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Command Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R002C50

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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ipv6 frr (VPN instance IPv6 address family view)

ipv6 frr (VPN instance IPv6 address family view)

Function

The ipv6 frr command enables IPv6 FRR of a private network in the VPN instance IPv6 address family view.

The undo ipv6 frr command disables IPv6 FRR of a private network in the VPN instance IPv6 address family view.

By default, IPv6 FRR of a private network is disabled in the VPN instance IPv6 address family view.

NOTE:

CE6810LI series do not support this command.

Format

ipv6 frr

undo ipv6 frr

Parameters

None

Views

VPN instance IPv6 address family view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

When there are private network routes generated by multiple types of routing protocols in a VPN instance enabled with the IPv6 address family, the ipv6 frr command can be used to enable IPv6 FRR to immediately switch traffic among routes and ensure the normal forwarding of traffic if certain routes are faulty.

Prerequisites

The ip vpn-instance command has been executed to create a VPN instance

Configuration Impact

After the ipv6 frr command is run, the system automatically selects an inactive route as the backup of an active route.

Precautions

The ipv6 frr enables routes of different routing protocols to back up each other. A routing loop may occur during a switchover between routes. Therefore, exercise caution when using this command.

Example

# Enable IPv6 FRR of a private network in a VPN instance.

<HUAWEI> system-view
[~HUAWEI] ip vpn-instance vpn1
[*HUAWEI-vpn-instance-vpn1] ipv6-family
[*HUAWEI-vpn-instance-vpn1-af-ipv6] route-distinguisher 100:1
[*HUAWEI-vpn-instance-vpn1-af-ipv6] ipv6 frr
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Updated: 2019-03-21

Document ID: EDOC1000166501

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