ethernet Interface haywire ???

brent brent at
Wed Feb 15 17:58:23 PST 2006

Thanks--the server has em (intel gigabit) nics. Have you seen this on any 
specific version of FreeBSD and *hopefully* not on others (e.g. RELENG_6_0)? 


Danial Thom writes: 

> I've seen it happen when the ethernet device gets
> a bus error and throws it into some strange
> state. I've seen it mostly with on-board intel
> devices (fxp), but thats what we use mostly so it
> may not be part specific. 
> DT 
> --- brent <brent at> wrote: 
>> Has anyone run into this scenario where a BSD
>> Box (RELENG_5_4) takes down
>> the whole subnet for only FreeBSD boxes.
>> Here’s the scenario: One of my
>> web servers goes into a crazy state which kills
>> all traffic on the network
>> for only FreeBSD boxes.  Linux boxes can talk
>> to other linux boxes, but
>> FreeBSD boxes are dead. You can ping a FreeBSD
>> box (from linux) but services
>> such as SSH go half-way and never completely
>> connect. Other services such as
>> http don’t work either.  Rebooting that
>> offending box fixes the problem.
>> I’ve seen this once it a great moon; however,
>> it recently happened two
>> days in a row. Any suggestions would be
>> appreciated.  I have other
>> RELENG_5_4 and RELENG_6_0 boxes that don’t
>> seem to be the culprit, as well
>> as an identical hardware box running
>> RELENG_6_0. Thanks. 
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