Huawei Quidway S3900 Series Operation Manual page 387

Operation Manual – Multicast Protocol
Quidway S3900 Series Ethernet Switches-Release 1510
Use the display igmp-snooping group command to check if the multicast groups
are expected ones.
If the multicast group set up by IGMP Snooping is not correct, contact your
technical support personnel.
Continue with solution 3) if the second step does not work.
If it is not the reason, the possible reason may be:
3) Multicast forwarding tables set up by IGMP Snooping is wrong.
Use the display mac-address vlan command to check whether the MAC
multicast forwarding table set up in the vlan-id VLAN view is consistent with the
one set up by IGMP Snooping.
If they are not consistent, contact your technical support personnel.
Huawei Technologies Proprietary
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Chapter 2 IGMP Snooping Configuration