#configure terminal | Enter Configure mode. |
(config)#interface eth1 | Enter interface mode. |
(config-if)#ipv6 address 2000::1/64 | Assign IPv6 address to an interface |
(config-if)#ipv6 MLD proxy-service | Enable MLD proxy service on the upstream interface. |
(config-if)#commit | Commit the transaction. |
(config)#exit | Exit Configure mode. |