What is the problem with the Linksys LNE 10/100 card?

[Jim Morris]

Christopher Smith wrote:

> Now, it works great when I use Linksys's version of the tulip driver,
> but fails miserably when I use the standard driver from the 2.2.x
> series. The problem ONLY occurs when the card is hooked up to my
> switch (SOHOware auto-sensing 10/100 switch). My suspicion is that the
> problem occurs when sensing/enabling full duplex (mostly because there
> is no problem when I use the card to talk directly to my DSL modem).

Your suspicions are quite correct. The problems lie in the media
negotiation, and I've not tried to figure it out myself.  It only occurs
with the newer cards (made in the past 6 months or so), as some older
Linksys cards I have work fine.

The problem does not occur if you connect to a 10BaseT hub, or device
such as a cable modem, DSL modem, etc.  It only occurs for me if I
connect one of these newer cards to a 10/100BaseTX hub or switch.  It
happens with a hub, not just a switch, so I am not sure the duplex
negotiation is the problem.

For me, the solution was just to use the Linksys provided driver. That
won't be a solution when the Linux 2.4 kernel arrives though, since the
decision was made in the kernel to break all backwards compatibility
with device drivers for Linux 2.2 and earlier.
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