Sporadic low network performance
Ed Wilts, RHCE
ewilts at ewilts.org
Mon Jan 3 23:06:54 UTC 2005
On 01/03/2005 04:30 PM, redhat-list at demner.com wrote:
> I'm running RHEL ES (kernel version 2.4.21-27.0.1.ELsmp), and have
> sporadic network problems on our production server. 90% of the time the
> transfer rate is 500K/s but 10% it's 15K/s. I don't know if it's my
> network provider or something wrong with the server. The tests on the
> network so far have been inconclusive but points to a server issue.
>
> I'm fast running out of ideas, as is the ISP. Can anyone please please
> please help me resolve this situation?
This really smells like a duplex problem. If you're at 100mbps, force
the interfaces on both ends to be 100 mbps full duplex. Do not rely on
autonegotiation since it will frequently get it wrong.
--
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts at ewilts.org
Member #1, Red Hat Community Ambassador Program
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