Configuring Layer 2 Multicast
IGMP Snooping Configuration
User Guide
229
Switch(config)#interface range fastEhternet
1/0/1-3
Switch(config-if-range)#ip igmp snooping
Switch(config-if-range)#ip igmp snooping immediate-leave
Switch(config-if-range)#show ip igmp snooping interface gigabitEthernet
1/0/1-3
Port IGMP-Snooping Fast-Leave
----------- ------------------- --------------
Gi1/0/1 enable enable
Gi1/0/2 enable enable
Gi1/0/3 enable enable
Switch(config-if-range)#end
Switch#copy running-config startup-config
2.2.4 Configuring Hosts to Statically Join a Group
Hosts or Layer 2 ports normally join multicast groups dynamically, but you can also
configure hosts to statically join a group.
Follow these steps to configure hosts to statically join a group:
Step 1
configure
Enter global configuration mode.
Step 2
ip igmp snooping vlan-config
vlan-id-list
static
ip
interface { fastEthernet
port-list
|
gigabitEthernet
port-list
| ten-gigabitEthernet
port-list
| port-channel
lag-list
}
vlan-id-list:
Specify the ID or the ID list of the VLAN(s).
ip:
Specify the IP address of the multicast group that the hosts want to join.
port-list
/
lag-list:
Specify the ports that is connected to the hosts. These ports will become
static member ports of the group.
Step 3
show ip igmp snooping groups static
Show the static MLD Snooping configuration.
Step 4
end
Return to privileged EXEC mode.
Step 5
copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to configure port 1/0/1-3 in VLAN 2 to statically join the
multicast group 239.1.2.3:
Switch#configure
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