@Steven_76 Use this guide to configure RE200 in AP mode.

@saad_bhaldar Best approach would be to use the device reset button (hold it pressed for about 10 seconds) to return the device factory default configuration - check this FAQ.

@Adrian12adrian Check this post. Or you can use the recommended approach described in this FAQ (Paer 3) - Q3.6

@Zuke Check this feature request regarding that matter. You can up-vote the request to support it:

@PaulR789 If you want to separate your main router network from C50 network you have to use C50 in router mode instead. In this case C50 will create a double NAT and its LAN will be in a different...

@SunnPhoenix Probably if you ask your ISP to stop it's wireless radio and use the AX1900 in AP mode (Case 1) would do the job.