On Mon, 11 Oct 2004 20:59:21 -0700, Greg Smith <gsmith59 at pacbell dot net> wrote:
> 
> In my limited testing with a net4501 it seemed certain that the
> ethernet ports did NOT do MDI/MDI-X auto-detect.  [I had to insert a
> hub in the mix to get the connection I wanted.  Try that, and see if it
> lights up.]
> 

That's correct, unless this has changed very recently.  I've worked
with a number of 4501's and 4801's and none of them were auto
MDI/MDI-X.

You'll have to use a crossover cable to go between your 4801 and
router or put a hub or switch in between.

-Chris