Thank you for your help! theoretical both use the same provider and I was also thinking about giving the SIM from the new in the old device. but I think it doesn't matter in total, because the...

According to my ISP it is a Huawei HA 35-22. But as far as I could see it is modified very hard BC most options are only described but not available. There is also a internet TV connected which is...

thank you for the details I noticed that I used the term wrong, sorry. my ISP serves 10 and my TP uses 192 and some devices are still getting the responses for the 10-network. so they are not in the...

Thank you for clarification. I thought I missed a config. Isn't a router splitting a network into several subnetworks so each has own IP range or am I mixing things?

unfortunately, the old router from my provider is not configurable that much like the new one therefore I can't disable DHCP for example

I have connected my router to the old one from my provider. Now I have some clients which use the DHCP server from the old device. Is there a way to block the messages or configure my router as main...