dc still reporting collisions
Doug White
dwhite at gumbysoft.com
Sat Nov 15 15:09:28 PST 2003
On Sat, 15 Nov 2003, Jos Backus wrote:
> On Sat, Nov 15, 2003 at 05:23:08PM +1000, Andy Farkas wrote:
> > Jos Backus wrote:
> >
> > > Fwiw, I'm seeing the same with tx(4):
> >
> > Looks like a different problem.
>
> Probably. I was commenting on the (relatively) high collision count I'm
> seeing. This is a hub (DSL router) with 2 PC's on it. I have never seen this
> many collisions happening before. Plus I can no longer transfer files from the
> Windows system to the FreeBSD system (even using FTP), something that worked
> flawlessly at least until October 17th. So something is broken. You think it
> could be hardware?
If its a real hub, hubs aren't full duplex.
If its a switch, the switch and PC might not have negoatiated full duplex
properly. Try unplug/replug the cable, or switch to autoselect.
>
> Thanks,
> Jos
>
> > > lizzy:~% ifconfig tx0
> > > tx0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> > > inet 10.0.0.2 netmask 0xffffff00 broadcast 10.0.0.255
> > > inet 10.0.0.10 netmask 0xffffffff broadcast 10.0.0.10
> > > ether 00:e0:29:09:e4:1a
> > > media: Ethernet autoselect (10baseT/UTP)
> > > status: active
> > > lizzy:~% netstat -i
> > > Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
> > > tx0 1500 <Link#1> 00:e0:29:09:e4:1a 154423 1 118093 0 253
> > > tx0 1500 10/24 lizzy 159162 - 122841 - -
> > > tx0 1500 10.0.0.10/32 lizzy-proxy 28 - 28 - -
> > > lo0 16384 <Link#2> 5347 0 5347 0 0
> > > lo0 16384 your-net localhost 442 - 442 - -
> > > lizzy:~%
> >
> > The dc(4) driver currently has an almost 1:1 ratio of packets:collisions.
> > Your tx0 is quite low.
> >
> > Seishi Hiragushi <s-hrgsh at lapis.plala.or.jp> reported this 1.5 months ago:
> >
> > Message-Id: <20030902071657.1e94e2b4.s-hrgsh at lapis.plala.or.jp>
> >
> >
> > --
> >
> > :{ andyf at speednet.com.au
> >
> > Andy Farkas
> > System Administrator
> > Speednet Communications
> > http://www.speednet.com.au/
> >
> >
> >
> >
> > !DSPAM:3fb5d46c649171139613270!
> >
> >
>
>
--
Doug White | FreeBSD: The Power to Serve
dwhite at gumbysoft.com | www.FreeBSD.org
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