Administrator 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.
C9000 Series
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 Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
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.
6.1.1.1 Introduced on the E-Series.
graceful-restart helper-reject
Specify the OSPF router to not act as a helper during graceful restart.
C9000 Series
Syntax
graceful-restart helper-reject ip-address
To return to default value, use the no graceful-restart helper-reject command.
Parameters
ip-address Enter the OSPF router-id, in IP address format, of the restart router that will not
act as a helper during graceful restart.
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.
1172 Open Shortest Path First (OSPFv2 and OSPFv3)