Open Shortest Path First (OSPFv2 and OSPFv3) | 1021
graceful-restart mode
c e s
Enable the graceful restart mode.
Syntax
graceful-restart mode [planned-only | unplanned-only]
To disable graceful restart mode, enter no graceful-restart mode.
Parameters
Defaults
Support for both planned and unplanned failures.
Command Modes
ROUTER OSPF
Command
History
graceful-restart role
c e s
Specify the role for your OSPF router during graceful restart.
Syntax
graceful-restart role [helper-only | restart-only]
To disable graceful restart role, enter no graceful-restart role.
Parameters
Defaults
OSPF routers are, by default, both helper and restart routers during a graceful restart.
Command Modes
ROUTER OSPF
Command
History
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.
Version 7.8.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.1.1.1 Introduced on E-Series
role helper-only (OPTIONAL) Enter the keywords helper-only to specify the OSPF router
is a helper only during graceful restart.
role restart-only (OPTIONAL) Enter the keywords restart-only to specify the OSPF
router is a restart only during graceful-restart.
Version 7.8.1.0 Introduced support for Multi-Process OSPF.
Restart and helper roles supported on S-Series
Version 7.7.1 Helper-Role supported on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.1.1.1 Introduced on E-Series
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