Ipv6 Multicast Group Filter Does Not Work - HP 5920 series Configuration Manual

IPv6 multicast group filter does not work

Symptom
Hosts can receive multicast data from IPv6 multicast groups that are not permitted by the IPv6 multicast
group filter.
Analysis
The IPv6 ACL is incorrectly configured.
•
The IPv6 multicast group filter is not correctly applied.
•
The function of dropping unknown IPv6 multicast data is not enabled, so unknown IPv6 multicast
•
data is flooded.
Solution
Use the display acl ipv6 command to verify that the configured IPv6 ACL satisfies the IPv6 multicast
1.
group filter requirements.
Use the display this command in MLD-snooping view or in a corresponding interface view to verify
2.
that the correct IPv6 multicast group filter has been applied. If not, use the group-policy or
mld-snooping group-policy command to apply the correct IPv6 multicast group filter.
Use the display mld-snooping command to verify that the function of dropping unknown IPv6
3.
multicast data is enabled. If not, use the mld-snooping drop-unknown command to enable
dropping unknown IPv6 multicast data.
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