86
GigabitEthernet1/0/1(192.168.1.2):
IGMP proxy group records in total: 1
Group address Member state Expires
224.1.1.1 Delay 00:00:02
Troubleshooting IGMP
No membership information on the receiver-side router
Symptom
When a host sends a report for joining multicast group G, no membership information of multicast
group G exists on the router closest to that host.
Solution
To resolve the problem:
1. Use the display igmp interface command to verify that the networking, interface connection,
and IP address configuration are correct.
2. Use the display current-configuration command to verify that multicast routing is enabled. If
it is not enabled, use the multicast routing command in system view to enable IP multicast
routing. In addition, verify that IGMP is enabled on the associated interfaces.
3. Use the display igmp interface command to verify that the IGMP version on the interface is
lower than that on the host.
4. Use the display current-configuration interface command to verify that no multicast group
policies have been configured to filter IGMP reports for multicast group G.
5. If the problem persists, contact Hewlett Packard Enterprise Support.
Inconsistent membership information on the routers on the
same subnet
Symptom
Different memberships are maintained on different IGMP routers on the same subnet.
Solution
To resolve the problem:
1. Use the display current-configuration command to verify the IGMP information on the
interfaces. Make sure the routers on the subnet have the same IGMP settings on their
interfaces.
2. Use the display igmp interface command on all routers on the same subnet to verify the
IGMP-related timer settings. Make sure the settings are consistent on all the routers.
3. Use the display igmp interface command to verify that all routers on the same subnet are
running the same IGMP version.
4. If the problem persists, contact Hewlett Packard Enterprise Support.
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