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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 13

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Configuring Static BFD with Automatically Negotiated Discriminators

Configuring Static BFD with Automatically Negotiated Discriminators

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

Pre-configuration Tasks

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

  • Configuring an IP address for the Layer 3 interface

Configuration Process

Figure 11-18 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. According to whether BFD detects an IPv4 or IPv6 link, perform either of the following operations:

    • Run:

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

      A static BFD session for IPv4 with automatically negotiated discriminators is set up.

      By default, BFD binding is not created.

      • A source address must be configured.
      • The IP address must be an explicit IPv4 address but not a multicast one.
    • Run:

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

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

      By default, BFD binding is not created.

      • A source address must be configured.
      • The IP address must be an explicit IPv6 address but not a multicast one.

  5. Run:

    commit

    The configuration is committed.

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Updated: 2019-12-13

Document ID: EDOC1000041694

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