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IGMP Snooping Configuration Guidelines

To configure Internet Group Management Protocol (IGMP) snooping, include the igmp-snooping statement:

igmp-snooping {
immediate-leave;
interface interface-name {
group-limit limit;
host-only-interface;
immediate-leave;
multicast-router-interface;
static {
group ip-address;
group ip-address {
source ip-address;
}
}
}
proxy-mode {
source-address ip-address;
}
query-interval seconds;
query-last-member-interval seconds;
query-response-interval seconds;
robust-count number;
vlan vlan-id {
immediate-leave;
interface interface-name {
group-limit limit;
host-only-interface;
immediate-leave;
multicast-router-interface;
static {
group ip-address;
group ip-address {
source ip-address;
}
}
}
proxy-mode {
source-address ip-address;
}
query-interval seconds;
query-last-member-interval seconds;
query-response-interval seconds;
robust-count number;
}
}

You can include this statement at the following hierarchy levels:

By default, IGMP snooping is not enabled. Statements configured at the VLAN level apply only to that particular VLAN.

This chapter describes the following tasks for configuring IGMP snooping:


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