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CLI-based Configuration Guide - IP Service

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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Configuring the Device to Process IP Packets with Options

Configuring the Device to Process IP Packets with Options

Context

IP packets can carry route options including the route alert option, route record option, source route option, and timestamp option. These route options are used to diagnose network paths and temporarily transmit special services. These options, however, may be used by attackers to spy on the network structure for initiating attacks. This degrades network security and device performance. To solve this problem, you can perform the following configurations to configure the device to discard the IP packets that contain the route options.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Do as follows according to different route options in IP packets:

    • Run discard ra

      The interface is configured to discard IP packets with route-alert options.

    • Run discard rr

      The interface is configured to discard IP packets with record-route options.

    • Run discard srr

      The interface is configured to discard IP packets with source-route options.

    • Run discard ts

      The interface is configured to discard IP packets with time-stamp options.

    By default, the IP packets carrying route options are processed by the device.

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Updated: 2019-03-06

Document ID: EDOC1100069333

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