Reference Guide

Version 7.8.1.0 Restart role enabled on the S-Series (Both Helper and
Restart roles now supported on S-Series). Added support for
Multi-Process OSPF.
Version 7.7.1.0 Added Helper-Role support on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
graceful-restart mode
Enable the graceful restart mode.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
graceful-restart mode [planned-only | unplanned-only]
To disable graceful restart mode, use the no graceful-restart mode command.
Parameters
planned-only (OPTIONAL) Enter the keywords planned-only to indicate
graceful restart is supported in a planned restart condition only.
unplanned-only (OPTIONAL) Enter the keywords unplanned-only to indicate
graceful restart is supported in an unplanned restart condition only.
Defaults Support for both planned and unplanned failures.
Command Modes ROUTER OSPF
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.12.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
graceful-restart role
Specify the role for your OSPF router during graceful restart.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
graceful-restart role [helper-only | restart-only]
To disable graceful restart role, use the no graceful-restart role command.
Parameters
role helper-only (OPTIONAL) Enter the keywords helper-only to specify the OSPF
router is a helper only during graceful restart.
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