IP Routing Commands
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show ip ospf border-routers
This command shows entries in the routing table that lead to an Area Border Router
(ABR) or Autonomous System Boundary Router (ASBR).
Command Mode
Privileged Exec
Example
Table4-86 show ip ospf - dis play description
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 s tub
Number of interfaces The number of inter faces 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#
Table4-87 show ip ospf bor der-routers - display description
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)
Area The area from which this route was learned
SPF No The number of tim es the shortest path first algorithm has been execu ted for this
route