When I had the Technicolor TC8305C installed I also could not connect to my VPN. After two hours on the phone with COMCAST (dropped twice when transferred) I agreed to pay $49.95 for premium support. The guy told me that the TC8305C did not support VPN and I need to install an external router. He did refund my $49.95 because he couldn’t solve my problem. I purchased the NETGEAR 2000v4 and installed it. Still no VPN. I finally found this string on the forum and saw that I was not the only one having this issue .Having the Wi-Fi part of the TC8305C seemed to have too many issues. I called COMCAST to take the TC8305C back and install just a modem without WI-FI. They came the next day and installed an ARRIS TM702G. BINGO ,my VPN was back and had Wi-Fi with the NETGEAR WNR200v4. Problem solved!
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