Press "Windows-R" to open a Run box. Type "cmd" -- without quotes here and throughout -- in the "Open" field, then press "Enter." If a User Account Control message displays, click the "Yes" button. A ...
the port forward is referring to the NAT ip addresses, not the external ip your ISP is giving you: so if all your machines are getting 192.168.1.50-100 from dhcp, switch one of them to a static ip ...