Date: Sun, 29 May 2005 14:27:05 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Imobach Gonz??lez Sosa <imobachgs@banot.net> Cc: freebsd-stable@freebsd.org Subject: Re: Poor network performance: a lot of timeouts Message-ID: <20050529212705.GA64753@xor.obsecurity.org> In-Reply-To: <20050529221024.4fu2p4yjusk04k0g@mail.banot.net> References: <20050529221024.4fu2p4yjusk04k0g@mail.banot.net>
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[-- Attachment #1 --] On Sun, May 29, 2005 at 10:10:24PM +0100, Imobach Gonz??lez Sosa wrote: > Hi all, > > Ok, I'm new to FreeBSD (for second time :)) and I'm getting an strange > behaviour. I don't know if you could help me, but I've to try. I've read the > handbook, manpages and search google for a while, but I don't know how to > solve it. > > I have some machines in my network, connected to Internet with and ADSL line. > All those machines have GNU/Linux systems (and a laptop with Windows). I've > installed FreeBSD recently (5.4) on my desktop machine and it performs badly > in the net. > > I'll explain: I've got a lot of timeouts using fetch, firefox, links, ftp... > etc. I thought that could be a hardware problem, but I connected this box and > my laptop to a hub and, using ethereal (on the laptop), I looked the traffic > searching for troubles. > > And that's what I saw: sometimes, my FreeBSD box sends a package and receive > no answer. Then, it have to wait for timeout and try again... and again... > Sometimes the other peer finally answer, and sometimes not. DNS, HTTP, FTP... > nothing seems to work properly. > > Pretty amazing, huh? Any idea? Something I must know about bsd's TCP/IP? I'm > gonna cry... :( This kind of thing is often caused by duplex mismatch on your NIC. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCmjOpWry0BWjoQKURAhMCAJ9BYGgOu0fVxsWYkM66ie/VyaxFQgCePz86 oLS6gOnyt5lpYHpsCZT24og= =ZSRH -----END PGP SIGNATURE-----
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