From owner-freebsd-net@FreeBSD.ORG  Wed Jan 15 06:02:30 2014
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id BE0A232E;
 Wed, 15 Jan 2014 06:02:30 +0000 (UTC)
Received: from people.fsn.hu (people.fsn.hu [195.228.252.137])
 (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 132411B10;
 Wed, 15 Jan 2014 06:02:29 +0000 (UTC)
Received: by people.fsn.hu (Postfix, from userid 1001)
 id 67D5E1294221; Wed, 15 Jan 2014 07:02:27 +0100 (CET)
X-Bogosity: Unsure, tests=bogofilter, spamicity=0.455723, version=1.2.3
X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MF-ACE0E1EA [pR:
 9.2836]
X-CRM114-CacheID: sfid-20140115_07022_009FB2D7 
X-CRM114-Status: Good  ( pR: 9.2836 )
X-DSPAM-Result: Whitelisted
X-DSPAM-Processed: Wed Jan 15 07:02:27 2014
X-DSPAM-Confidence: 0.9930
X-DSPAM-Probability: 0.0000
X-DSPAM-Signature: 52d62473997771253676042
X-DSPAM-Factors: 27, From*Attila Nagy <bra@fsn.hu>, 0.00010, >+the, 0.00081,
 wrote+>, 0.00189, >+>, 0.00323, >+>, 0.00323,
 From*Attila, 0.00438, looks+like, 0.00500, wrote, 0.00520,
 References*fsn.hu>, 0.00583, References*freebsd.org>, 0.00748,
 The+result, 0.00748, can't+find, 0.00748,
 Received*online.co.hu+[195.228.243.99]), 0.00872,
 Received*[195.228.243.99]), 0.00872, Looks, 0.00872,
 Received*online.co.hu, 0.00872, From*Attila+Nagy, 0.00872,
 like+>, 0.00872, Received*(japan.t, 0.00872,
 From*Nagy+<bra, 0.00872,
 Received*(japan.t+online.co.hu, 0.00872,
 John+Baldwin, 0.01000, mtu, 0.01000, mtu, 0.01000,
 Received*japan.t, 0.01000,
 Received*japan.t+online.private, 0.01000,
X-Spambayes-Classification: ham; 0.00
Received: from japan.t-online.private (japan.t-online.co.hu [195.228.243.99])
 by people.fsn.hu (Postfix) with ESMTPSA id A5DD01294212;
 Wed, 15 Jan 2014 07:02:25 +0100 (CET)
Message-ID: <52D62471.9060808@fsn.hu>
Date: Wed, 15 Jan 2014 07:02:25 +0100
From: Attila Nagy <bra@fsn.hu>
MIME-Version: 1.0
To: John Baldwin <jhb@freebsd.org>, freebsd-net@freebsd.org
Subject: Re: Showing CDP info in ifconfig?
References: <52D50065.8060907@fsn.hu> <201401141104.40813.jhb@freebsd.org>
In-Reply-To: <201401141104.40813.jhb@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 15 Jan 2014 06:02:30 -0000

On 01/14/14 17:04, John Baldwin wrote:
> lladvd (for LLDP) implements this by using the information it gleans to set
> the optional description field on an interface.  The result looks like:
>
> igb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>          description: connected to someswitch (eth1/1/3)
> ...
> cxl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>          description: connected to someotherswitch (Eth3)
> ...
>
Looks great, but I can't find it. Could you please give a pointer?

Thanks,