Unicast Routing
20-40
20
Displaying Information on Border Routers
You can display entries in the local routing table for Area Border Routers (ABR) and
Autonomous System Boundary Routers (ASBR) known by this device.
Field Attributes
• 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.
• Rte Type – 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 times the shortest path first algorithm has been executed
for this route.
Web - Click Routing Protocol, OSPF, Border Router Information.
Figure 20-17 OSPF Border Router Information
CLI - This example shows one router that serves as both the ABR for the local area
and the ASBR for the autonomous system.
Console#show ip ospf border-routers 42-40
Destination Next Hop Cost Type RteType Area SPF No
--------------- --------------- ------ ----- -------- --------------- -------
10.2.44.5 10.2.44.88 1 ABR INTRA 0.0.0.1 5
10.2.44.5 10.2.44.88 1 ASBR INTER 0.0.0.1 5
Console#