From: Johnson, Craig E (Craig.E.Johnson@icn.siemens.com)
Date: Thu Oct 31 2002 - 13:42:34 EST
I have two C240's running 10.20, fully patched, that exhibit bizarre
behaviour problems when running at 100FD. Basically, the throughput is
horrible. We've tried autonegotiate, we've tried hardcoding both host and
switch to 100FD, and many variations. My network folks are saying that this
is a problem with the C240's (which it well could be since other systems
seem to work fine), however, when we hooked two of them together using a
standalone Netgear hub (100HD), the throughput was fine. I recently
obtained a PCI LAN card and installed that, to see if that would make a
difference, but it didn't.
The core switches in our building are Enterasys E7's. I've seen problems
with HP's autonegotiating with these switches in the past, but it was always
correctable by hardcoding both ends to 100HD.
Any ideas folks? I'm running out of them.
Craig Johnson
Systems Administrator/Sr. Engineer
Siemens
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