ZTE - ZXDSL 531B (ZTE Firmware)
Port Forwarding Guide
For automatic port forwarding try Simple Port Forwarding
Some routers & modems work best with port forwarding if you have a static
Manually set your network interface card ( NIC ) to use a static ip address.
You can also download my FREE Simple Static IP tool to set it for you.
Open your favorite web browser and input your routers ip address in the address bar.
Please note that you must have the http:// in order to connect to your router/modem properly.
Need help finding you router IP address? Click here
Enter the routers password here and click the OK button.
If you don't know it you can check our list of default router and modem password list here.
If you have changed it and don't remember it you may have to reset your device to factory default using the reset button on most routers.
Once logged into your router click on the "Advanced" link at the top of the page.
Once the page loads click the "NAT" link on the left of the page.
Once the page loads click the "Virtual Server" link on the left of the page listed under "NAT".
Then click the "Add" button to create a new port rule.
Once the page loads under "Service Name" select " Customized Service:" and give your rule a name.
For "Protocol" select the one you want to use.
For "External Port" enter the port you want to forward.
Example: 2100 - 2200 for a range of ports, OR 2100 for a single port.
For "Internal Port" enter the port you want to forward.
For "Internal server IP address" enter the IP address of the computer you want to forward the port(s) to.
Now click the "Apply" button.
Repeat Step 6 to add more rules.