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

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## Configure the Port-Purge Interval

The default for this feature is 260 seconds. In this example, the port-purge interval is 130 seconds.

1. Configure the port-purge interval.

       SEFOS# configure terminal
       SEFOS(config)# ipv6 mld snooping port-purge-interval 130
       SEFOS(config)# end

   If an entry is learned on the forwarding database, after an interval of 130 seconds, the entry is removed from the forwarding database.

2. View the configuration.

       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 5 seconds
       Group specific query interval is 2 seconds
       Reports are forwarded on router ports
       Group specific query retry count is 2

   The following output is displayed prior to the configuration of the port-purge interval.

       SEFOS# show ipv6 mld snooping forwarding-database

        Vlan  MAC-Address          Ports
        ----  -----------------    -----
           4  33:33:00:01:00:01    Ex0/1

   After 130 seconds, the output will be null. Executing the `show` command in this manner generates no output.

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