Configuration Guide Configuring IGMP Snooping
Enable IGMP Snooping on the AC.
Enable global multicast on the AC.
Enable IGMP Snooping in ap-config mode.
Enable multicast-to-unicast conversion in ap-config mode.
Configure the maximum multicast range for multicast-to-unicast conversion in ap-config mode.
Configure the maximum number of multicast profiles that are allowed to support multicast-to-unicast
conversion in ap-config mode.
A(config)#ip igmp snooping ivgl
A(config)#ip multicast wlan
A(config)#ap-confing all
A(config-ap)#igmp snooping
A(config)#igmp snooping mcast-to-unicast enable
A(config-ap)#igmp snooping mcast-to-unicast group-range 233.1.1.1 233.255.255.255
A(config-ap)#igmp snooping mcast-to-unicast max-group 10
Run the show ip igmp snooping command to check whether the configuration takes effect.
A(config)# sh ip igmp snooping
WLAN Multicast: Enable
IGMP Snooping running mode: IVGL
IGMP Snooping M2U-Forward: Enable
IGMP Snooping Support M2U Max-Group Num: 64
IGMP Snooping M2U Group range: 233.3.3.1-233.3.3.64
IGMP Snooping L2-entry-limit: 65536
Source port check: Disable
Source ip check: Disable
IGMP Fast-Leave: Disable
IGMP Report suppress: Disable
IGMP Global Querier: Disable
IGMP Preview: Disable
IGMP Tunnel: Disable
IGMP Preview group aging time : 60(Seconds)
Dynamic Mroute Aging Time : 300(Seconds)
Dynamic Host Aging Time : 260(Seconds)
Common Errors
Multicast packets are not processed because global multicast is not configured.
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