Steps on how to rename Centos 7 ethnxxxx interface to eth0

centos7-eth0-steps.snippets

centos 7 setup-rename NIC to eth0

http://ask.xmodulo.com/change-network-interface-name-centos7.html

- This is achieved by editing /etc/default/grub and adding "net.ifnames=0" to GRUB_CMDLINE_LINUX variable.

- Then run this command to regenerate GRUB configuration with updated kernel parameters.
$ sudo grub2-mkconfig -o /boot/grub2/grub.cfg

- cat /sys/class/net/*/address
- 00:0c:29:e0:ad:52
- 00:00:00:00:00:00
- NOTE the mac address

- vi /etc/udev/rules.d/70-persistent-ipoib.rules
- 
- replace the mac address in the line below to yours
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:e0:ad:52”, ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

reboot

ip a

eth0:…..

- rename /etc/sysconfig/network-scripts/ifcfg-enxxx to ifcfg-eth0
- rename the DEVICE=enxxxx to DEVICE=eth0 in the above file