in the output of "ip link help", I see:
ip link property add dev DEVICE [ altname NAME .. ]
ip link property del dev DEVICE [ altname NAME .. ]
That looks like what maybe you are looking for.
On Mon, Feb 15, 2021 at 6:59 PM Russell Senior
<russ...@personaltelco.net> wrote:
>
> I don't see the altname in a Ubuntu 20.04 with a 5.4.x kernel.
>
> On Mon, Feb 15, 2021 at 6:59 PM Russell Senior
> <russ...@personaltelco.net> wrote:
> >
> > Fwiw, on my Ubuntu 20.04 with the hwe kernel (5.8.x), I see an altname:
> >
> > russell@frieda:~$ ip link show dev enp4s0
> >
> > 3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel
> > state DOWN mode DEFAULT group default qlen 1000
> > link/ether 00:23:54:xx:xx:xx brd ff:ff:ff:ff:ff:ff
> > altname enp4s0
> >
> > So, what you are asking for does seem to exist.
> >
> > On Mon, Feb 15, 2021 at 6:51 PM Keith Lofstrom <kei...@kl-ic.com> wrote:
> > >
> > > On Sun, Feb 14, 2021 at 09:45:05PM -0800, Russell Senior wrote:
> > > > I can understand it making sense in the context of a server with
> > > > multiple interfaces. We used to have occasional problems with ethernet
> > > > enumeration when we were using recycled PCs as gateway routers. I just
> > > > don't see why that kind of corner case drove adoption for a problem
> > > > that didn't exist for 99% of users. Seems to me like "predictable"
> > > > names ought to be an opt-in rather than an opt-out.
> > >
> > > Thanks to all for the useful and informative replies.
> > > I'm grateful for Russell's helpful grub configuration
> > > advice.
> > >
> > > Still - it would cost almost nothing if one device had
> > > TWO names in /dev/, BOTH eth0 AND enp12s0. Perhaps a
> > > deft application of the cluestick will encourage whoever
> > > made the PredictableNetworkInterfaceNames decision to
> > > rewrite the boot loader to create (and log) BOTH names,
> > > allowing end users to choose the name they prefer.
> > >
> > > I can remember the ancient days, when source-empowered
> > > users made Linux do what they wanted, rather than Linux
> > > making users conform to the changing whims of a powerful
> > > and unaccountable elite. I don't mind people pissing in
> > > their soup until they like the flavor - as long as they
> > > don't piss in MY soup.
> > >
> > > Keith
> > >
> > > --
> > > Keith Lofstrom kei...@keithl.com
> > > _______________________________________________
> > > PLUG: https://pdxlinux.org
> > > PLUG mailing list
> > > PLUG@pdxlinux.org
> > > http://lists.pdxlinux.org/mailman/listinfo/plug
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