If you have previously configured MLD reports to forward to all ports, you can restore the default setting to forward MLD reports to only router ports on a VLAN.
SEFOS# configure terminal SEFOS(config)# ipv6 mld snooping report-forward router-ports SEFOS(config)# end
SEFOS# show ipv6 mld snooping globals Snooping Configuration ----------------------------- MLD Snooping globally enabled MLD Snooping is operationally enabled Multicast forwarding mode is MAC based Proxy reporting globally enabled Router port purge interval is 125 seconds Port purge interval is 130 seconds Report forward interval is 8 seconds Group specific query interval is 3 seconds Reports are forwarded on router ports Group specific query retry count is 4