search for: troubleshooting_network_device_nam

...hernet controller: Broadcom Inc. and subsidiaries BCM4401-B0 > 100Base-TX (rev 02) > > This card gets randomly renamed to either eth0 or eth1 after every reboot. > > This is weird. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/sec-Troubleshooting_Network_Device_Naming Example 11.4 "Kernel always uses the ethX naming convention at boot when it enumerates network devices. Due to parallelization, the order of the kernel interface enumeration is expected to vary across reboots." Alexander

Hi, I've done my fair share of CentOS 7 installations, but this is the first time I have this kind of weird problem. Here goes. In my office I have a battered Dell Optiplex 320 PC with two NICs that I'm using as a bare metal sandbox server for testing purposes. The CentOS 7 installer sees the connected network card as eth0. But after the first reboot, the interface comes up as eth1.