Advertising the Routes of a PE in the Local AS to the Remote PE

After the routes of the loopback interface on a PE in an AS are advertised to the remote PE in another AS, the MP-EBGP peer relationship is established between PEs.

Procedure

Configure an ASBR to advertise the loopback address of a PE in the local AS to the remote ASBR.
Perform the following steps on each ASBR:
1. Run system-view
  The system view is displayed.
2. Run bgp as-number
  The BGP view is displayed.
3. Run ipv4-family labeled-unicast
  The bgp labeled unicast address family view is displayed.
4. Run network ip-address [ mask | mask-length ]
  The function to advertise the loopback address of a PE in the local AS to the remote ASBR is enabled.
5. Run quit
  Return to the system view.
6. Run commit
  The configuration is committed.
Configure the peer ASBR to import BGP routes to an IGP.
Perform the following steps on the peer ASBR:
1. Run system-view
  The system view is displayed.
2. Run ospf process-id
  The OSPF view is displayed.
3. Run import-route bgp [ cost cost ] [ route-policy route-policy-name ]
  The BGP routes are imported to the IGP.
4. Run quit
  Return to the system view.
5. Run commit
  The configuration is committed.