On Wed, 17 Nov 2021 17:33:25 -0000 (UTC) Stuart Henderson <stu.li...@spacehopper.org> wrote:
> On 2021-11-17, Radek <r...@int.pl> wrote: > > On Wed, 17 Nov 2021 11:22:42 +0100 > > Denis Fondras <open...@ledeuns.net> wrote: > > > >> Le Wed, Nov 17, 2021 at 05:03:42AM +0100, Radek a écrit : > >> > > >> > How can I restore the vendor's MAC address? > >> > It is 6.8/amd64. > >> > > >> > >> Check dmesg, it will give you the original MAC address, then ifconfig > >> lladdr... > >> > > > > Hello Denis, > > dmesg shows my new_MAC. > > I know the value of my original MAC address but I used to think that > > removing lladdr value from /etc/hostname.if and then reboot restores the > > original MAC. I doesn't. > > How about a power-cycle (rather than just a reboot)? I'll do it ASAP. > > > Is there any way to "force" OS to restore original MAC address by reading > > it from hardware/NIC instead of ifconfig lladdr ...? > > That's what it normally does. > > If it's somehow stuck on the new one and a power-cycle doesn't clear it then > presumably using lladdr to reset it to the original will stick (look in old > boot messages in /var/log/messages.*.gz, dhcp server logs, maybe printed > on the motherboard, etc) I have a copy of the original MAC and presumably it's not a problem to restore it with ifconfig lladdr.... but I'm trying to find out why /etc/netstart (and even reboot) doesn't clear it. > > -- > Please keep replies on the mailing list. > -- Radek