How to customize hardware ethernet settings in FC5?

Anthony Messina amessina at messinet.com
Thu Aug 10 16:54:11 UTC 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?
> 
> 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
> 
you should be able to add a line to
/etc/sysconfig/network-scripts/ifcfg-eth0

ETHTOOL_OPTS="speed 10 duplex half autoneg off"

and the change will take place at boot up, or anytime you restart the
interface.

-- 
Anthony
http://messinet.com
http://messinet.com/~amessina/gallery
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