[CentOS] Cannot set MTU != 1500 on Intel NIC

Fri Aug 20 09:03:32 UTC 2010
Timo Schoeler <timo.schoeler at riscworks.net>

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

thus JohnS spake:
> On Fri, 2010-08-20 at 10:17 +0200, Timo Schoeler wrote:
>> (from http://downloadmirror.intel.com/15817/eng/README.txt)
> ---
> I read that also.  Will they work without using the Intel Driver?  As in
> using the kernel driver in the kernel.  Seems to me it should because
> the e1000 is a fairly popular card.  

Sure, first I tried with the CentOS driver.

> Since you can't set the mtu you may benefit from setting the tcp values
> in sysctl.conf.

Nope, unfortunately I'm forced to have that MTU. However, we just
swapped the switch port using the Switch's management so that the NIC
that's able to do >1500 MTU get's the traffic in question.

So, I have a solution, but it doesn't solve the problem (regarding the
NIC itself)...

> John

Timo
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (GNU/Linux)

iD8DBQFMbkTkfg746kcGBOwRAg2xAJoCHcSTwxx03UsQPOQgLN/MAZpKWACgsP0I
dlZwmctxCIGOY0unQRxBoH8=
=SV2Q
-----END PGP SIGNATURE-----