Date: Mon, 21 Feb 2000 15:39:14 +0000 (GMT) From: Lloyd Rennie <lloyd@vbc.net> To: Wim Livens <livensw@rc.bel.alcatel.be> Cc: Yusuf Goolamabbas <yusufg@outblaze.com>, freebsd-net@FreeBSD.ORG Subject: Re: Understanding ifconfig output Message-ID: <Pine.BSF.4.05.10002211533070.63343-100000@brunel.uk1.vbc.net> In-Reply-To: <20000221145141.L290@rc.bel.alcatel.be>
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On Mon, 21 Feb 2000, Wim Livens wrote: > On Mon, Feb 21, 2000 at 11:35:04AM -0000, Yusuf Goolamabbas wrote: > > Here's some sample output from one of my machines (3.4-stable) which > > has an Intel EEPro 100 attached to a Bay 350 switch > > > > fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > > <ip address deleted> > > ether 00:90:27:8d:49:7b > > media: autoselect (100baseTX <full-duplex>) status: active > ^^^^^^^^^^^^^^^^^^^^^^^ > This is the info you want---^ > > I don't know what SIMPLEX means, I use the same card in 100Mb > full-duplex and get similar output. Same here. The media autoselects FD, but still the simplex flag is set. *shrug* > What is the recommended way to determine link speed from a machine to > a hub/switch. (e.g A colo provider claims that there is 100 Mbit card > in the box and one would want to verify that) A fairly foolproof method is to make sure there's a fair amount of traffic running in both directions, then do a 'netstat -I fxp0 -w1'. Watch the collisions - if you see any then it's not FD. -- Lloyd Rennie VBCnet GB Ltd lloyd@vbc.net tel +44 (0) 117 929 1316 http://www.vbc.net fax +44 (0) 117 927 2015 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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