By default, proxy reporting is enabled. If you have previously disabled the feature, you can re-enable it.
SEFOS# configure terminal SEFOS(config)# ipv6 mld snooping proxy-reporting
SEFOS# show ipv6 mld snooping globals Snooping Configuration ----------------------------- MLD Snooping globally disabled MLD Snooping is operationally disabled Multicast forwarding mode is MAC based Proxy reporting globally enabled Router port purge interval is 125 seconds Port purge interval is 260 seconds Report forward interval is 5 seconds Group specific query interval is 2 seconds Reports are forwarded on router ports Group specific query retry count is 2