.. _example_protocols_bgp_neighbor_bfd:

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Bfd
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Scenario to verify BGP with BFD (Bidirectional Forwarding Detection) for fast failure detection.
BFD provides sub-second detection of link or neighbor failures, allowing BGP to react
much faster than using BGP keepalive timers alone (which typically take tens of seconds).
This test demonstrates BFD with eBGP multihop sessions where DUT0 and DUT1 are separated
by a transit router (DUT2). The test verifies that when BGP traffic is blocked, BFD detects
the failure and tears down the BGP session quickly.

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Test eBGP with BFD
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Description
===========

Test to check eBGP with BFD protocol

Scenario
========

.. include:: bfd/testebgpwithbfd

.. raw:: html

  <hr>

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Test eBGP multihop with BFD
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Description
===========

Test to check eBGP multihop with BFD protocol

Scenario
========

.. include:: bfd/testebgpmultihopwithbfd

.. raw:: html

  <hr>