How to customize hardware ethernet settings in FC5?

[Matthew Saltzman]

On Thu, 10 Aug 2006, Patrick Doyle wrote:

> I have a somewhat problematic ethernet NIC in my laptop and have found
> that the most reliable way to make it work is to force it to operate
> in 10 Mbps, half duplex mode.  Each morning I arrive at work, attach
> my laptop to the network, boot up, and type
>
> $ sudo ethtool -s eth0 autoneg off speed 10 duplex half
>
> and the network works fine all day long.
>
> Now, I'm getting tired of this, and I think I ought to be able to
> force this configuration somewhere.  The problem is, I haven't the
> foggiest idea where to do it in FC5.  On Debian, I could edit
> /etc/network/interfaces and specify a "pre-up" command.  In FC5, there
> is probably some file in /etc/sysconfig/... that I can edit (either by
> hand, or via a GUI application -- although, I don't see it under
> System|Network...) to change this, I just don't know where to begin to
> look.
>
> Any pointers?

You might use an "options" line in /etc/modprobe.conf.  The options are 
documented in kernel-doc.  For example,

     $ more /etc/modprobe.conf
     alias eth0 e1000
     alias eth1 e1000
     options e1000 Duplex=2 Speed=100


>
> Actually, as long as I'm on the subject, where would be a good place
> to start to understand the design, concepts, intent, and overall
> operation of the data stored in /etc/sysconfig?
>
> (Please feel free to tell me to read the manual for the answer to
> that, although "man sysconfig" and "man -k sysconfig" don't tell me
> anything).
>
> --wpd
>
>
>

-- 
 		Matthew Saltzman

Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs