Chapter 29
| IP Routing Commands
Open Shortest Path First (OSPFv2)
– 868 –
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).
Syntax
show ip ospf [process-id] border-routers
process-id - The ID of the router process for which information will be
displayed. (Range: 1-65535)
Command Mode
Privileged Exec
Example
Console#show ip ospf border-routers
OSPF process 1 internal Routing Table
Codes: i - Intra-area route, I - Inter-area route
i 192.168.0.3 [1] via 192.168.0.3, vlan1, ABR, ASBR, Area 0.0.0.0
Console#
Number of LSA
originated
The number of new link-state advertisements that have been originated.
Number of LSA
received
The number of link-state advertisements that have been received.
Number of areas
attached to this
router
The number of configured areas attached to this router.
Number of
interfaces in this
area is
The number of interfaces attached to this area
Number of fully
adjacent
neighbors in this
area is
The number of neighbors for which the exchange of recognition protocol
messages has been completed and are now fully adjacent
Area has (no)
authentication
Shows whether or not the authentication has been enabled
SPF algorithm
last executed
The last time the shortest path first algorithm was executed
SPF algorithm
executed x times
The number of times the shortest path first algorithm has been executed for this
area
Number of LSA The number of new link-state advertisements that have been originated.
Checksum The sum of the link-state advertisements' LS checksums contained in this area's
link-state database.
Table 168: show ip ospf - display description (Continued)
Field Description
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