H3C Technologies H3C S3100 Series Switches - Manual (Page 255)

Operation Manual – Multicast
H3C S3100-52P Ethernet Switch Chapter 2 IGMP Snooping Configuration
2-18
z
Use the display igmp-snooping group command to check if the multicast groups
are expected ones.
z
If the multicast group set up by IGMP Snooping is not correct, contact your
technical support personnel.
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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.
z
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.
z
If they are not consistent, contact your technical support personnel.