Change MAC address

Help & Support Installation & Booting
1

Running 9.2.5 OE from SD on Android TX95 box
It has a sticker with MAC (and it is burned in), but 06:xx:xx:xx:xx which is private address, and I ban on my network private addresses.

Is there a reliable way to change this address?

Tried all like here

Nothing seems to work

sebus

2

Try this: https://forum.libreelec.tv/thread/2139-how-to-change-duplicate-mac-address/

3

Been there, tried them all, none worked

sebus

4

Can you try if you get a print out with fw_printenv?

5

This must work as in autoexec.sh or in some systemd script.

ifconfig eth0 down
ifconfig eth0 hw ether your_new_mac
ifconfig eth0 up
6

Does not, tried it as well

8

unicast address has to have the first octet as an even value

It was after all as simple as using address with starting ie 88:

as I explicitly did not want

x2:xx:xx:xx:xx:xx
x6:xx:xx:xx:xx:xx
xA:xx:xx:xx:xx:xx
xE:xx:xx:xx:xx:xx

otherwise

autostart.sh

#!/bin/sh
(
sleep 30;
ifconfig eth0 down;
ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx;
ifconfig eth0 up
) &

got execute, but MAC stayed the same due to error:

ifconfig: SIOCSIFHWADDR: Cannot assign requested address

CoreELEC (official): 9.2.5 (Amlogic.arm)
CoreELEC:~ # systemctl status kodi-autostart.service -l --no-pager
â—Ź kodi-autostart.service - Kodi user autostart script
   Loaded: loaded (/usr/lib/systemd/system/kodi-autostart.service; disabled; vendor preset: disabled)
   Active: active (exited) since Thu 2015-01-01 00:00:19 GMT; 5 years 10 months ago
  Process: 2814 ExecStart=/bin/sh -c . /etc/profile; exec /bin/sh /storage/.config/autostart.sh (code=exited, status=0/SUCCESS)
 Main PID: 2814 (code=exited, status=0/SUCCESS)
   Memory: 12.0K
   CGroup: /system.slice/kodi-autostart.service

Jan 01 00:00:19 CoreELEC systemd[1]: Starting Kodi user autostart script...
Jan 01 00:00:19 CoreELEC systemd[1]: Started Kodi user autostart script.
Nov 13 08:16:45 CoreELEC sh[2814]: **ifconfig: SIOCSIFHWADDR: Cannot assign requested address**
9

You removed it already but your fw_printenv shows mac=06:61:61:12:db:43.

You should be able to set the mac by:

fw_setenv mac xx.xx.xx.xx.xx.xx
sync
reboot
1 Like
10

How confusing!
Why such simple “issue” could not be well documented?
Going in circles from thread to thread…

11

Because it´s no issue.
Remeber, You baned privat MAC on Your network

2 Likes
12

Yada yada, it is an “issue” or lack of proper documentation, it has nothing to do with MY network

Everywhere I can find only this is mentioned: fw_setenv ethaddr

13

And what address you actually like to use?

14

Already solved above!