Simple Routing Problem 1

[JavaTurkey]

Hi-
i have a very simple network right now. i have a cisco 1700 connected to the internet which was working fine. Then, I changed my internal interface on the cisco to a private subnet (192.168.2.x...it used to be the subnet assigned by my provider). Then, I have a static route setup as:
0.0.0.0 0.0.0.0 (the IP of my provider on the other side of my router).

The router can ping everything fine, but a computer on the internal subnet of the router can only ping the outside interface of the router....but not my provider's interface or beyond. Does this make sense!? help!

 

[StarTAC]

u say you changed your internal IP to a private IP... is that on your ethernet interface...?..

are you LAN machines also configured with the same subnet.. that is, do they have private IPs also, in this 192.168.2.0 class...?...

if so, u may need to do some NAT on the router so they connect to the internet... u can overload the private IPs onto your serial interface, if your serial interface has the public IPs from your provider...

good luck..

 

[hexn]

The problem is that the 192 network is not routable on the internet. So when you attempt to ping anything beyond your own router, it wont return.

You have to do what is called NAT. This makes it so that when a computer on the 192 network attempts to go out the internet, the router will exchange its own public IP for the internal IP. Then it changes it back when the internet packets return to the router.