HP FlexNetwork 7500 Series Configuration Manual page 264

Use the display acl ipv6 command to verify that the configured IPv6 ACL meets the IPv6
1.
multicast group policy requirements.
Use the display this command in MLD-snooping view or in a corresponding interface view to
2.
verify that the correct IPv6 multicast group policy has been correctly applied. If the applied IPv6
multicast group policy is not correct, use the group-policy or mld-snooping group-policy
command to apply the correct IPv6 multicast group policy.
Use the display mld-snooping command to verify that dropping unknown IPv6 multicast data
3.
is enabled. If this feature is not enabled, use the drop-unknown or mld-snooping
drop-unknown command to enable this feature.
If the problem persists, contact Hewlett Packard Enterprise Support.
4.
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