On Wed, 03 Mar 2021 21:44:30 +0000 g4sra via Dng <dng@lists.dyne.org> wrote:
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Wednesday, March 3, 2021 7:54 PM, tito via Dng > <dng@lists.dyne.org> wrote: > > > On Wed, 03 Mar 2021 16:15:10 +0000 > > g4sra via Dng dng@lists.dyne.org wrote: > > > > <snip> > > > > > > > Your 'predictable' names name are being assigned by what ? > > > > > By the kernel, I suppose as you can pass a kernel command line > > parameter with grub (net.ifnames=0 or net.ifnames=1) > > to switch between eth* and en* names. > > > > > Search under /lib/udev, you will find rules that post-boot process > the kernel command line. It is very common to pass configuration > options to userspace via the kernel command line at boot. The kernel > simply ignores anything it doesn't understand. > In my young years I used to tinker with linux distros on floppy disks and there still where eth0, eth1 and so on but no udev, so where did the names came from? > > > > > I was there, I did try hard, but I was not able to make ifrename > > work reliably in the case you want to rename and reorder > > the interfaces (that is change the name and the number) > > because you change it one by one but the names you want > > are already in use by other interfaces that are up. > > > > > The key is to be imaginative with the naming, using standard network > device names is not recommended an will cause issues if anything is > hotplugged. And to demonstrate how imaginative I am and always > practise what I preach, in one router I use the following. > > wan0 // this should actually be man0 for metropolitan area network, > but I didn't like 'man' and it reaches the wide area network > eventually anyway. lan0 // local area network interface wlan0 // > wireless local area network access point interface > > In another I prefixed 'mb' for devices on the motherboard and 'ex' > for an external USB ethernet adapter. I never did check to see if > they potentially conflict as it just worked fist time trying. > > mbeth0 > mbeth1 > exeth0 > > In my top secret highly confidential system (which I would have to > Men In Black neuralise you if I revealed) I rename so that it makes > my firewall rules easy to read. > > > > > > > _______________________________________________ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
