[CentOS] Problems with Intel Ethernet and module e1000e

Mon Sep 26 13:56:04 UTC 2011
m.roth at 5-cent.us <m.roth at 5-cent.us>

Patrick Lists wrote:
> On 09/23/2011 12:54 PM, Volker Poplawski wrote:
>> Hi all,
>> I'm facing a serious problem with the e100e kernel module for Intel
>> 82574L gigabit nics on Centos 6.
> I have also had problems with an Intel Gbit nic in a Dell Optiplex 760
> using the e1000 module. If it would come up it would come up at 100Mbit
> speed. Only unplugging the LAN cable en reinserting it in the switch
> would sometimes result in the proper 1Gb speed. After replacing the 3Com
> Gbit switch with a DLink Gbit switch things started to work ok.
> As suggested, you could try out the e1000 kernel module form elrepo (if
> it works, good for you) but you may want to look into the switch too.

Hmmm, we had a problem like that, but in our case, it was the NIC. If
someone's already asked this - I didn't read the list over the weekend -
ignore the request, but if not, while it's not working, what's the o/p of
ethtool eth<whatever>