member query response interval is 1000 ms
IGMP max response time is 10 seconds
IGMP immediate-leave is disabled on this interface
IGMP joins count: 0
IGMP querying router is 3.1.1.1
Vlan121 is up, line protocol is up
Internet address is 121.1.1.2
IGMP is enabled on interface
IGMP version is 3
IGMP query interval is 60 seconds
IGMP querier timeout is 130 seconds
IGMP last member query response interval is 1000 ms
IGMP max response time is 10 seconds
IGMP immediate-leave is disabled on this interface
IGMP joins count: 100
IGMP querying router is 121.1.1.2
782
Multicast