Date: Sat, 5 May 2001 11:32:28 -0700 From: Michael Han <mikehan@mikehan.com> To: Mike Tancsa <mike@sentex.net> Cc: hardware@freebsd.org Subject: Re: Intel 82562 fxp problem Message-ID: <20010505113228.D39338@giles.mikehan.com> In-Reply-To: <4.2.2.20010505140526.0239ced8@192.168.0.12>; from mike@sentex.net on Sat, May 05, 2001 at 02:07:42PM -0400 References: <1d37ftkfr8gcp1jcg5vu3dosmbbjdn6s31@4ax.com> <20010504140519.A33085@giles.mikehan.com> <SEN.989011534.645154124@news.sentex.net> <1d37ftkfr8gcp1jcg5vu3dosmbbjdn6s31@4ax.com> <20010505101127.B39338@giles.mikehan.com> <4.2.2.20010505140526.0239ced8@192.168.0.12>
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On Sat, May 05, 2001 at 02:07:42PM -0400, Mike Tancsa wrote:
> At 10:11 AM 5/5/2001 -0700, Michael Han wrote:
>
> Or you are picking up broadcast traffic.... what does
>
> ifconfig fxp0
>
> show ? What is the model number of the device you are plugged into ?
Thanks for reminding me to actually *look*, rather than guess. I'm on
a 10Mbps hub.
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet xxx.xxx.xx.x netmask 0xffffff80 broadcast xxx.xxx.xx.xxx
inet6 fe80::203:47ff:fe63:6c94%fxp0 prefixlen 64 scopeid 0x1
ether 00:03:47:63:6c:94
media: autoselect (10baseT/UTP) status: active
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP
And tcpdump(8) definitely captures unicast packets headed other
places. You put a box in a colo and you (or maybe it's just me)
naturally assume it's a fast switch, if not GigE, but I'm on a little
10Mbps hub. Couldn't tell you what make/model hub though -- the box is
3000 miles away. I've never even laid eyes on it. My friend who's
actually been there probably wouldn't know about such things.
Incidentally, here's the output of "netstat -bdI fxp0"
Name Mtu Network Address Ipkts Ierrs Ibytes Opkts Oerrs Obytes Coll Drop
fxp0 1500 <Link#1> 00:03:47:63:6c:94 183299 0 22346953 2600 0 425358 57 0
fxp0 1500 xxx.xxx.xx/25 xxxxxxxx.xxxx.x 183299 0 22346953 2600 0 425358 57 0
fxp0 1500 fe80:1::203 fe80:1::203:47ff: 183299 0 22346953 2600 0 425358 57 0
--
mikehan@mikehan.com http://www.mikehan.com/
coffee achiever San Francisco, California
"And, just like it should in all stories about philosophers, it ended
up in complete chaos." - Richard P. Feynman
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