Thanks so much for the help.

Netgear does have DMZ and I tried that without success. I also tried to hook up the sling and DSL through a switch that I have so that we could isolate the Netgear as the problem and it turns out the my switch is one that does not work with sling (D-link).

I do have port forwarding set up for my work VPN and that is working. It took a little while to get it up and running, but it works.

I am in the office today so I will try the other suggestions tonight when I get home and report back.

Thanks again!