I've epon 1ge+wifi modem+router that my ISP gave me and another Dlink DIR 600 router behind the modem with which my laptop is connected. I need to setup port forwarding for my pc i tried port forwarding from modem to router thn from router to pc but it is not working.

Setup right now:-

Epon 1GE+WIFI (Modem+Router)

[It is handling the connection to ISP and Whole DHCP server]
IP :
Subnet :
Mode : Route
DHCP : enabled

Dlink DIR 600

IP :
Subnet :
DHCP : none(it has WAN connection type option in Internet settings which is set to DHCP)

ISP==> Epon 1ge+wifi(Modem+Router)==> Dlink DIR 600(Router)(through LAN) and other devices(with wifi)==> PC+other devices(through wifi)

P.S. I used same subnet to overcome the Double NAT problem but i think it is still not resolved and I noticed all devices behind the router are showing public ip other than the ip of modem.

what am i doing wrong?

should i set Dlink as DMZ in Modem?
should i connect Dlink on WAN port instead of LAN port?
the Setup is incorrect?

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The dir-600 has port marked "internet" (http://www.dlink.com/al/sq/products/dir-600-wireless-n-150-home-router), which you should use to connect it to the Epon.

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i tried, but i had to enable dhcp in Dlink which gave my pc ip, I had read in other threads that it creates Double NAT problem.– MackJan 15 at 15:03

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