I have a problem with three white cameras with reference T8808RW. The problem is that the cameras can not be seen outside over the internet, but if you can do internally, which is when I connect my PC to the internal router. On the external router I can't see the cameras which is equivalent to trying to see the cameras from the external internet. Due to the problem that the wireless HG520b EchoLife Huawei, which is the ISP' router is not detected by the cameras, and they do detect by the TP-LINK wireless, a more powerful router, the 3 cameras have to connect to this finally comes to the internal; and this in turn is connected to the output router via cable, the Huawei comes to be the external router. I've done the following, and then I reset the router and still have the same problem: 1 - Both routers have port forwarding configured and registered respective IPs and ports of the cameras. 2 - The TP-LINK address is 192.168.1.1. The cameras are connected to it via wireless. The cameras have the address 192.168.1.125 on port 8083 (I tested with 80-83) and 192.168.1.126 with port 8081 (I tested 80-83) and 192.168.1.127 on port 8082 (I tested with 80-82). 3 - The Huawei address is 192.168.0.1 and I set it the above three IP's address at Virtual Server into NAT menu. I have configured the DMZ disabled and enabled, when I set enable I tried with the router's IP address or the ip of one of the cameras. Regarding the firewall I tried SPI disabled and enabled as well, the router does not have the version that allows you to enable individual applications inside the firewall. 3 - The other thing I did was change the Loopback NAP over Huawei, was in default on, I've put it off. 4 - I also tried to set different IP addresses DDNS in both: the TP-LINK as the camera's setup (I didn't see this option at Huawei). Regarding cameras menu, these are assigned by default to the same internal router ip (192.168.1.1). I put there data such as external ip (MyIP), or the DDS assigned by my ISP (ETB) that can be 200.75.51.132/133. The camera manages its own DDNS, the default type is icam and I didn't try other kind of DDNS. 5 - I did a similar test which worked and it was as follows: TP-LINK router internal and external modem, a Motorola SBG900 (which is another IPS, Telmex). In this configuration there are not problem in order to see the cameras through external internet. This setup works in my home, the problem is in other place where the ISP is different. 6 - Regarding test ports, once I'm connected to the external Huawei router, I see that all of the following ports: 80, 81, 82, 83, 8081, 8082 and 8083 are not accessible. 7 - I don't know if the problem is on network segments. I do not know if the 2 routers are not configured with IPs which not see each other by the fact that internal is 192.168.1.1 and external is 192.168.0.1 The default IP router of Huawei couldn't be changed. Insteance we could change the TP-LINK IP's default. I appreciate any help you can provide. Regards, Jose Ignacio Saavedra Vivas From Bogota, Colombia