I have a MBP13 (2009 model) connected to my wireless network with a DLink 2000AP as my wireless server. Here's the problem: When I move away from the server... I can see the network, I can join the network... but I cannot PING the network To fix it... I just come closer, connect to the network, Ping is good, and then move back to where I was before... all sweet, no issues. This happens everytime I need to reconnect. Has me totally stumped... does not make sense to me. Can anyone shed some light on this issue?