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 :: Mailing Lists

[ILUG] Linux and the 3c5x9 card - strange one

[ILUG] Linux and the 3c5x9 card - strange one

Vincent Cunniffe vcunniff at arbgroup.com
Thu Jan 6 12:07:58 GMT 2000


ilug-admin at linux.ie wrote:
> 

<snip>

> I am promised that the card works fine in W95/98 but I have not seen it with
> my own eyes (the other one does anyway). When I set the media detection to
> "Auto select" and load the 3c5x9 module it picks up the card & the correct
> media type. Also everything that should be in /proc is there.
> 
> arp -a had an "unresolved hw address" entry for whatever hosts we tried to
> ping.
> 
> It seems like the card is seeing the network, and that linux is seeing the
> card (yes there was only 1 network card in the system, no onboard card or
> anything else like that). But there was no way it was saying anything.
> 
> Anybody got any ideas ?

In order to isolate the problem, add another known-good NIC to the system,
get it back to where your 3Com is experiencing the problem, and then :

a) remove the 3com module
b) bring up the other NIC
c) configure it with the same IP as the 3com had
d) swap the same network cable into the new NIC
e) run all tests again.

If you have problems with the new card also, then it's almost certainly
some obscure software problem. If the new card runs perfectly, then you
have a hardware problem with the 3Com.

Vin




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