Troubleshooting Igmp Relay - Lenovo RackSwitch G8264CS Application Manual

5. Configure a static LAG (portchannel).
6. Enable IGMP.
7. Configure IGMP Relay.

Troubleshooting IGMP Relay

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RS 8264CS(config)# portchannel 1 port 3,4 enable
RS 8264CS(config)# ip igmp enable
RS 8264CS(config)# ip igmp relay vlan 2,5
RS 8264CS(config)# ip igmp relay mrouter 1 address 5.5.5.5 enable
RS 8264CS(config)# ip igmp relay mrouter 2 address 5.5.5.6 enable
RS 8264CS(config)# ip igmp relay enable
RS 8264CS(config)# vlan 2
RS 8264CS(config-vlan)# no flood
RS 8264CS(config-vlan)# exit
RS 8264CS(config)# vlan 5
RS 8264CS(config-vlan)# no flood
RS 8264CS(config-vlan)# exit
This section provides the steps to resolve common IGMP Relay configuration
issues. The topology described in Figure
Multicast traffic from non‐member groups reaches the hosts or the Mrouter

Ensure IPMC flood is disabled.

RS 8264CS(config)# vlan <vlan id>
RS 8264CS(config-vlan)# no flood
Check the egress port's VLAN membership. The ports to which the hosts and

Mrouter are connected must be used only for VLAN 2, VLAN 3, or VLAN 5.
RS 8264CS(config)# show vlan
42 is used as an example.
Chapter 26: Internet Group Management Protocol
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