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Table Of Contents
● View summary information for the OSPF database in EXEC mode.
show ip ospf database
● View the configuration of OSPF neighbors connected to the local router in EXEC mode.
show ip ospf neighbor
● View routes that OSPF calculates in EXEC mode.
show ip ospf routes
View OSPF configuration
OS10# show running-configuration ospf
!
interface ethernet1/1/1
ip ospf 100 area 0.0.0.0
!
router ospf 100
log-adjacency-changes
Debug OSPF
Use the following procedures to debug OSPFv2 and OSPFv3.
● To debug OSPFv2:
debug ip ospfv2
● To debug OSPFv3:
debug ip ospfv3
OSPFv2 commands
area default-cost
Sets the metric for the summary default route generated by the ABR and sends it to the stub area.
Syntax
area area-id default-cost cost
Parameters
● area-id — Enter the OSPF area in dotted decimal A.B.C.D format or enter a number, from 0 to
65535.
● cost — Enter a cost for the stub area’s advertised external route metric, from 0 to 65535.
Default Cost is 1
Command Mode ROUTER-OSPF
Usage
Information
The cost is also referred as reference-bandwidth or bandwidth. Use the area default-cost
command on the border routers at the edge of a stub area. The no version of this command resets
the value to the default.
Example
OS10(conf-router-ospf-10)# area 10.10.1.5 default-cost 10
Supported
Releases
10.2.0E or later
938 Layer 3