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<div class="moz-cite-prefix">On 2025-06-11 22:24, Mauricio Oviedo
via ixpmanager wrote:<br>
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<p class="MsoNormal">Hi Everyone, <span lang="ES-TRAD"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="ES-TRAD"><o:p> </o:p></span></p>
<p class="MsoNormal">A recent discussion came about implementing
BFD (Bidirectional Forwarding Detection) for BGP sessions with
IXP members that request it, and I would love to hear from
those who have experience with this.
<span lang="ES-TRAD"><o:p></o:p></span></p>
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<p>Honestly, while I haven't ripped it out, I'm not sure that I'd
add it anew.</p>
<p><br>
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<p class="MsoNormal">Specifically interested in: <span
lang="ES-TRAD"><o:p></o:p></span></p>
<p class="MsoNormal">- Are you currently offering BFD as an
option for member BGP sessions?
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<p>Yes.<br>
</p>
<p><br>
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<p class="MsoNormal"><span lang="ES-TRAD"><o:p></o:p></span></p>
<p class="MsoNormal">- Implementation approach (Bird template
modifications, etc.)
<span lang="EN-US"><o:p></o:p></span></p>
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<p>Template modifications: <a
href="https://github.com/inex/IXP-Manager/pull/854"
class="moz-txt-link-freetext">https://github.com/inex/IXP-Manager/pull/854</a></p>
<p><br>
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<p class="MsoNormal">- What benefits have you and your members
observed? </p>
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<p>None, probably.<br>
</p>
<p><br>
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<p class="MsoNormal">- Any operational challenges or gotchas
during deployment?</p>
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<p>BFD is not reliable with BIRD:</p>
<p><a class="moz-txt-link-freetext" href="https://bird.network.cz/pipermail/bird-users/2023-June/017041.html">https://bird.network.cz/pipermail/bird-users/2023-June/017041.html</a><br>
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<p><br>
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<p class="MsoNormal"><span lang="ES-TRAD"></span></p>
<p class="MsoNormal">- Impact on your route server performance
or stability?</p>
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<p>It doesn't impact the route server per se. But see above.<br>
</p>
<pre class="moz-signature" cols="72">--
Richard</pre>
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