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I need NAT Loopback capability that my DPC3939 does not support. What can I do?

Frequent Visitor

I need NAT Loopback capability that my DPC3939 does not support. What can I do?

Is there a newer comcast modem I can swap out that will give me this capability? 

Expert

Re: I need NAT Loopback capability that my DPC3939 does not support. What can I do?

AFAIK, none of the Comcast supplied gateway devices have ever allowed "NAT Loopback". Neither does most of the popular retail routers.