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charlesnadeau
Apprentice
Joined: 19 May 2003
Posts: 205
Location: Ottawa, Ontario, Canada
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 Posted: Wed Mar 21, 2007 5:45 pm Post subject: Forcing network card speed at boot time |
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I have an Intel PRO 1000/T (82544GC) network card. It always negociate a speed of 100Mbits with my Corega GSW-8 gigabit network switch. How can I turn auto-negociation off and set speed at 1000Mbits at boot time?
I have looked at using preup() but don't know exactly hot I could do it. I looked at this post but it doesn't look too successfull. Any other technique I could use?
Thanks!
Charles
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Charles Nadeau
http://radio.weblogs.com/0111823/
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Last edited by charlesnadeau on Wed Mar 21, 2007 5:57 pm; edited 1 time in total |
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roderick
l33t
Joined: 11 Jul 2005
Posts: 908
Location: St. John's, NL CANADA
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| Posted: Wed Mar 21, 2007 5:47 pm Post subject: |
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emerge ethtool
add it to your startup (local.start maybe) with appropriate options like:
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ethtool -s eth0 speed 1000 autoneg off duplex full
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If God were a pickle, I'd still say "no pickle on my burger".
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msalerno
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Joined: 17 Dec 2002
Posts: 1338
Location: Sweating in South Florida
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| Posted: Wed Mar 21, 2007 8:34 pm Post subject: |
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Read the module documentation. If you have the driver compiled as a driver, you can usually load the module with some parameters that will specify speed and duplex.
/usr/src/linux/Documentation/networking/e1000.txt
# The following will set 1000Mbps Full
alias eth0 e1000
options e1000 Speed=1000 Duplex=2
or
modprobe e1000 AutoNeg=0x020 (Restricts autonegotiation to 1000 Full)
or
modprobe e1000 AutoNeg=32 (Same as above) |
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charlesnadeau
Apprentice
Joined: 19 May 2003
Posts: 205
Location: Ottawa, Ontario, Canada
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| Posted: Thu Mar 22, 2007 12:41 am Post subject: |
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| msalerno wrote: | | Read the module documentation. If you have the driver compiled as a driver, you can usually load the module with some parameters that will specify speed and duplex. |
The driver is compiled strait into the kernel, not a module. Can I still pass these options through /etc/init.d/net.eth0?
Thanks!
Charles
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Charles Nadeau
http://radio.weblogs.com/0111823/
http://charlesnadeau.blogspot.com/search/label/Gentoo |
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Networking & Security
