FYI - as I communicated with TP-Link support, for L2TP IPSEC VPN (over port 1701) Advanced-> Security-> ALG, IPSEC Passthrough must be disabled for external access from WAN with beta firmware they...

Hi @Kevin_Z, exactly I am not able to access VPN after enabling UDP port 1701. I created an environment for C80 testing. Yes, my configuration was: ISP modem router---C80---VPN server Because I could...

Hi @Kevin_Z, yesterday I tried to configure my router with your beta binaries. I was able to configure port forwarding for port 1701, but I was unable to test the correctness of my setup. I was...

@alenalien38 my internal network is 192.168.1.x. Archer C80 is behind the router of my ISP. I have configured port forwarding and my ISP too. I am connected to my ISP using the static IP address. I...

@Kevin_Z thank you for the new binaries. I will test it probably on sunday or monday. Have a nice weekend.

@Kevin_Z oh, now it is clear to me. The router can connect to VPN server of the ISP. Am I correct? But in my case I use "Static IP" assigned by my ISP. In this case the port should not be reserved....