Date: Mon, 22 May 2000 14:42:28 -0700 From: Kent Stewart <kstewart@3-cities.com> To: Doug Barton <Doug@gorean.org> Cc: Matthew Dillon <dillon@apollo.backplane.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: NFS server problems on 3.4-S, any interest? Message-ID: <3929A9C4.BE273679@3-cities.com> References: <Pine.BSF.4.21.0005221350270.25991-100000@dt051n0b.san.rr.com>
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Doug Barton wrote: > > On Mon, 22 May 2000, Matthew Dillon wrote: > > > :>From the workstation: > > :Name Mtu Network Ipkts Ierrs Opkts Oerrs Coll Drop > > :fxp0 1500 <Link#1> 32102492 0 31653667 0 30900 0 > > : > > :>From the fileserver: > > :Name Mtu Network Ipkts Ierrs Opkts Oerrs Coll Drop > > :xl0 1500 <Link> 32504173 28967 32900227 0 0 0 > > : > > : I did find it a little unusual that I was getting collisions on a > > :crossover cable, but when I looked at the mail archives related to that > > :problem I read that the intel cards are very aggressive packet pushers, > > :and that this isn't all that unusual. The ratio of good packets to > > :collisions seemed healthy enough to not warrant too much concern. > > > > 28967 input errors on xl0? Problem! > > heh... ok, I can take a hint. > > > But the real problem is that you are attempting to do 10BaseT > > full-duplex. Full-duplex operation with 10BaseT is problematic > > at best. Full duplex has good interoperability at 100BaseTX speeds, > > but not at 10BaseT speeds. > > Ok, I learned something new. :) I've had "get another fxp0 and a > real switch" for the home network on my list for a while now, I guess it's > time to move that up a little. > > > Crossover cables work fine, usually, but I personally *never* use them. > > I always throw a switch in between the machines and let it negotiate > > the duplex mode with each machine independantly, plus it gives me nice > > shiny LEDs that tell me what the switch thinks the port is doing as > > a sanity check. > > Yeah, I miss the blinky lights. I went to the x-over cable because > the hub I bought originally was giving me non-stop collisions under > load. It worked really well for about 5 months, then the last couple > months it's given me problems. I'm still learning the whole networking > thing, so I appreciate the insight. I had an fxp0 that the mounting bracket was a little long and the pressure of screwing it down messed things up. I would get 10MB/s out but only 10KB/s into that system. It was dropping 300-700 bytes in some packets. I found out last night that I could remove the screw and it worked just fine. An old 3C905-TX didn't have the problem either but I only got 8-9MB/s. A spare fxp0 also didn't have the problem and it was 11MB/s both directions. Kent > > Doug > -- > "Live free or die" > - State motto of my ancestral homeland, New Hampshire > > Do YOU Yahoo!? > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message -- Kent Stewart Richland, WA mailto:kstewart@3-cities.com http://www.3-cities.com/~kstewart/index.html FreeBSD News http://daily.daemonnews.org/ SETI(Search for Extraterrestrial Intelligence) @ HOME http://setiathome.ssl.berkeley.edu/ Hunting Archibald Stewart, b 1802 in Ballymena, Antrim Co., NIR http://www.3-cities.com/~kstewart/genealogy/archibald_stewart.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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