I was indeed able to update the bad entry and once I updated the ip address/port combination it corrected the exisring mismatched port assignment. Will attempt to delete the entry completely this weekend and report back. Didnt want to risk breaking it again, as the port forward is essential to getting my job done. More to follow. Thanks for your assistance.
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I have been having this same issue since they forced all changes through the XFi app or using the web browser. When I was able to login directly to the router, everything worked just fine. I've had at least 3 different calls over the last 8 months with Xfinity support, since they have a terrible CRM system, I've had to repeat myself each and everytime to the 2nd level tech support. (last night was real funny the first support reps immediate response was to start troubleshooting call forwarding) Each time the support folks have the same issue, they can't login to the router and delete the port, nor can they do it from the XFi interface. The ultimate resolution is to restore the router to factory defaults and reconfigure all the settings. This is a bug in the XFi setup that Xfinity dosen't seem to have an answer for, nor are they interested in escalating the problem. After posting this note I will be factory resetting my router AGAIN.
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