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I live in a shotgun style house and thus am required to have to wireless routers to reach every room.
- The first router is in my roommate's room and has an IP address of 192.168.1.1 with a DHCP pool of 192.168.1.2-192.168.1.150.
- I have the first router set to use Google's DNS servers (8.8.8.8 and 8.8.4.4).
- I am currently cascading my second router (ethernet runs from LAN on first router to WAN on second router).
- My second router is set to a static IP of 192.168.1.2 (the MAC address of the second router is used to be sure the first router doesn't let any other devices use that IP address), and the gateway and DNS server is set to 192.168.1.1, the IP address of the first router.
Everything seems to be working fine, but I was wondering two things:
Will my second router use Google's DNS servers that are set on the first router if my second router's DNS server IP address is set to the first router's IP address?
Am I understanding correctly, by placing my second router's IP address in the DMZ of the first router, all ports will be forwarded to my second router?
Would forwarding the ports on my first router to my second router's IP address and taking my second router out of the DMZ be a better option? – Steven – 2015-02-10T22:02:28.227
That is a better option to be absolutely sure what is open and what is not. I prefer to know exactly what is exposed on my own network. That being said, port forwarding with double-NAT doesn't always go as expected. – MaQleod – 2015-02-10T22:05:25.740
One last question, I suppose forwarding all the ports I need from my first router to my second router, and then forwarding the ports again on my second router to the my various devices would be ideal? – Steven – 2015-02-10T22:10:58.830
That is pretty much the best option for double-NAT and in most cases that will work, however I have seen that type of setup fail in the past. – MaQleod – 2015-02-10T22:23:59.960