RE: Resetting IFCONFIG Info

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To: "'redhat-list@redhat.com'" <redhat-list@redhat.com>
Date: Wed, 23 Jul 2003 10:11:19 -0500

Joe Giles wrote:
> Hmmmm.. Well, if I can isolate the kernel module for ONE card, that
> would be great, but I don't think it works that way. Oh well, I guess
> I'll have to cause a stir. Especially if they want a smooth running
> server :-D
>
> Thanks for all the replies. I actually learned a few things I never
> new.
>
> Thanks again :)
> --
> Joe Giles

Take a look in the /proc filesystem. Specifically in the /proc/net
directory. There are several files which contain the status information of
your network devices, including the numbers you are looking at through the
ifconfig command. /proc/net/dev holds the Transmit and Receive numbers for
all interfaces. If you want to go even further, go into the
/proc/net/nicinfo directory and take a look at the ethX.info file for your
interfaces. Here you will see all the current settings and numbers for your
network card(s).

Now, I haven't tried this, so there is no guarantee that this will work or
that it will work without causing your server to have a problem, but you
could always try resetting the numbers in that /proc/net/nicinfo/ethX.info
file for the interface you are wanting to reset. This _should_ allow you to
set all the RX and TX numbers and error counters back to zero without
interrupting the actual interface. So, hopefully no network interruption.

Again, I have not done this and don't have the time right now to test it out
on one of my servers, but it might just be the thing you are looking for.
You will probably have echo the entire file into /proc/net/nicinfo/ethX.info
with the numbers set to zero, but that should be pretty easy to do. Just
cut and paste the contents of the original file into a temporary file, make
your changes, then echo that file into /proc/... Plus, if you keep this
temporary file that has the numbers set to zero, then you could echo that to
/proc anytime you wanted to reset the counters on that interface.

Hope that gives you something to look at that might work for you. If I get
some time today, I might just try this for myself. Always love a challenge!
:)

   .~. Brad Sites
   /V\ Systems Administrator
  // \\ Missouri Employers Mutual Insurance
 /( )\ bsites@mem-ins.com www.mem-ins.com
  ^^-^^ (573) 499-4230

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• Previous message: David Hollister: "Re: Laptops?"
• Maybe in reply to: Joe Giles: "Resetting IFCONFIG Info"
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