Example for Configuring Single-hop BFD for Detecting Link Faults

Latest reply: Dec 26, 2016 16:50:51 964 1 0 0

Applicability

This example applies to all versions and AR routers.


Applicable Scenario

As shown in Figure 1, RouterA is directly connected to RouterB through a Layer 3 physical link. Faults on the link between RouterA and RouterB need to be fast detected.

Figure 13-5  Networking diagram for configuring single-hop BFD on a Layer 3 physical link
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Procedure

  1. Configure RouterA.

  2. Configure RouterB.

  3. Verify the configuration.

    After the configuration is complete, run the display bfd session all verbose command on RouterA and RouterB. You can view that a single-hop BFD session is set up and its status is Up.


Configuration Notes

  • When creating a single-hop BFD session for the first time, bind the single-hop BFD session to the peer IP address and the local address.

  • The local discriminator of the local system must be the same as the remote discriminator of the remote system; the remote discriminator of the local system must be the same as the local discriminator of the remote system.

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  • convention:

user_2790689 Created Dec 26, 2016 16:50:51 Helpful(0) Helpful(0)

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  • x
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