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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R011C10

This document describes IP Unicast Routing configurations supported by the switch, including the principle and configuration procedures of IP Routing Overview, Static Route, RIP, RIPng, OSPF, OSPFv3, IS-IS(IPv4), IS-IS(IPv6), BGP, Routing Policy ,and PBR, and provides configuration examples.
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(Optional) Disabling an Interface from Being Involved in IPv4 LFA Calculation

(Optional) Disabling an Interface from Being Involved in IPv4 LFA Calculation

Context

To facilitate network management and fault location, you can prevent certain interfaces from participating in the LFA calculation and specify the interfaces that can function as backup outbound interfaces.

Perform the following steps on the IS-IS interface to be disabled from participating in the Loop-Free Alternate (LFA) calculation:

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run undo isis lfa-backup [ level-1 | level-2 | level-1-2 ]

    The interface is disabled from participating in the LFA calculation.

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Updated: 2019-04-01

Document ID: EDOC1000178324

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