[CentOS] Odd thing with Realtek Ethernet card

[m.roth at 5-cent.us]

Digimer wrote:
> On 03/16/2012 04:03 PM, Devin Reade wrote:
>> --On Friday, March 16, 2012 07:41:18 PM +0000 Ken Smith
>> <kens at kensnet.org>
>> wrote:
>>
>>> Hi all, I swapped a Realtek 8139 100M Net Card for a Realtek 8169 Gig
>>> Net card in a Centos 5.6 system.
<snip>
>> In some cases, they didn't get recognised at boot, either, whereas
>> a subsequent reboot *might* make them come back.
>>
> I've seen the same behavious. Realtek cards are no longer an option for
> my builds. I would second Devin and suggest saving yourself a lot of
> headaches... Replace with an Intel NIC. The difference in performance
> and reliability is staggering.

If the OP doesn't/can't go out to buy another NIC, you might try putting
HWADDR in ifconfig-eth<whatever>. If it was CentOS 6.x, you'd have to deal
with /etc/udev/rules.d/70-persistent-net-rules

       mark "just had this happen"