IP R
OUTING
C
OMMANDS
-171

show ip ospf border-routers

Use this command to show entries in the routing table that lead to an Area

Border Router (ABR) or Autonomous System Boundary Router (ASBR).

Command Mode

Privileged Exec

Example
Field Description
Routing Process with ID Router ID
Supports only single TOS (TOS0)
route
Type of service is not supported, so you can only
assign one cost per interface
It is an router type The types displayed include internal, area border, or
autonomous system boundary routers
Number of areas in this router The number of configured areas
Area identifier The area address, and area type if backbone, NSSA or
stub
Number of interfaces The number of interfaces attached to this area
SPF algorithm executed The number of times the shortest path first algorithm
has been executed for this area
Console#show ip ospf border-routers
Destination Next Hop Cost Type RteType Area SPF No
--------------- --------------- ------ ----- -------- ---------------
-------
10.1.1.252 10.1.1.253 0 ABR INTRA 10.1.0.0 3
10.2.6.252 10.2.9.253 0 ASBR INTER 10.2.0.0 7
Console#
Field Description
Destination Identifier for the destination router
Next Hop IP address of the next hop toward the destination
Cost Link metric for this route
Type Router type of the destination; either ABR, ASBR or both
RteType Route type; either intra-area or interarea route (INTRA or INTER)