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Re: Ethernet Speed and Duplex



On Mon, Jul 11, 2005 at 06:12:08PM -0400, Joe Grace wrote:

> Ok, I am going crazy because I have not been able to figure this out.  
> I have googled this like crazy. I have a dsl modem that is connected  
> directly to an ethernet card. I can not figure out how to manually  
> set the duplex and speed. In the past I have used mii-tool, but when  
> I try to use it, it will say "no mii transceivers found". In my  
> google searches I found that there were some people who were using  
> ethtool. When I try setting the duplex and speed with ethtool it does  
> not display a word when I press return and then duplex and speed stay  
> the same, even after bringing the interface down and up. For some  
> reason with this card auto-negotation is very slow. Can someone point  
> me in the right direction? Can I set the duplex and speed in /etc/ 
> network/interfaces somewhere on the "auto eth0" line?

What kind of card is it?

What does 'ethtool eth0' (assuming your interface is eth0) tell you?

What duplex/speed does your DSL modem run at?

Are you using a crossover cable?

-- 
Ron Peterson
Network & Systems Manager
Mount Holyoke College
http://www.mtholyoke.edu/~rpeterso



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