Command Line Reference Guide

graceful-restart grace-period
Specifies the time duration, in seconds, that the router’s neighbors continue to advertise the router as
fully adjacent regardless of the synchronization state during a graceful restart.
NOTE: This command enables OSPFv2 graceful restart globally by setting the grace period (in
seconds) that an OSPFv2 router’s neighbors continues to advertise the router as adjacent during a
graceful restart.
S6000
Syntax
graceful-restart grace-period seconds
To disable the grace period, use the no graceful-restart grace-period
command.
Parameters
seconds Time duration, in seconds, that specifies the duration of the
restart process before OSPF terminates the process. The
range is from 40 to 1800 seconds.
Defaults Not Configured
Command
Modes
ROUTER OSPF
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series. Added support for Multi-Process
OSPF.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
Usage
Information
The Helper mode is enabled by default on the device. To enable the restart mode
also on the device, you must configure the grace period using this command. After
you enable restart mode the router advertises the neighbor as fully adjacent during
a restart.
Open Shortest Path First (OSPFv2 and OSPFv3)
985