When a CE device is connected to the same VPLS site on more than one PE router, include the multi-homing statement on all associated PE routers. Configuration of this statement tracks BGP peers. If no BGP peer is available, VPLS deactivates all active interfaces for a site. To specify that the PE router is part of a multihomed VPLS site, include the multi-homing statement:
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multi-homing;
You can configure this statement at the following hierarchy levels:
Include the multi-homing statement on all PE routers associated with a particular VPLS site.