Network address translation traversal (NAT-T)

Hi. I have problem with my wifi. I can't connect to a specific network(can connect to others). I can connect to that network fine from other computer. This happened before, couldn't connect to this network for like a month and then it fixed itself somehow and it worked fine until now. I've tried...

So what happen when 2 PCS in same network have different IP address? Example: 192.168.1.1 192.168.10.1

i have this problem in my laptop's connection. my internet connection turns on and off most of the time and i guess the problem is the DCHP is the problem please help.

I have a total of 4 computers in my house: Computer A: Desktop computer running windows vista, wired connection to router, HOME workgroup. Can access all computers on the network. Computer B: Desktop computer running windows xp, wired connection to router, HOME workgroup. Can access all...

I'm setting up a new computer and having problems getting on the internet. The connection worked at first but was very slow. I changed Ethernet cables to see if that was the problem and now have nothing. The error that I am getting is: "Local Area Connection" doesn't have a valid IP...