Bridge Mode - Zte F689

Toggle the state switch to Disabled or uncheck Enable DHCP Server . Click Apply .

Before altering your gateway configurations, prepare the following items to ensure a smooth transition:

It performed Network Address Translation (NAT) aggressively, firewalling ports he needed open, and its Wi-Fi signal wheezed like an old man climbing stairs whenever he tried to stream 4K video or run his home server.

Never skip this step. If something goes wrong, a backup file allows you to restore your internet instantly. Navigate to or Administration . Look for System Management > User Config Management . Zte F689 Bridge Mode

If your new router fails to pull an IP address, power down both the ZTE F689 and your new router completely. Wait two minutes. Power on the ZTE F689 first and wait for its lights to stabilize. Then, power on your new router. This force-resets the MAC binding at the ISP authentication server. Cannot Access ZTE F689 Interface Later

Locate the administrator username and password. This is usually printed on a sticker at the bottom or back of the ZTE F689. Note that standard user accounts cannot change WAN settings.

admin or admintelecom (or check specific ISP forums for your provider's custom master password). Toggle the state switch to Disabled or uncheck

October 2023 Target Device: ZTE F689 (GPON/EPON ONT/ONU) Difficulty Level: Moderate

You need the deep admin login for the ZTE F689. The standard user credentials printed on the sticker (like user / user ) will not show the necessary WAN settings. You usually need logins like admin or telecomadmin .

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. Never skip this step

With the ZTE F689 operating as a transparent bridge, configure your personal router to manage the network edge.

: Advanced users sometimes bypass these restrictions by right-clicking hidden elements, selecting "Inspect," and manually changing HTML attributes from to reveal hidden settings. VLAN Tagging : Most fiber connections require a specific (e.g., 881 for some providers) to be configured on your router after bridging for the internet to work. Loss of Access

Although bridge mode usually handles this automatically, some ZTE F689 models (like the 5G CPE variants) have a bug where NAT remains active. To prevent conflicts:

If your device is not fully locked, use these steps to bridge it:

Navigate to . Export or download your current configuration. If things go wrong, you can perform a factory reset and restore these settings. 3. Identify Your Internet Connection