Hi Wolfgang, thanks. I've tried it today and I'm carefully optimistic. On friday I'll test it detailed and give you a qualified report. Roland On 15.07.20 12:22, Wolfgang Schweer wrote: > Moin Roland, > > On Tue, Jul 14, 2020 at 10:42:35PM +0200, Roland F.Teichert wrote: >> All workstations loose after half an hour their IP address. >> The syslog tells me: >> LehrerPC avahi-daemon[460] :withdrawing address record 10.0.0.2. on eth0 >> LehrerPC avahi-daemon[460]: Leaving mDNS multicastgroup on interface >> eth0.IPv4with address 10.0.0.2 > This is supposed to be a follow-up action after losing the IP address - > not the reason for losing it. > >> ip addr shows, there is no IP. >> This happens at all workstation (not the workstation on tjener). > As opposed to workstations, tjener has a static IP address. > > We had a similar issue before (to update the hostname after a reboot), > see https://bugs.debian.org/933580 > >> The only solution is a new boot - for another half an hour. >> Does anybody has an idea or a solution? > Please move /etc/network/if-up.d/wpad-proxy-update out of the way and > test if this helps. > > Currently, I don't have a Debian Edu Buster test environment, so your > feedback could help to fix this bug. > > Wolfgang
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