None at all whatsoever. The router is LinkSys. I've just tried playing in Trench Wars, and I would say it was about a minute or two, I got the message, You have been put into spectator mode due to high latency (spike) Then, Warning: No data coming from server. And at the bottom of the screen it said, You have been disconnected because the server has not been receiving any data from you. Before I played, I turned off the Windows Firewall. <{POST_SNAPBACK}> What series is it? Well here is their site and goto support Linksys