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CLI-based Configuration Guide - Reliability

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides guidance for configuring reliability services, including interface backup, BFD, VRRP, and EFM.
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Configuring Static BFD with Automatically Negotiated Discriminators

Configuring Static BFD with Automatically Negotiated Discriminators

Pre-configuration Tasks

When the remote device uses dynamic BFD and the local device wants to communicate with the remote device and detect static routes, you can create a BFD session with automatically negotiated discriminators. This function applies to networks that use static routes to implement Layer 3 connectivity.

Before configuring a BFD session with automatically negotiated discriminators, complete the following task:

  • Configure an IP address for the Layer 3 interface.

Configuration Process

Figure 6-17  Configuring static BFD with automatically negotiated discriminators

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bfd

    BFD is enabled globally and the BFD view is displayed.

    By default, BFD is disabled globally.

  3. Run quit

    Return to the system view.

  4. Perform the following step as required to configure BFD for IPv4 or BFD for IPv6.

    • To configured BFD for IPv4,

      Run bfd session-name bind peer-ip ip-address [ vpn-instance vpn-name ] [ interface interface-type interface-number ] source-ip ip-address auto

      A BFD session with automatically negotiated discriminators is created.

      By default, BFD binding is not created.

      NOTE:
      • You must specify a source IP address.

      • You must specify the peer IP address, which cannot be a multicast IP address.

    • To configure BFD for IPv6,

      Run bfd bfd-name bind peer-ipv6 peer-ipv6 [ vpn-instance vpn-instance-name ] [ interface interface-type interface number ] source-ipv6 ipv6-address auto

      A static BFD for IPv6 session with automatically negotiated discriminators is set up.

      By default, static BFD for IPv6 session with automatically negotiated discriminators is not created.

      NOTE:
      • You must specify a source IPv6 address.

      • You must specify the peer IPv6 address.

  5. Run commit

    The configuration is committed.

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Updated: 2019-08-12

Document ID: EDOC1100034076

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