Configuring Layer 2 Multicast
Configuration Examples
Configuration Guide
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10 vlan10 active
Gi1/0/1, Gi1/0/2, Gi1/0/3, Gi1/0/4
Show status of IGMP Snooping globally, on the ports and in the multicast VLAN:
Switch(config)#show ip igmp snooping
IGMP Snooping :Enable
Unknown Multicast :Pass
Last Query Times :2
Last Query Interval :1
Global Member Age Time :260
Global Router Age Time :300
Global Report Suppression :Disable
Global Authentication Accounting:Disable
Enable Port:Gi1/0/1-4
Enable VLAN:Multicast VLAN 10
5.3 Example for Configuring Unknown Multicast and Fast Leave
5.3.1 Network Requirement
A user experiences lag when he is changing channel on his IPTV. He wants solutions to
this problem. As shown in the following network topology, port 1/0/4 on the switch is
connected to the upper layer network, and port 1/0/2 is connected to Host B.