On Tue, Nov 22, 2011 at 9:33 PM, Kees Jan Koster <kjkos...@gmail.com> wrote: > Dear All, > > I am stuck with a machine that shows serious packet loss (about 1% of all > traffic is dropped). I tried the obvious (new network cable, different switch > port, different ethernet interface on the machine), but the problems remain. > > Another machine that sits in the same rack and is hooked up to the same > switch shows no such packet loss issues. The problematic machine is a dual > Opteron with FreeBSD 8.2-STABLE from Thu Aug 11 14:05:47 CEST 2011. > > The machine is lightly loaded. A MySQL slave is running, but the machine is > not serving queries. Plus a Munin server process. > > I am at a loss where to start diagnosing this. Can you advise me where to > look? Are there network buffers that may be overflowing? > --
To check input/output errors and collisions : netstat -in Detailed TCP/IP statistics: netstat -s or netstat -ss Checking Receive and Send Queue : netstat -an -f inet Buffers: netstat -m Adriaan _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"