Administrator Guide

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,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
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.
Z9000
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 from 0 to 300.
Defaults zero (0) seconds.
Command
Modes
INTERFACE
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Open Shortest Path First (OSPFv2 and OSPFv3)
1131