VPN not connecting in Archer C60 while connected as a Secondary router
I am using BSNL Fibre Broadband connection with BSNL Provided ONU(Ont + Wifi router). I purchased Archer C60 router to increase Wifi signal strngth and 5 GHz access.
I took Connection from BSNL Router LAN Port 1 and connected to TPlink WAN. Now the Internet is working fine. When I setted up VPN, Cant establish the connection from client to the router.
Kindly help me to solve this issue. I can able to ping TPLink DNS properly It gives reply in a proper manner. but VPN Connection is Unsuccessful.
Looking for the support to sort it out.
Thanks in advance.