Enabling Ipv4 Is-Is Auto Frr - Huawei Quidway NetEngine80E Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
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Data Preparation
To configure IS-IS Auto FRR, you need the following data.
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7.11.2 Enabling IPv4 IS-IS Auto FRR

IS-IS can create the loop-free backup route only when the interface cost is in compliance with
the traffic protection inequality of IS-IS Auto FRR.
Context
Perform the following steps on the router that needs the protection for the forwarded traffic:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
isis [ process-id ]
The IS-IS process is enabled and the IS-IS view is displayed.
Step 3 Run:
frr
The IS-IS FRR view is displayed.
Step 4 (Optional) Run:
frr-policy route route-policy route-policy-name
Backup routes are filtered using a filtering policy. Only backup routes that have passed the
filtering policy are added to the routing table.
Step 5 Run:
loop-free-alternate [ level-1 | level-2 | level-1-2 ]
IS-IS Auto FRR is enabled and the loop-free backup route is created.
If the IS-IS level is not specified, IS-IS Auto FRR is enabled on Level-1 and Level-2 to create
the backup route.
Issue 02 (2014-09-30)
Configuring IP addresses for interfaces to make neighboring nodes reachable at the network
layer
Configuring Basic IPv4 IS-IS Functions
Configuring the link cost to ensure that the backup path is the sub-optimal route.
Data
IS-IS process ID
Interface to be enabled with IS-IS Auto FRR
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7 IS-IS Configuration
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