> > Try turning off auto-negotiation on the cards and set the
> > speed to 100 mbps. That should fix it.
>
> The *very same* Sun Ultra, being plugged into 3Com 3300
establishes 100/FDX
> in the snap of the finger and works beautufully without
touching a thing.
>
> SY,
It doesn't want to autonegotiate with your Catalyst.
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