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Disable the multicast routing protocol on the interfaces that will use the IGMP proxy function.
Multiple downstream interfaces can be specified for a single upstream interface.
[Example]
Set VLAN #2 as an IGMP proxy downstream interface, and set VLAN #3 as an IGMP upstream interface.
SWX3220(config)#interface vlan2
SWX3220(config-if)#ip igmp mroute-proxy vlan3
8.5.17 Set IGMP proxy upstream interface
[Syntax]
ip igmp proxy-service
no ip igmp proxy-service
[Initial value]
none
[Input mode]
interface mode
[Description]
Set the applicable interface as an IGMP proxy upstream interface (multicast router side).
If this command is executed with the "no" syntax, disables the operations of the IGMP proxy as a upstream interface.
[Note]
When using the IGMP proxy function, the following settings should be made.
Enable the multicast routing function using the ip multicast-routing command.
Enable IGMP using the ip igmp command on both upstream and downstream interfaces.
Make sure to configure using this command before setting the downstream interfaces using the ip igmp mroute-proxy
command.
Disable the multicast routing protocol on the interfaces that will use the IGMP proxy function.
Multiple downstream interfaces can be specified for a single upstream interface.
[Example]
Set VLAN #3 as an IGMP proxy upstream interface.
SWX3220(config)#interface vlan3
SWX3220(config-if)#ip igmp proxy-service
8.5.18 Show multicast group information
[Syntax]
show ip igmp groups [ifname] [group] [detail]
[Keyword]
detail : Detailed information
[Parameter]
ifname : Interface name
group : Multicast group address (A.B.C.D)
[Initial value]
none
[Input mode]
unprivileged EXEC mode, privileged EXEC mode
[Description]
Shows the multicast group learned by the IGMP.
392 | Command Reference | IP multicast control