Date: Thu, 19 Aug 2004 09:42:33 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Jeffrey Katcher <jmkatcher@yahoo.com> Cc: freebsd-current@freebsd.org Subject: Re: Lots of collisions on em0 Message-ID: <20040819144233.GA74594@dan.emsphone.com> In-Reply-To: <20040818162215.30029.qmail@web41105.mail.yahoo.com> References: <20040818162215.30029.qmail@web41105.mail.yahoo.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In the last episode (Aug 18), Jeffrey Katcher said: > My network performance is a little spotty under -current lately so I > looked at netstat -i: > > netstat -i > Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll > em0 0 <Link#1> 00:0d:60:2d:b0:c2 0 5722 0 0 5803493 > em0 0 192.168.168 clio 6445 - 5680 - - > lo0* 0 <Link#2> 0 0 0 0 0 > lo0* 0 your-net localhost 0 - 0 - - > > With only a short uptime, I'm seeing insane numbers of collisions on > em0, which is connected via a known-good cable to a known-good switch > which shows no collisions on any of its ports. Is there something > going on with the em driver? Sounds like your netstat binary is out of sync with your kernel. Ipkts and Opkts for your two em0 lines should be almost the same, and you can't have collisions with no Opkts. -- Dan Nelson dnelson@allantgroup.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040819144233.GA74594>