document pflow stuff, Joerg Goltermann <jg@osn.de> with some changes by me

(I am sure jmc will make this even betterer)

1 files changed, 28 insertions, 2 deletions

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index 5789f1a4db9..9e395d4740a 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ifconfig.8,v 1.168 2008/09/07 18:58:35 jmc Exp $
+.\"	$OpenBSD: ifconfig.8,v 1.169 2008/09/09 14:00:51 henning Exp $
 .\"	$NetBSD: ifconfig.8,v 1.11 1996/01/04 21:27:29 pk Exp $
 .\"     $FreeBSD: ifconfig.8,v 1.16 1998/02/01 07:03:29 steve Exp $
 .\"
@@ -31,7 +31,7 @@
 .\"
 .\"     @(#)ifconfig.8	8.4 (Berkeley) 6/1/94
 .\"
-.Dd $Mdocdate: September 7 2008 $
+.Dd $Mdocdate: September 9 2008 $
 .Dt IFCONFIG 8
 .Os
 .Sh NAME
@@ -179,6 +179,7 @@ At least the following devices can be created on demand:
 .Xr lo 4 ,
 .Xr mpe 4 ,
 .Xr pflog 4 ,
+.Xr pflow 4 ,
 .Xr ppp 4 ,
 .Xr pppoe 4 ,
 .Xr sl 4 ,
@@ -422,6 +423,8 @@ interface groups
 .It
 .Xr mpe 4
 .It
+.Xr pflow 4
+.It
 .Xr pfsync 4
 .It
 .Xr pppoe 4
@@ -890,6 +893,29 @@ pseudo-interface, set the MPLS label to
 This value is a 20-bit number which will be used as the MPLS header for
 packets entering the MPLS domain.
 .El
+.\" PFLOW
+.Sh PFLOW
+.Nm ifconfig
+.Ar pflow-interface
+.Op Oo Fl Oc Cm flowdst Ar addr:port
+.Op Oo Fl Oc Cm flowsrc Ar addr
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Cm flowdst Ar addr:port
+set the receiver address and the port for the pflow packets.
+Both must be defined to export pflow data.
+addr is the IP address and port is the port number of the flow collector.
+Pflow data will be sent to this address/port.
+.It Fl flowdst
+unset the receiver address and stop sending pflow data.
+.It Cm flowsrc Ar addr
+set the source IP adress for the pflow packets.
+addr is the IP address used as sender of the UDP packets and may be used to
+identify the source on the pflow collector.
+.It Fl flowsrc
+unset the source address.
+.El
 .\" PFSYNC
 .Sh PFSYNC
 .Nm ifconfig