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I cannot access my webserver using "public" address. "Public" is in quotes because, actually, my problematic LAN is within my functioning Home Lan (you'll see later what I mean).
Anyways - I have this set up:
MY ROUTER :
LAN : (MAC Address : blah blah)
IP Address : 192.168.2.1
Subnet Mask : 255.255.255.0
WAN : (MAC Address : blah blah)
IP Address : 192.168.1.174 <--- connection running off from home router
Subnet Mask : 255.255.255.0
Default Gateway : 192.168.1.1 <--- home router connected to the cable modem/internet
DNS : 22.214.171.124
WINDOWS LAPTOP :
LINUX DESKTOP (The Apache WEBSERVER)
Static IP 192.168.2.100
IN THE ROUTER :
I have defined port 80 requests to be forwarded to Virtual Server 192.168.2.100.
WHAT I CAN DO : I can access the weberver (ie; see the default index.html) when I access:
(1) localhost from the Linux Desktop
(2) 192.168.2.100 from the Linux Desktop
(3) 192.168.2.100 from the Windows Laptop
I can access the Internet in both.
WHAT I CANNOT DO : I cannot access the webserver from either desktop or laptop when I try to access 192.168.1.174 - which I assume is my LAN's "public" IP.
I agree with david_ross. Try cycleing the power on the cable modem, then the router. Wait for the cable modem to come back online and then reboot the router. Sometimes with cable modems they get "stuck".