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| Sun Ethernet Fabric Operating System ### VLAN Administration Guide

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## Configure GMRP

To configure GMRP, you must ensure that the following prerequisites are met:

- Interface P3 in switch 1 and switch 2 must be enabled.

- Static multicast entry must be configured.

See Default Settings for the topology for this procedure.

1. Configure the VLAN in switch 1.

       SEFOS# configure terminal
       SEFOS(config)# interface range extreme-ethernet 0/3-4
       SEFOS(config-if)# no shutdown
       SEFOS(config-if)# exit
       SEFOS(config)# vlan 2
       SEFOS(config-vlan)# ports extreme-ethernet 0/3-4
       SEFOS(config-vlan)# exit
       SEFOS(config)# mac-address-table static multicast 01:02:03:04:05:06 vlan 2 interface extreme-ethernet 0/3
       SEFOS(config)# end

2. Configure the VLAN in switch 2.

       SEFOS# configure terminal
       SEFOS(config)# interface extreme-ethernet 0/3
       SEFOS(config-if)# no shutdown
       SEFOS(config-if)# end

3. Review the multicast group entries in switch 1.

       SEFOS# show mac-address-table static multicast
       Static Multicast Table
       -----------------------------
       Vlan           : 2
       Mac Address    : 01:02:03:04:05:06
       Receive Port   :
       Member Ports   : Ex0/3
       Status         : Permanent
       ------------------------------------

       Total Mac Addresses displayed: 1

4. Review the multicast group entries in switch 1.

       SEFOS# show mac-address table
       Vlan    Mac Address               Type     Ports
       -------   -------------------    -------  --------
       1       00:14:4f:6c:61:d1        Learnt   Ex0/3
       1       00:1b:21:53:71:f9        Learnt   Ex0/3
       2       00:14:4f:6c:61:d1        Learnt   Ex0/3
       2       01:02:03:04:05:06        Static   Ex0/3

       Total Mac Addresses displayed: 4

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