@Lamartine QOS guarantees a minimum speed. It's not used to limit speed. If you want to limit the bandwidth of a device you should go to: Network Map -> Clients edit the client that you want to limit...

Hello @Kevin_Z I installed the beta firmware. It fixes the issue of the changed internal IP address. After reboot the system had the same local IP as before. Thank you very much. Florian

@Kevin_Z the issue looks similar. But, since I have no DNS server in my network it's ok, that the dns ip is the same as the gateway ip. The entries in default gateway and primary dns are consistent...

Just as an information for other users and support team. updated firmware to Version 1.12.0 Build 221010 Rel.35508n(4555) internal ip changed from 10.10.10.254 to 10.10.10.221 after this update mixed...