Try the tool ethtool.
A man on these will will show you a lot of options.
There is also a tool called mii-tool.
On Mon, 2004-08-02 at 10:11, Andrew Konosky wrote:
I have a home network with 2 computers on a linksys router with
linksys
NICs. Under windows 98 I had to manually configure it to use 100mbps
since it defaukted to 10. The router's LED to my computer is yellow,
which means it's at 10mbps right now. How do I configure Fedora to use
100mbps also?