Can’t port forward after leaving bridge mode with external router

Hi there, @user_c50112 ! Thank you so much for reaching your Digital Care team. Thank you for your patience while you waited to connect with me. I'm very sorry for the trouble you are having with not being able to port forward. Please be assured you reached the right person to assist you. Can you please DM me your first and last name along with your full service address so that I can assist you further?

To send a direct message [private message]:

•   Click "Sign In" if necessary
•   Click the "Direct Message" icon 
•   Click the "New message" (pencil and paper) icon
•   The "To:" line prompts you to "Type the name of a person". Instead, type "Xfinity Support" there.
•   - As you are typing a drop-down list appears. Select "Xfinity Support" from that list.
•   - An "Xfinity Support" graphic replaces the "To:" line.
•   Type your message in the text area near the bottom of the window
•   Press Enter to send it