@Medric I noticed that you've reported current FW version 1.1.3. Archer A7 v5 has a newer FW releases which can be found on its support page - here. Latest FW release is v1.2.1. Here's how to update...

@sumpsimus Actually the DNS IP 192.168.1.254 in the RE is your BT router IP address which resolves the domain names correctly. Try the following - disable BT router 5 GHz band and connect the RE to...

@ghost124 This featire should be embeded in the router firmware and it's enabled by default. Here's more details on the feature itself.

@sumpsimus You can name the extended network this way so you know to which wireless band you're connected: Once you've set a static IP address for the extender you can access its WebGUI via...

@JesusM I've seen SNMP supported on some of the old modem routers. Recently, there's no SNMP support for home grade wireless routers - check this and this thread. Business routers though support SNMP...

@Mofinheim No, there's no way to setup more fields - this limitation is embeded into ithe router firmware.