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## Configure a Static Multicast Router Port

The `ipv6 mld snooping mrouter` command statically configures the router ports for a specified VLAN.

In this example, `VLAN 4` is the VLAN for which the snooping version is configured, and the multicast router ports are 0/4 and 0/5.

1. Specify a static configuration for the multicast router ports.

       SEFOS# configure terminal
       SEFOS(config)# vlan 4
       SEFOS(config-vlan)# ipv6 mld snooping mrouter extreme-ethernet 0/4
       SEFOS(config-vlan)# ipv6 mld snooping mrouter extreme-ethernet 0/5

2. View the configuration.

       SEFOS# show ipv6 mld snooping mrouter

       Vlan   Ports
       -----  ------
         4   Ex0/4(static), Ex0/5(static)

3. Send an MLD v1 query message on port 2.
4. View the configuration in switch A.

       SEFOS# show ipv6 mld snooping mrouter

       Vlan   Ports
       -----  ------
           4  Ex0/2(dynamic), Ex0/4(static), Ex0/5(static)

   Note that router ports will also be learned when they receive a PIM/OSPF message from a router.

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