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 :: Mailing Lists

[ILUG] network card problems

[ILUG] network card problems

Christian van den Bosch cjb at cjb.ie
Mon Jul 4 16:17:46 IST 2005


Nils Olofsson wrote:

> Nope, It was using the old card(same cable) for 6 months before the 
> problems started. its only when i started using 2.6.X.x kernels that
> its really been a problem.

Check the cable, even if you think it's above suspicion. Ethernet
chipsets have a lot of parameters set by drivers which tell them how
fussy to be about link quality. At a minimum, check for correct
continuity on all pairs, no intermittent connections when the cable
is flexed (in particular, make sure the outer sheath is firmly gripped
in both connectors), that the pairs are wired correctly (orange pair on
pins 1+2, green pair on 3+6; the other two are unimportant for 100Mbit
unless you're in an environment with an incredible amount of electrical
noise (arc welders and the like)).

Christian / cjb

http://www.cjb.ie/



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