Reference Guide

Open Shortest Path First (OSPFv2) | 1063
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
ip ospf auth-change-wait-time
c e s
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 till the
grace period expires.
Syntax
ip ospf auth-change-wait-time seconds
To return to the default, enter no ip ospf auth-change-wait-time.
Parameters
Version 8.3.7.0 Introduced on S4810
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 8.3.7.0 Introduced on S4810
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
seconds
Enter seconds
Range: 0 to 300