Routing Commands
306
ProSafe M4100 and M7100 Managed Switches
set long enough to allow the restarting router to reestablish all of its adjacencies and
complete a full database exchange with each of those neighbors.

no nsfrestart-interval

Use this command to revert the grace period to its default value.
nsf helper
Use this command to enable helpful neighbor functionality for the OSPF protocol. You can
enable this functionality for planned or unplanned restarts, or both.

no nsf helper

Use this command to disable helpful neighbor functionality for OSPF.
Default 120 seconds
Format nsf [ietf] restart-interval <1-1800>
Modes OSPF Router Configuration
Parameter Description
ietf This keyword is accepted but not required.
seconds The number of seconds that the restarting router asks its neighbors to wait before
exiting helper mode. The range is from 1 to 1800 seconds.
Format no [ietf] nsf restart-interval
Modes OSPF Router Configuration
Default OSPF might act as a helpful neighbor for both planned and unplanned restarts
Format nsf [ietf] helper [planned-only]
Modes OSPF Router Configuration
Parameter Description
ietf This keyword is accepted but not required.
planned-only This optional keyword indicates that OSPF should only help a restarting router
performing a planned restart.
Format no nsf [ietf] helper
Modes OSPF Router Configuration