On Mon, 2022-06-27 at 17:26 +0100, Tom Hughes wrote:
> On 27/06/2022 17:09, Tom Hughes via devel wrote:
> > On 27/06/2022 17:05, Thomas Haller wrote:
> > 
> > > On Mon, 2022-06-27 at 13:09 +0100, Tom Hughes via devel wrote:
> > > > 
> > > > Twice now I have had to go and reconfigure my networks after a
> > > > Fedora
> > > > upgrade has changed the MAC assignment policy.
> > > 
> > > Interesting. Are you sure it was twice? I thought it changed
> > > "only"
> > > once in F31 (2019).
> > 
> > No it has just changed again in F36 at least for bridges, back
> > to what it was before the previous change I believe.
> 
> I've had a look through the git log for my DNS and taking one
> machine as an example:
> 
>       initially - bridge had MAC of 00:b0:c2:02:4c:f3 from member
> Aug 2015 (F22) - bridge changed to 1a:81:14:46:3c:c7
> Jan 2020 (F31) - bridge changed to fe:e3:75:bd:6a:8c
> May 2022 (F36) - bridge changed back to 1a:81:14:46:3c:c7
> 
> Only the first one corresponds to a member, so I think F22 is
> where persistent addresses were first introduced. I'm not sure
> what happened in F31 than then got reverted in F36.
> 
> Tom
> 


Hi Tom,


Thanks for checking.

I don't know why that would have happened. It also depends which tools
you are using for creating the bridge.

I agree, this is something to avoid! And maybe a the best reason to not
change anything on Fedora 37.


Thomas
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