Configure the ABR Type

This procedure sets the ABR type as either standard, Cisco, or IBM.

1. Enter Global Configuration mode in SEFOS1.

   SEFOS# configure terminal
   

2. Enable OSPF globally in the switch SEFOS1.

   SEFOS(config)# router ospf
   

3. Configure the OSPF router ID.

   SEFOS(config-router)# router-id 10.10.2.1
   

4. Enable OSPF over the VLAN interface and associate the interface with an OSPF area.

   SEFOS(config-router)# network 10.4.0.1 area 0.0.0.0
   SEFOS(config-router)# network 10.10.2.1 area 0.0.0.6
   

5. Configure the ABR type as Cisco.

   SEFOS(config-router)# abr-type cisco
    
   The default value ABR type is standard.
   SEFOS# show ip ospf
   OSPF Router ID 10.10.2.1
     Supports only single TOS(TOS0) route
     ABR Type supported is Cisco ABR
     It is an Area Border Router
     Number of Areas in this router is 2
     Area is 0.0.0.6
     Number of interfaces in this area is 1
     SPF algorithm executed 3 times
     Area is 0.0.0.0
     Number of interfaces in this area is 1
     SPF algorithm executed 3 times