Meant to say UDEV... Just went through this last night UUID is involved now this should help - > https://alteeve.com/w/Changing_the_ethX_to_Ethernet_Device_Mapping_in_EL6 > > > On Thu, May 10, 2012 at 11:50 AM, Gregory P. Ennis <PoMec at pomec.net>wrote: > >> Everyone, >> >> Can anyone refer me to a tutorial as to how to rename the network cards, >> ie I have one that ended up being system-eth3, that I want to be >> system-eth1? >> >> I am setting up a new CentOS 6.2 system that I plan to use as a gateway >> and e-mail server. The original machine had only one nic card, and to >> my surprise the vendor did not have a 1000/100/10 card that would fit in >> the pci-e slot. I ordered a pci-e network card, and while waiting for >> it to arrive I purchased a Sabrent usb 1000/100/10 to finish my >> development. I was able to get CentOS 6.2 to recognize the usb ethernet >> adapter which had been assigned system-eth1, but I could not get data to >> go through it (in or out). >> >> The pci-e network card came in, and after it was installed, and upon the >> next boot it was assigned system-eth2. I tried to delete the usb eth1 >> and reassign the pci-e to eth1, but have managed to really mess things >> up. I deleted references to eth1 and eth2 in : >> >> /etc/sysconfig/networking >> /etc/sysconfig/network-scripts >> >> hoping that the next boot would reassign the pci-e network card as eth1, >> but now the system will not even recognize the new card. >> >> Is there any way to reset the numbering sequences of network cards so >> that I can have the the desired names. I wish now I would have left it >> alone, and just changed references to eth1 to eth2 in my iptables >> firewall. >> >> Thanks much, >> >> Greg Ennis >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > >