Try to document the new 4-byte AS numbers without being to invasive.

"people will complain if it's unclear" jmc@

1 files changed, 12 insertions, 2 deletions

diff --git a/usr.sbin/bgpd/bgpd.conf.5 b/usr.sbin/bgpd/bgpd.conf.5
index 7cbc059b5cd..971224d8595 100644
--- a/usr.sbin/bgpd/bgpd.conf.5
+++ b/usr.sbin/bgpd/bgpd.conf.5
@@ -1,4 +1,4 @@
-.\" $OpenBSD: bgpd.conf.5,v 1.84 2007/03/29 13:10:32 claudio Exp $
+.\" $OpenBSD: bgpd.conf.5,v 1.85 2007/04/24 13:45:24 claudio Exp $
 .\"
 .\" Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org>
 .\" Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -88,11 +88,16 @@ There are quite a few settings that affect the operation of the
 daemon globally.
 .Pp
 .Bl -tag -width Ds -compact
-.It Ic AS Ar as-number
+.It Ic AS Ar as-number Op Ar as-number
 Set the local
 .Em autonomous system
 number to
 .Ar as-number .
+If the first AS number is a 4-byte AS it is possible to specifiy a secondary
+2-byte AS number which is used for neighbors which do not support 4-byte AS
+numbers.
+The default for the secondary AS is 23456.
+.Pp
 The AS numbers are assigned by local RIRs, such as:
 .Pp
 .Bl -tag -width xxxxxxxx -compact
@@ -118,6 +123,11 @@ sets the local AS to 65001.
 The AS numbers 64512 \(en 65534 are designated for private use.
 The AS number 23456 is a specially designated Autonomous System Number and
 should not be used.
+4-byte AS numbers are specified as two numbers separated by a dot.
+For example:
+.Bd -literal -offset indent
+AS 3.10
+.Ed
 .Pp
 .It Xo
 .Ic dump