Qubes 4.2 network issues

Hi,

got a problem with my fresh installation. At first I had no connectivity at all. I found a partial solution using “sudo restorecon -vrF /rw” in sys-net which got me networking in appvms and allowed me to update dom0 but templates cannot be connected. The only thing that worked was to set Default update proxy to sys-whonix and set each template’s Net cube to sys-whonix. How do I approach this?