Configuration Guide Configuring IGMP Snooping
In the scenario without Layer-3 multicast equipment, the multicast traffic can be forwarded only on the
Layer-2 network.
A acts as a Layer-2 device to connect to the multicast source and receiver.
 Enable global IGMP snooping on A in IVGL mode.
 Enable IGMP querier for VLAN 1 on A.
A(config)#ip igmp snooping ivgl
A(config)#ip igmp snooping querier
A(config)#ip igmp snooping querier address 10.1.1.1
A(config)#ip igmp snooping vlan 1 querier
Run the show ip igmp snooping querier command to check whether the querier of VLAN 1 takes
effect.
A(config)#show ip igmp snooping querier
Vlan IP Address IGMP Version Port
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1 10.1.1.1 2 switch
A(config)#show ip igmp snooping querier vlan 1
Vlan 1: IGMP switch querier status
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elected querier is 10.1.1.1 (this switch querier)
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admin state : Enable
admin version : 2
source IP address : 10.1.1.1
query-interval (sec) : 60