Users Guide

Layer 3 Routing Commands 1732
Example #1
The following example displays OSPF router information.
console#show ip ospf
Router ID................................ 1.1.1.1
OSPF Admin Mode.......................... Enable
RFC 1583 Compatibility................... Enable
External LSDB Limit...................... No Limit
Exit Overflow Interval................... 0
Spf Delay Time........................... 5
Spf Hold Time............................ 10
Opaque Capability........................ Disable
AutoCost Ref BW.......................... 100 Mbps
Default Passive Setting.................. Disabled
NSF Restart
Interval
The number of seconds a helpful neighbor allows a restarting
router to complete its graceful restart.
NSF Restart Status Whether the router is currently performing a graceful restart.
NSF Restart Age The number of seconds until a graceful restart expires. Only
non-zero when the router is in graceful restart.
NSF Restart Exit
Reason
The reason the previous graceful restart ended. Possible values
are Not attempted, In progress, Completed, Timed out,
Topology change, and Manual clear.
NSF Helper
Support
Whether this router is configured to act as a graceful restart
helpful neighbor. Possible values are: Helper Support Always,
Disabled, or Planned.
NSF Helper Strict
LSA Checking
As a graceful restart helpful neighbor, whether to terminate the
helper relationship if a topology change occurs during a
neighbor's graceful restart.
Redistributing This field is a heading and appears only if you configure the
system to take routes learned from a non-OSPF source and
advertise them to its peers.
Source Shows source protocol/routes that are being redistributed.
Possible values are BGP, connected, RIP, and static.
Tag Shows the decimal value attached to each external route.
Subnets When this option is not configured, OSPF will only redistribute
classful prefixes.
Distribute-List Shows the access list used to filter redistributed routes.