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Re: How to avoid systemd/udev unpredictable NIC names

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On Tue, Aug 31, 2021 at 01:11:33AM +0200, Steve Keller wrote:

[...]

> OK, several people suggested the kernel command-line option
> net.ifnames=0.  Since I almost never change hardware configurations
> this is probably OK even with my two NICs, one on the mainboard, the
> second is a PCI card.  If the kernel should really change the
> enumeration of the cards in some future, I will do something about
> that.

A good alternative in your scenario above would be to take
control of udev rules yourself and rename your NICs based on
their MAC address (or on some other tidbit belonging to the
card and not to some boot lottery). See, for example [1] (just
a random find on the Intertubes, you might have to adapt the
rules to the newest fashion, yadda, yadda).

After all, systemd is doing just the same, albeit in a somewhat
obfuscated way.

Cheers

[1] http://www.debianhelp.co.uk/udev.htm

 - t

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Thread

How to avoid systemd/udev unpredictable NIC names Steve Keller <keller.steve@gmx.de> - 2021-08-30 22:40 +0200
  Re: How to avoid systemd/udev unpredictable NIC names Greg Wooledge <greg@wooledge.org> - 2021-08-30 23:00 +0200
    Re: How to avoid systemd/udev unpredictable NIC names Andrei POPESCU <andreimpopescu@gmail.com> - 2021-08-31 12:50 +0200
      Re: How to avoid systemd/udev unpredictable NIC names Greg Wooledge <greg@wooledge.org> - 2021-08-31 13:40 +0200
      Re: How to avoid systemd/udev unpredictable NIC names Reco <recoverym4n@enotuniq.net> - 2021-08-31 16:00 +0200
        Re: How to avoid systemd/udev unpredictable NIC names Andrei POPESCU <andreimpopescu@gmail.com> - 2021-09-01 19:30 +0200
  Re: How to avoid systemd/udev unpredictable NIC names Dan Ritter <dsr@randomstring.org> - 2021-08-30 23:10 +0200
    Re: How to avoid systemd/udev unpredictable NIC names Dan Ritter <dsr@randomstring.org> - 2021-08-30 23:30 +0200
    Re: How to avoid systemd/udev unpredictable NIC names Greg Wooledge <greg@wooledge.org> - 2021-08-30 23:30 +0200
      Re: How to avoid systemd/udev unpredictable NIC names IL Ka <kazakevichilya@gmail.com> - 2021-08-30 23:50 +0200
        Re: How to avoid systemd/udev unpredictable NIC names Greg Wooledge <greg@wooledge.org> - 2021-08-31 00:10 +0200
          Re: How to avoid systemd/udev unpredictable NIC names Steve Keller <keller.steve@gmx.de> - 2021-08-31 02:10 +0200
            Re: How to avoid systemd/udev unpredictable NIC names Greg Wooledge <greg@wooledge.org> - 2021-08-31 02:50 +0200
              Re: How to avoid systemd/udev unpredictable NIC names Tixy <tixy@yxit.co.uk> - 2021-08-31 22:10 +0200
        Re: How to avoid systemd/udev unpredictable NIC names Thomas Hochstein <thh@thh.name> - 2021-08-31 00:50 +0200
      Re: How to avoid systemd/udev unpredictable NIC names Steve Keller <keller.steve@gmx.de> - 2021-08-31 01:30 +0200
        Re: How to avoid systemd/udev unpredictable NIC names <tomas@tuxteam.de> - 2021-08-31 08:30 +0200
        Re: How to avoid systemd/udev unpredictable NIC names Andrei POPESCU <andreimpopescu@gmail.com> - 2021-08-31 12:50 +0200
        Re: How to avoid systemd/udev unpredictable NIC names David Wright <deblis@lionunicorn.co.uk> - 2021-08-31 16:30 +0200
  Re: How to avoid systemd/udev unpredictable NIC names IL Ka <kazakevichilya@gmail.com> - 2021-08-30 23:30 +0200
  Re: How to avoid systemd/udev unpredictable NIC names Roberto C. Sánchez <roberto@debian.org> - 2021-08-31 01:30 +0200
    Re: How to avoid systemd/udev unpredictable NIC names Steve Keller <keller.steve@gmx.de> - 2021-08-31 02:10 +0200
  Re: How to avoid systemd/udev unpredictable NIC names George Shuklin <george.shuklin@gmail.com> - 2021-08-31 15:50 +0200

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