To prevent the ZTE F689 from interfering with your new hardware, you must turn off its local network services:
If you follow the steps outlined above—recording your VLAN ID, performing a port bind, and troubleshooting NAT bugs—you will successfully liberate your home network from the limitations of the ISP's firmware, achieving a professional-grade connection suitable for gaming, streaming, and remote work.
Verify if your ISP requires a specific VLAN ID tagged on the WAN interface of your new router. Bridge Mode Option is Missing
Input your ISP's specific internet identifier inside the box (e.g., 10 , 100 , or 835 ). Zte F689 Bridge Mode
Using two routers simultaneously causes a network conflict known as . Double NAT happens when both the ZTE F689 and your new external router try to assign IP addresses and manage data packets.
Save the changes and restart both devices. Your new router will now receive a public IP address directly from your ISP. Troubleshooting Common Issues No Internet Access on the New Router
: Under the Port Binding section, select the physical LAN port (e.g., LAN1) that will connect to your new router's WAN port. Click Apply/Save . 5. Disable Secondary Services To avoid interference: To prevent the ZTE F689 from interfering with
If your ISP uses PPPoE (common), you must have these credentials.
Locate the dropdown menu labeled or Connection Type . Change the value from Route (or PPPoE/DHCP) to Bridge .
Disclaimer: The following steps are typical for ZTE GPON devices. If your ISP has locked the firmware, you may need to call them to enable bridge mode or use the Inspect Element method on the WAN connection type dropdown if BRIDGE is not selectable. Step 1: Access the ZTE F689 GUI Connect your computer to a LAN port on the ZTE F689. Using two routers simultaneously causes a network conflict
For many homes and small offices, the ZTE F689 ONT (Optical Network Terminal) is the gateway to high-speed fiber optic internet. However, if you're an advanced user—someone who wants to use a powerful third-party router, set up a VPN, or run a home server—the standard "Router Mode" provided by your ISP can be a serious limitation. This is where "Bridge Mode" becomes essential.
There are two main ways to enable Bridge Mode: a standard method (if available) and a more advanced method. Try the standard method first. If that option is hidden, proceed to the advanced method.
If your new router cannot connect to the internet, try the following steps: