Posted 07 November 2005 - 10:50 AM
Your router has 2 addresses.
It has the Internal address that starts with 192.168.x.x - that's for all the stuff inside the LAN (Local Area Network - all the computers hooked into the router)
And it has an External address which is what's seen on the internet when someone tries to reach your computer (and it's assigned to you by your ISP). It's not visible using ipconfig because the router's only seeing the network that it's connected to - and hasn't made the translation to the external address.
When a packet of information is sent to your computer, the router gets it first. It decides which computer on the network will get the packet and then sends it to it. Most of this is transparent to the user, but occasionally you'll get problems if there's a "hiccup" somewhere in the system.
If you've got a special program (like pcAnywhere, or an FTP server) that needs to be told how to do this - you'll use a feature called "port forwarding" - that forwards the ports that you've designated to a specific internal address - rather than letting the router decide.
Now that I've thoroughly confused the issue, let me restate:
A packet is how the information travels over the internet.
When a packet comes to you, it comes to your External address which is at your router. The router reads the packet and translates the address to the proper Internal address (which is your computer) and you receive the packet.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able. - John
(my website: http://www.carrona.org/
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