----- Original Message ---- > From: Jobst Schmalenbach <jobst at barrett.com.au> > To: centos at centos.org > Sent: Thu, April 15, 2010 1:20:45 AM > Subject: Re: [CentOS] How Do I ... > > ;-) > in the olden days it was so easy, you had PCI cards and they were > named by the slot number, starting with eth0 in PCI slot 1 and so on. > Then > came the inbuilt nics > Then came the PCIx built nics > Then came the PCI-e > built nics > OUCH! ;-) Then came blade servers with built-in nics you can't unplug because they're plugged to the blade center enclosure's internal switches :) I had an awful time trying to install a bunch of servers via PXE, the server booted from one nic, then tried to configure eth0 which was ANOTHER nic which was (of course) connected to a different built in switch and the installation failed because it couldn't access the kickstart file. We had to trunk the 4 internal switches for the install, then we had to look into the switch's management to see which card was in what port, then modify the ifcfg-ethX to configure each one of the NICs with the right IP Fer