Changing ISP from Virgin to BT FTTP

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rapshank1882 wrote:

My question is, when BT install the new line into my office, can I plug directly from the ONT into Orbi via the lan cable or do I need to use their modem/router/hub then connect to Orbi via lan cable as per my current Virgin setup?

 

Finally, if the question above is yes, will my Orbi config 'continue' as normal (wifi names, passwords etc) once it picks up the new super charged speeds?!

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Yes, the Orbi should connect directly to the fiber ONT.  Fiber is installed in numerous ways.  Like cable modems, sometimes the ONT is "only an ONT" and the ISP wants to provide a separate box which includes a router, WiFi, etherent ports, etc. etc.  Other times, that ONT has the router and WiFi built in.  Might be worth a call to BT to ask specifically what they intend to install.  They are gaining a customer. Perhaps they will be included to answer questions. (Maybe a steady stream of customers?)

The Orbi WiFi name (SSID) and password will remain unchanged.  There is a chance that the Orbi's LAN IP subnet may change. When the Orbi receives an IP address on its WAN port, it selects a different private IP range for the LAN side.  Generally, if the Orbi is connected directly to the internet and receives a truly public IP address, it will choose 192.168.1.x for the LAN side.  If it is connected to a router which gives the Orbi a 192.168.1.x IP address, then it will select 10.0.0.x for the LAN side.

If you have done nothing to configure the LAN side, then your devices should get new IP's and continue to work.