Hello, we need to make sure your modem and Comcast Business service is operating correctly. Are you experiencing any other internet connectivity issues? Please send a private message anytime so I can do all I can to help. Are you able to include your name, service address, account number, and phone number so I can locate your account?
I have the same issue. I have tried forwarding the L2TP-required ports, and I have also tried putting the Ubiquiti router (which rund the VPN server) in the DMZ.
My service address is "Edited to remove account specific information". Service name is "Jon Rhees"
Thanks so much for taking the time to reach out to us through our business forums. I very much appreciate your patience and greatly apologize for the delay in our response. I know how important the services are to your business and we want to do all that we can to assist. I would love to assist with the internet connection and port concerns. Can you please reach out through private message with your first and last name, business service address and account number or phone number? Your account specific information was removed from your public post for the security of your business account.