Setting a PrefVal for BGP Routes

After PrefVal values are set for routes, the route with the largest PrefVal is preferred when multiple routes to the same destination exist in the BGP routing table.

Procedure

Run system-view
The system view is displayed.
Run bgp as-number
The BGP view is displayed.
Run ipv4-family unicast
The IPv4 unicast address family view is displayed.
Run peer { group-name | ipv4-address } preferred-value preferredvalue
A PrefVal is configured for all the routes learned from a specified peer.

After the peer preferred-value command is run, all the routes learned from a peer have the same PrefVal.
Run commit
The configuration is committed.