THis might help http://www.gnutellaforums.com/334500-post11.html with a link to the pdf manual. It appears your router does not use UPnP thus port forwarding OR port triggering is required. You do need to reboot the device for the changes to take effect. :)

Also for LW: http://www.gnutellaforums.com/connec...nection-2.html & http://www.gnutellaforums.com/connec...tml#post334508, since FW may help your LW connect. :)