Michel Verdier <[email protected]> writes: > On 2025-12-21, Richmond wrote: > >> Does anyone know why these two settings have no effect? >> >> cat /etc/sysctl.conf|grep -v ^# >> >> net.ipv6.conf.all.use_tempaddr=2 >> >> cat /etc/sysctl.d/99-ipv6-privacy.conf >> net.ipv6.conf.all.use_tempaddr=2 >> >> Whereas the subject line works after wifi is switched off and on >> again. > > Could you check grep -r use_tempaddr /etc/sysctl* > > But I think "all" set use_tempaddr for existing interface and > "default" set it for future interface. I have "all" and "default" for > various parameters in my conf. So if you add in your conf > net.ipv6.conf.default.use_tempaddr=2 it should be used at boot.
Yes it worked, thanks. How puzzling. So existing interfaces don't exist at boot time I guess.
