From ec7d6a506ecae89e5019ce7fcb380a713be28bce Mon Sep 17 00:00:00 2001
From: Michal 'vorner' Vaner <michal.vaner@nic.cz>
Date: Thu, 17 Aug 2017 11:34:25 +0200
Subject: RAdv: Configure how long a dead prefix is advertised

---
 doc/bird.sgml | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'doc/bird.sgml')

diff --git a/doc/bird.sgml b/doc/bird.sgml
index ffd28964..d8dad431 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -3436,6 +3436,12 @@ dsc-iface
 	as a default router. For <cf/sensitive/ option, see <ref id="radv-trigger" name="trigger">.
 	Default: 3 * <cf/max ra	interval/, <cf/sensitive/ yes.
 
+	<tag><label id="radv-iface-linger-time">linger time <m/expr/</tag>
+	When a prefix disappears, it is advertised for some time with 0 lifetime,
+	to inform clients the prefix is no longer usable. This sets the time for
+	how long it is advertised (in seconds). Maximum is 3600, 0 means
+	disable. Default 300.
+
 	<tag><label id="radv-iface-default-preference-low">default preference low|medium|high</tag>
 	This option specifies the Default Router Preference value to advertise
 	to hosts. Default: medium.
-- 
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