@nivetaj Yes, there is. Using a network scanner like: https://angryip.org/. After connecting your laptop to the wireless network (it doesn't matter whether main router's or TL-WR802N's) scan your LAN...

@nivetaj Most probably your TL-WR802N LAN IP address is not 192.168.0.1 anymore, once set up in RE mode. To be able to find its actual IP address connect your laptop to your main router wi-fi and log...

@Leonardo_ala Here's some brief explanation on how NAT (in particular port-forwarding) works, just FYI. Your last question is related to so called NAT loopback (hairpinning) - if it's implemented on...

@gibbsyns3 You could use the C6 WDS feature with C1200 as a main router - it might work - you just have to test it, regardless that C1200 doesn't have WDS implemented. For WDS to be built only the...

@Leonardo_ala When you're addressing http://192.168.1.1:4000 you're expecting that your VR400 has a service running on port TCP 4000 - which I suppose it doesn't. If the service in question is...

@Leonardo_ala What about 192.168.1.33:4000 ? Is this the device (192.168.1.33) that's running the service in question on its port 4000 ? You should be able to access that from your local network....