Show ip ospf range – Dell POWEREDGE M1000E User Manual

Page 1135

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OSPF Commands

1135

show ip ospf range

Use the show ip ospf range command in Privileged EXEC mode to display

information about the area ranges for the specified area-id.

Restart Helper

Exit Reason

One of the following values:

• Restart Reason — When the router is in helpful neighbor

mode, the output includes the restart reason the restarting

router sent in its grace LSA. The Restart Reason is the value in

the Graceful Restart Reason TLV in the grace LSA sent by the

restarting router. Possible values for the Restart Reason are

defined in RFC 3623 as follows:
– Unknown (0)
– Software restart (1)
– Software reload/upgrade (2)
– Switch to redundant control processor (3)
– Unrecognized - a value not defined in RFC 3623
When the switch sends a grace LSA, it sets the Restart Reason

to Software Restart on a planned warm restart (when the

initiate failover command is invoked), and to

Unknown on an

unplanned warm restart.

• Remaining Grace Time — The number of seconds remaining

in the current graceful restart interval. This row is only

included if the router is currently acting as a restart helper for

the neighbor.

• Restart Exit Reason — One of the following:

– None — graceful restart has not been attempted
– In Progress — restart is in progress
– Completed — the previous graceful restart completed

successfully

– Timed Out — the previous graceful restart timed out
– Topology Changed — The previous graceful restart

terminated prematurely because of a topology change. A

helpful neighbor declares a topology change when it

forwards a changed LSA to the restarting router. An LSA is

considered changed if its contents are changed, not if it is

simply a periodic refresh.

Field

Description

2CSPC4.XModular-SWUM200.book Page 1135 Thursday, March 10, 2011 11:18 AM

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