Users Guide

Version Description
8.3.11.1 Introduced on the Z9000.
8.3.12.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
pre- 6.1.1.1 Introduced on the E-Series.
graceful-restart role
Specify the role for your OSPF router during graceful restart.
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
This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.12.0 Introduced on the S4810.
7.8.1.0 Added support for Multi-Process OSPF. Added Restart and Helper roles support on
the S-Series.
7.7.1.0 Added Helper-Role support on the S-Series.
7.5.1.0 Introduced on the C-Series.
pre- 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 until the grace period expires.
Syntax
ip ospf auth-change-wait-time seconds
To return to the default, use the no ip ospf auth-change-wait-time command.
Open Shortest Path First (OSPFv2 and OSPFv3) 919