When installing for the first time, please remember to adjust your NAT/firewall -if you can. The ports to forward can be found on the +if you can. The ports to forward can be found on the network configuration page in the router console. If guidance with respect to forwarding ports is needed, you may portforward.com to be helpful.
Please review and adjust the bandwidth settings on the -configuration page, +configuration page, as the default settings of 96 KB/s down / 40 KB/s up are fairly conservative.