Thank you. I suspect the connection devices might be related to your problem. You need to ensure UPnP is enabled on your devices for LW to be able to communicate directly with them so a port can be opened for it. Have a look under the UPnP section of the following link:
Connection problems? Check here first! (click on link); ie: enable UPnP on both the d-link & netgear. Wireless devices almost always have internal NAT firewalls.