Display the status of Internet Group Management Protocol (IGMP) router alert. If you do not specify a VRF name or range of VRF IDs, the results show information for the Global Router. If you do specify a VRF name or range of VRF IDs, the results show information only for the VRFs you specify.
show ip igmp router-alert
show ip igmp router-alert vrf WORD<1-16>
show ip igmp router-alert vrfids WORD<0-512>
None
Privileged EXEC