it's probably blocked in the firewall settings...check that out.

@Andone I guess we are getting what we pay for, eh ?? A $60 router is not going to have all the features of a Cisco or Netgear router costing 10 times as much. I started getting the "Pings of Death"...

Yes......I started getting the Ping of Death on our 3 TL-R600 routers connecting 3 branch offices. The IPSEC between the routers kept disconnecting and reconnecting making access to server not work....