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Table Of Contents

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.

9.8(0.0) Introduced on the S3048-ON and S4048-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.

S4048–ON

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