@Kevin_Z I have 6 C20s. The topology is ths one: 192.168.1.1 => Main Router, afther that an 5 port switch who has 4 more computers connected. IPs: 192.168.1.110,127,128,129. In this level connects...

Recently I bought some Archer C20 routers, one to use it as an access point and the other ones are used as range extenders (because I need to connect by wire some networks devices that needs to enter...