Airport Extreme -- ARD or Screen Sharing Problems

[ncfuser]

OK. I am trying to set up remote desktop to use my Macbook to connect to my iMac while I am at work. I am using no-ip for DNS. I set up the Airport Extreme for port forwarding. Checked and the port is open. But still unable to connect to the name or ip of my iMac. So I checked and all of my Macs have the same external IP. This is probably why I can not connect to that ip, because they all have the same ip? So I looked at the setting on the APExtreme and it is set to "Share a public IP". So that looks to be my problem? So do I set it to "Distribute a range of IP addresses"? Looks like I lose NAT and it looks like I also lose the Guest network. Is this correct? Is this a good or bad thing? Any other way around this?

Thanks

 

[ncfuser]

I now understand the ip address thing

Not sure what else to look at.
Here is a rundown.

ARD works on my local network going from Macbook to iMac.
iChat screen sharing works while NOT on local network.
Reservations is set up for my iMac to be .7
Ports 3283 5900 (ARD Service default) to .7
Remote management check is on in sharing.

Still unable to connect using ARD or Screen Sharing (non-ichat) to the IP that is given to my router while NOT on my local network.

 

[GGJstudios]

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