[SOLVED] Mac address on linux server

1s440 · 05-23-2023, 05:55 AM

Hi all,

I would need to change an mac address for one of the ip on the centos server, before changing the mac address, i would need to test. How can i test it?

pan64 · 05-23-2023, 06:16 AM

on another host? in a vm? what do you want to test? You can either change that or not.

1s440 · 05-23-2023, 06:19 AM

Quote:

Originally Posted by pan64

on another host? in a vm? what do you want to test? You can either change that or not.

I used the below steps to change , but i think this is temporary . How can i test if the mac is working or not

Code:

$ sudo ifconfig eth0 down

$ sudo ifconfig eth0 hw ether AA:BB:CC:DD:EE:FF

$ sudo ifconfig eth0 up

TB0ne · 05-23-2023, 08:48 AM

Quote:

Originally Posted by 1s440

I used the below steps to change , but i think this is temporary . How can i test if the mac is working or not

Code:

$ sudo ifconfig eth0 down
$ sudo ifconfig eth0 hw ether AA:BB:CC:DD:EE:FF
$ sudo ifconfig eth0 up

It's temporary, unless you configure it in the adapter config file, as you would with a static address/route/other-network-things. And you 'test' it by looking at the interface with "ip address" and looking at the MAC address. Again, did you do ANY research of your own??? Like putting "how to change mac address in linux permanently" into Google?
https://srijit.com/how-to-change-mac...s-in-centos-7/