Re: Debian 10 --> 11 on Dell R740: network interfaces renamed

["Alexander V. Makartsev" <avbetev@gmail.com>]

On 09.06.2022 00:04, Harald Dunkel wrote:
> Hi folks,
>
> after the upgrade to Debian 11 some network interfaces in my
> Dell R740 got renamed. Before:
>
> # lshw -class network -short
> H/W path          Device      Class          Description
> ========================================================
> /0/2/0            eno1        network        Ethernet Controller 10G 
> X550T
> /0/2/0.1          eno2        network        Ethernet Controller 10G 
> X550T
> /0/3/0            eno3        network        I350 Gigabit Network 
> Connection
> /0/3/0.1          eno4        network        I350 Gigabit Network 
> Connection
> /0/103/0          ens3f0      network        I350 Gigabit Network 
> Connection
> /0/103/0.1        ens3f1      network        I350 Gigabit Network 
> Connection
>
>
> After:
>
> # lshw -class network -short
> H/W path          Device     Class          Description
> =======================================================
> /0/2/0            eno1       network        Ethernet Controller 10G X550T
> /0/2/0.1          eno2       network        Ethernet Controller 10G X550T
> /0/3/0            eno3       network        I350 Gigabit Network 
> Connection
> /0/3/0.1          eno4       network        I350 Gigabit Network 
> Connection
> /0/103/0          enp94s0f0  network        I350 Gigabit Network 
> Connection
> /0/103/0.1        enp94s0f1  network        I350 Gigabit Network 
> Connection
>
>
> How comes? AFAIR these predictable interface names had been introduced
> to get *stable* names, if the hardware is changed. Since it is more
> likely to get a kernel upgrade than new network hardware I wonder of the
> predictable names could be made even more predictable?
For me the best solution is to manually create .link¹ files for every 
interface, to name them to something nice, like "ether0" or "wan0".

[1] https://www.freedesktop.org/software/systemd/man/systemd.link.html

--
With kindest regards, Alexander.

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