[CentOS] Renaming NIC name in CentOS 7

Digimer lists at alteeve.ca
Fri Oct 3 13:53:29 UTC 2014


On 03/10/14 09:12 AM, Richer, Mark (CIV) wrote:
> All,
>
> I am trying to understand better how you give an interface a more descriptive name and get it all working without a reboot, if possible.
>
> We have 1G and 10G interfaces, and I’m trying to use names like 1G-internal, 1G-external, 10G-private, etc.  When I boot up, it’s all fine, but if I add one I’m not sure if there is a way to avoid the reboot? For example, I added the 10G interface names this week.
>
> Specifically, is there a way to change the network interface name you see in ifconfig and nmcli connection without rebooting CentOS 7?
>
> I changed the name in network-scripts. I tried to restart NetworkManager.
>
> I brought down the interface and tried to rename the file and bring it up again, but it still retains the previous run-time setting associated with the same UUID in the file.
>
> Also I find that on all but one of the server on which I did this, I can restart NetworkManager, but network.service is failing to restart. Do I want both active? And if yes,  is this indicative of a problem related to changing the interfaces that goes away (only) by rebooting? For some reason, after doing this on several systems, on only one I can restart network.service, but it also still shows the old interface name.
>
> thanks,
> Mark

I actually wrote a small tutorial on how to do just this.

https://alteeve.ca/w/Changing_Ethernet_Device_Names_in_EL7_and_Fedora_15%2B

Cheers

-- 
Digimer
Papers and Projects: https://alteeve.ca/w/
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