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| Sun Ethernet Fabric Operating System ### PIMv6 Administration Guide

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## Set the Mode for the PIMv6 Component

You can set the PIMv6 mode to sparse, which routes protocols using shared trees. In a shared tree, sources forward multicast datagrams to a directly connected router (the designated router). The designated router encapsulates the datagram, and unicasts it to an assigned RP router, which then forwards the datagram to members of multicast groups. The default mode is sparse. As of the current release, dense mode is not supported.

1. Enable PIMv6.

       SEFOS# configure terminal
       SEFOS(config-if)# set ipv6 pim enable

2. Enter into PIMv6 component mode for the component.

       SEFOS(config)# ip pim component component_ID

3. Set the mode for the PIMv6 component as Sparse.

       SEFOS(pim-comp)# set mode sparse
       SEFOS(pim-comp)# end

4. Review the PIMv6 mode for the component (1 in this example).

       SEFOS# show ipv6 pim component 1

       PIM Component Information
       ---------------------------
       Component-Id: 1
         PIM Mode: sparse,   PIM Version: 2
         Elected BSR: ::
         Candidate RP Holdtime: 30

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