From 9ba2798c65c02254ec000ab03a76fbbaae1ddc97 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Fri, 23 Mar 2012 01:17:02 +0100
Subject: Adds krt_metric linux route attribute.

---
 doc/bird.sgml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'doc/bird.sgml')

diff --git a/doc/bird.sgml b/doc/bird.sgml
index 5f478066..5244fc39 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1653,12 +1653,16 @@ are translated to appropriate system (and OS-specific) route attributes.
 We support these attributes:
 
 <descrip>
-	<tag>int <cf/krt_source/</tag> The source of the imported
+	<tag>int <cf/krt_source/</tag> The original source of the imported
 	kernel route.  The value is system-dependent. On Linux, it is
 	a value of the protocol field of the route. See
 	/etc/iproute2/rt_protos for common values.  On BSD, it is
 	based on STATIC and PROTOx flags. The attribute is read-only.
 
+	<tag>int <cf/krt_metric/</tag> The kernel metric of
+	the route.  When multiple same routes are in a kernel routing
+	table, the Linux kernel chooses one with lower metric.
+
 	<tag>ip <cf/krt_prefsrc/</tag> (Linux) The preferred source address.
  	Used in source address selection for outgoing packets. Have to
  	be one of IP addresses of the router.
-- 
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