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S12700 V200R013C00 Configuration Guide - Reliability

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, NSR Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, MAC Swap Loopback Configuration, EFM Configuration, CFM Configuration, Y.1731 Configuration.

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(Optional) Configuring a Receiving Device to Ignore Remote Loopback Requests

(Optional) Configuring a Receiving Device to Ignore Remote Loopback Requests

Context

If an interface is in loopback state, the interface loops back all received traffic, causing service interruption and allowing attacks. To solve these problems, configure the local device to ignore remote loopback requests.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run efm loopback ignore-request

    The interface is configured to ignore remote loopback requests.

    By default, the local device processes remote loopback requests.

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Updated: 2019-04-08

Document ID: EDOC1100065654

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