* how to set the speed, duplex of Linux NIC?
@ 2003-01-03 9:42 Simon Brown
2003-01-03 13:56 ` hansel
2003-01-03 16:49 ` Andrew B. Cramer
0 siblings, 2 replies; 6+ messages in thread
From: Simon Brown @ 2003-01-03 9:42 UTC (permalink / raw)
To: linux-admin
Hi.. Anyone know how to set the speed, duplex of Linux NIC?
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* RE: how to set the speed, duplex of Linux NIC?
@ 2003-01-03 11:39 Shaw, Marco
0 siblings, 0 replies; 6+ messages in thread
From: Shaw, Marco @ 2003-01-03 11:39 UTC (permalink / raw)
To: linux-admin
(Please be more specific if possible next time: which "Linux" are you using, and what brand NIC do you have?)
1. Try 'ethtool' if you have RedHat 8.0.
-or-
2. Search the web once you figure out what card you have.
There's also tools like mii-diag. With #2 above, you would likely enter options in /etc/modules.conf (for RedHat anyway).
As a last result, you can go through the source code for the driver, and found the required options.
Marco
-----Original Message-----
From: Simon Brown [mailto:linuxask@hotmail.com]
Sent: Friday, January 03, 2003 5:43 AM
To: linux-admin@vger.kernel.org
Subject: how to set the speed, duplex of Linux NIC?
Hi.. Anyone know how to set the speed, duplex of Linux NIC?
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* Re: how to set the speed, duplex of Linux NIC?
2003-01-03 9:42 Simon Brown
@ 2003-01-03 13:56 ` hansel
2003-01-03 16:49 ` Andrew B. Cramer
1 sibling, 0 replies; 6+ messages in thread
From: hansel @ 2003-01-03 13:56 UTC (permalink / raw)
To: Simon Brown; +Cc: linux-admin
On Fri, 3 Jan 2003, Simon Brown wrote:
> Hi.. Anyone know how to set the speed, duplex of Linux NIC?
What card?
See kernel documentation. Assuming your kernel source is in /usr/src, look
in /usr/src/linux<versioin>/Documentation/networking and look for the file
about your card.
--
Mark Hansel
PO Box 41
Minnesota State University Moorhead
Moorhead, MN 56563
ph: 218-236-2039 fax: 218-236-2593
hansel@mnstate.edu
http://wwwcj.mnstate.edu
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: how to set the speed, duplex of Linux NIC?
2003-01-03 9:42 Simon Brown
2003-01-03 13:56 ` hansel
@ 2003-01-03 16:49 ` Andrew B. Cramer
1 sibling, 0 replies; 6+ messages in thread
From: Andrew B. Cramer @ 2003-01-03 16:49 UTC (permalink / raw)
To: Simon Brown; +Cc: linux-admin
Hi Simon,
What the two others state is true, modifying 'modules.conf' is the
best. If you are trying to get two 10/100 boards to connect at 100 Mb
using a x-over cable, it will not negotiate faster than 10 Mb. It
requires a hub to initiate that. 10/100 Mb full duplex is just a
matter of having a cable with 1&2 -> 1&2, 3&6 -> 3&6, 4&5 -> 4&5, and
7&8 -> 7&8, and a hub that supports it. At 10 Mb, a crossover cable
will get you your 10+10=20, but again not 100+100=200. I hope this
helps.
Regards, Andrew
On 3 Jan 2003 at 9:42, Simon Brown wrote:
> Hi.. Anyone know how to set the speed, duplex of Linux NIC?
>
>
>
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> the body of a message to majordomo@vger.kernel.org
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* RE: how to set the speed, duplex of Linux NIC?
[not found] <C65F89D1AC0BB54B865127151A24DA780E49027A@nbexchm2.aliant.icn>
@ 2003-01-03 17:35 ` Andrew B. Cramer
2003-01-03 17:56 ` Scott Taylor
0 siblings, 1 reply; 6+ messages in thread
From: Andrew B. Cramer @ 2003-01-03 17:35 UTC (permalink / raw)
To: Shaw, Marco; +Cc: linux-admin
Hi Marco,
Sorry, I typed too fast. I have had zero luck with both the Intel
100B and 3COM 3C9X5. Perhaps the NIC's you are using are smarter now.
I do get 100 Mb, but not full-duplex. That is negotiated by the hub.
- Andrew
On 3 Jan 2003 at 13:31, Shaw, Marco wrote:
>
> "...If you are trying to get two 10/100 boards to connect at 100 Mb
> using a x-over cable, it will not negotiate faster than 10 Mb..."
>
> I do it often, and get 100/full with a crossover cable... I assume so because
> the 10/100 link light goes orange to indicate 100.
>
> Marco
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* RE: how to set the speed, duplex of Linux NIC?
2003-01-03 17:35 ` how to set the speed, duplex of Linux NIC? Andrew B. Cramer
@ 2003-01-03 17:56 ` Scott Taylor
0 siblings, 0 replies; 6+ messages in thread
From: Scott Taylor @ 2003-01-03 17:56 UTC (permalink / raw)
To: linux-admin
At 09:35 AM 1/03/03, Andrew B. Cramer wrote:
>Hi Marco,
> Sorry, I typed too fast. I have had zero luck with both the Intel
>100B and 3COM 3C9X5. Perhaps the NIC's you are using are smarter now.
>I do get 100 Mb, but not full-duplex. That is negotiated by the hub.
My Intel 100s NICs on IBM xSeries 205 eServers, running RH7.2 with 2.4
Kernel, MDK7.2 with 2.2 Kernel, and MDK8.2 with 2.4 Kernel, just work,
100Mb full-duplex. Maybe it's your motherboard?
Really though, you are creating a guessing game when you don't supply these
people with complete information as they requested. Perhaps you are
working in a top secret facility, but we really have a need to know your
hardware and software configs to get you a good answer.
Regards.
Scott.
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2003-01-03 13:56 ` hansel
2003-01-03 16:49 ` Andrew B. Cramer
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