CLI 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.
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,
see the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100-ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series. Added support for Multi-
Process OSPF.
7.5.1.0 Introduced on the C-Series.
pre- 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
Open Shortest Path First (OSPFv2 and OSPFv3)
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