Weird problem with lat 120l wired network with Linksys WRT54g ver 5

when I use the wired network adapter on my latitude 120l
broadcom 440x 10/100 integrated controller driver ver 4.60.0 11/21/2006
when connected directly to the router the router consantly reboots until i unplug the laptop
wireless works fine I just do not use it when I am in the same room where my router is
 the router is a linksys WRT54g ver 5  fw ver 1.02.5
Latitude 120l --- linksys WRT54g
i have to connect it though either a switch or hub then the router
works fine this way
Latitude 120l --- Linksys EZXS88W  ---- Linksys WRT54g
i disable the wireless when not using it 

This is a hardware issue. have you tried different ports on the router.

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