Administrator Guide

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1091

ipv6 ospf graceful-restart helper-reject

Configure an OSPFv3 interface to not act upon the Grace LSAs that it receives from a restarting OSPFv3 neighbor.

Syntax

ipv6 ospf graceful-restart helper-reject

To disable the helper-reject role, enter no ipv6 ospf graceful-restart helper-reject.

Defaults The helper-reject role is not configured.

Command Modes INTERFACE

Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC

Networking OS Command Line Reference Guide.

Version Description

9.10(0.1) Introduced on the S6010-ON and S4048T-ON.

9.10(0.0) Introduced on the S3148.

9.10(0.0) Introduced on the S6100-ON.

9.8(2.0) Introduced on the S3100 series.

9.8(1.0) Introduced on the Z9100-ON.

9.8(0.0P5) Introduced on the S4048-ON.

9.8(0.0P2) Introduced on the S3048-ON.

9.2(1.0) Introduced on the Z9500.

9.1.(0.0) Introduced on the S4810 and Z9000.

8.4.2.2 Introduced on E-Series.

8.3.19.0 Introduced on the S4820T.

Usage Information

By default, OSPFv3 graceful restart is disabled and functions only in a helper role to help restarting neighbor

routers in their graceful restarts when it receives a Grace LSA.

When configured in a helper-reject role, an OSPFv3 router ignores the Grace LSAs that it receives from a

restarting OSPFv3 neighbor.

The graceful-restart role command is not supported in OSPFv3. When you enable the helper-reject role on an

interface, you reconfigure an OSPFv3 router to function in a “restarting-only” role.

ipv6 ospf hello-interval

Specify the time interval between the hello packets sent on the interface.

Syntax

ipv6 ospf hello—interval seconds

To return to the default time interval, enter no ipv6 ospf hello—interval.

Parameters

seconds

Enter the time interval in seconds as the time between hello packets. The range is from 1

to 65525 seconds.

Defaults 10 seconds (Ethernet).