Bug 21925 - Problems using the 3c90x card
Problems using the 3c90x card
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
high Severity high
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Assigned To: Michael K. Johnson
David Lawrence
Depends On:
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Reported: 2000-12-07 21:11 EST by Carlos Cherem
Modified: 2005-10-31 17:00 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2000-12-10 16:45:43 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Carlos Cherem 2000-12-07 21:11:07 EST
When i try to use the 3com 3c905c card in my Linux 6.1 (Kernel 2.2.12-20) 
and conect these machine on a Cisco Catalist Switch, the network was work 
for a few minutes and down. If these machine is conect on a hub, the 
network will be work very well. The problem is relationed with the Switch.

My Switch is working very well with my network and all computers.

I was get the driver from the 3com site, and i choose the apropriate 
version for my Linux and i compile as recomendade.

I was try many times and none ... and i put my old card realtech-8029 to 
work again.

Please, if anyone have the solution for this problem, report here !

Thank you Very much !

Carlos Cherem
Comment 1 Pekka Savola 2000-12-10 16:45:05 EST
Most probably your catalyst switch has been statically configured to 100? full-duplex,
and your network card is in autonegotiate state.  In that case, the switch has to be reconfigured
or the card forced to a different mode (in /etc/conf.modules).

Some Cisco switches have been reported to be unreliable with autonegotiation.

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