From 692055e3df6cc9f0d428d3b0dd8cdd8e825eb6f4 Mon Sep 17 00:00:00 2001
From: "Ondrej Zajicek (work)" <santiago@crfreenet.org>
Date: Thu, 7 Apr 2022 19:33:40 +0200
Subject: BFD: Add 'strict bind' option

Add BFD protocol option 'strict bind' to use separate listening socket
for each BFD interface bound to its address instead of using shared
listening sockets.
---
 doc/bird.sgml | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'doc/bird.sgml')

diff --git a/doc/bird.sgml b/doc/bird.sgml
index 1d5ae056..9c4a6f68 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -2153,6 +2153,13 @@ protocol bfd [&lt;name&gt;] {
 	to configure separate BFD protocol instances for IPv4 and for IPv6
 	sessions.
 
+	<tag><label id="bfd-strict-bind">strict bind <m/switch/</tag>
+	Specify whether each BFD interface should use a separate listening
+	socket bound to its local address, or just use a shared listening socket
+	accepting all addresses. Binding to a specific address could be useful
+	in cases like running multiple BIRD instances on a machine, each
+	handling a different set of interfaces. Default: disabled.
+
 	<tag><label id="bfd-iface">interface <m/pattern/ [, <m/.../] { <m/options/ }</tag>
 	Interface definitions allow to specify options for sessions associated
 	with such interfaces and also may contain interface specific options.
-- 
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