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.
role restart-only (OPTIONAL) Enter the keywords restart-only to specify the
OSPF router is a restart only during graceful-restart.
Defaults By default, OSPF routers are both helper and restart routers during a graceful restart.
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 Added support for Multi-Process OSPF. Added Restart and
Helper roles support on the S-Series.
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.
ip ospf auth-change-wait-time
OSPF provides a grace period while OSPF changes its interface authentication type. During the grace period, OSPF
sends out packets with new and old authentication scheme untill the grace period expires.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
ip ospf auth-change-wait-time seconds
To return to the default, use the no ip ospf auth-change-wait-time command.
Parameters
seconds
Enter the seconds. The range is 0 to 300.
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