On 05/01/2014 01:45 PM, Lamar Owen wrote: > On 05/01/2014 10:56 AM, Steve Clark wrote: >> I feel for you then. I guess we have been lucky in the 6 or 7 hardware >> platforms we have used that the nics ( minimum 3, usually 4 or more ) >> have always stayed the same names in the same order. > That's actually an illusion. If the detection pulls it up in a > different order, then by MAC address it will get put in the old order, > at least with EL6. Here's a 'grep' excerpt showing the fun: > ++++++++++ > Apr 21 14:39:25 www kernel: udev: renamed network interface eth0 to rename2 > Apr 21 14:39:25 www kernel: udev: renamed network interface eth1 to rename3 > Apr 21 14:39:25 www kernel: udev: renamed network interface eth2 to eth0 > Apr 21 14:39:25 www kernel: udev: renamed network interface eth3 to eth1 > Apr 21 14:39:25 www kernel: udev: renamed network interface rename3 to eth3 > Apr 21 14:39:25 www kernel: udev: renamed network interface rename2 to eth2 > ++++++++++ > Like I said in the part you snipped after we clone the drive I always do: Yep, do it all the time - first two thing I do are: rm -f /etc/udev/rules.d/70-persistent-net.rules rm -r /etc/sysconfig/network-scripts/ifcfg-eth* and then reboot. The above makes them be rediscovered on the reboot. The lan ports are numbered on the back of the unit and I have never had them not come up in the correct order - In fact it would cause us untold grief it they did. I forgot to add this is over 750 systems. -- Stephen Clark *NetWolves Managed Services, LLC.* Director of Technology Phone: 813-579-3200 Fax: 813-882-0209 Email: steve.clark at netwolves.com http://www.netwolves.com