Ok here is a list of my current settings on both the router and modem.
DMZ Hosting: Off
Dynamic Routing (RIP): Off
DCHP: On. I also have the DCHP address reservation for my computer set here.
Firewall: The only option is to check a box by "Disable SPI Firewall". I currently have it checked, AKA the SPI Firewall is off.
NAT: The only 2 options are "secured" and "open". I have it set to open. There is also an option to "Disable SPI ALG". Should I turn this off?
I know the problem lies in these settings somewhere. At least I hope.
I also have my ports forwarded via the router.
I am kind of afraid if I turn off my DCHP and/or NAT on my modem my internet will go out and I am REALLY trying to avoid that if at all possible. Doesn't my router get assigned its IP by the modem's DCHP? And if I turn it off it won't be assigned one which would mean no internet connection?
I used a utility found here: http://www.pcwintech.com/shanes-toolbox called detect routers which is meant to tell you if you have multiple routers on your network. I have 2. How can I make this show just 1? I really don't want to have to use DMZ as it is not very secure.
Edit: After some further reading here http://www.practicallynetworked.com/networking/fixing_double_nat.htm I'm convinced that double NAT is my issue. My router is being assigned a private IP address 192.168.x.x as its WAN address. This means that my modem is assigning it this address via NAT and that I have two NATs at work. I tried turning off the NAT on my modem but this resulted in loss of connection. I also tried to forward my modem's ports to my router's WAN IP, so it could then forward the ports as needed as explained in "The Remedy" section in the above link. But when I tried to make a new rule it said it was an "invalid port". HELP D:
Edited by Cybernetiks, 12 November 2014 - 03:18 AM.