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Message-Id: <201202230846.q1N8kegA048799@red.freebsd.org>
Date: Thu, 23 Feb 2012 08:46:40 GMT
From: Jacco van Buuren <jaccovanbuuren@gmail.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: ng_netflow does not work as advertised
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>Number:         165413
>Category:       bin
>Synopsis:       [netgraph]: ngctl(8) does not work as advertised
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-net
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Feb 23 08:50:11 UTC 2012
>Closed-Date:    Wed Mar 21 13:41:51 UTC 2012
>Last-Modified:  Wed Mar 21 13:41:51 UTC 2012
>Originator:     Jacco van Buuren
>Release:        9.0
>Organization:
-
>Environment:
FreeBSD gamma01.andromeda.nebula 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan  3 07:15:25 UTC 2012     root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
# /usr/sbin/ngctl -f- <<-SEQ
>         mkpeer em0: netflow lower iface0
>         name em0:lower netflow
>         connect em0: netflow: upper out0
>         mkpeer netflow: ksocket export inet/dgram/udp
>         msg netflow:export connect inet/10.0.2.15:4444
> SEQ
ngctl: send msg: No such file or directory
ngctl: line 1: error in file


# kldstat
Id Refs Address    Size     Name
 1   11 0xc0400000 e9ece4   kernel
 2    2 0xc2b91000 33000    pf.ko
 3    1 0xc2b89000 3000     pflog.ko
 4    1 0xc2d0c000 4000     ng_socket.ko
 5    2 0xc2d10000 b000     netgraph.ko
 6    1 0xc2da2000 8000     ng_netflow.ko


>How-To-Repeat:
# /usr/sbin/ngctl -f- <<-SEQ
>         mkpeer em0: netflow lower iface0
>         name em0:lower netflow
>         connect em0: netflow: upper out0
>         mkpeer netflow: ksocket export inet/dgram/udp
>         msg netflow:export connect inet/10.0.2.15:4444
> SEQ
ngctl: send msg: No such file or directory
ngctl: line 1: error in file

>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-net 
Responsible-Changed-By: remko 
Responsible-Changed-When: Thu Feb 23 16:28:37 UTC 2012 
Responsible-Changed-Why:  
Reassign to -net team. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=165413 
State-Changed-From-To: open->closed 
State-Changed-By: glebius 
State-Changed-When: Wed Mar 21 13:40:46 UTC 2012 
State-Changed-Why:  
Not a bug. 

The code: 

# ngctl mkpeer em0: netflow lower iface0 

expects presense of em0: node. And you don't have thise node unless 
you have loaded ng_ether(4). 

See ng_ether(4) for details. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=165413 
>Unformatted:
