Lets try port forwarding then. The 1st thing you must do & this is very important for this to work is to set up a static ip.
1. Set up a static ip

2. Forward port 6346 using these instructions: Motorola SBG900 Wireless Router & guides to setting up a static ip are included.

3. Within LW do this: Manual port forward instructions & sample image & 2 posts after that.

After doing this check the port test page again.