: Prevents connection drops on corporate and personal VPNs.
Note: Once DHCP is disabled, your computer will lose its IP address. This is normal. Connecting Your Third-Party Router
The default admin or user passwords will NOT show the bridge option. You need the superadmin login. Common credentials for ZTE F689:
Turn off both the ONT and your new router completely. Leave them disconnected from power for 10 full minutes to flush the ISP-side ARP/MAC cache, then reboot. zte f689 bridge mode exclusive
Select the physical LAN port (highly recommended to use ) that will connect to your new router. Click Apply or Save . Step 5: Disable Wi-Fi and DHCP
Go to Internet > WAN > WAN Connection .
The ZTE F689 is a widely distributed fiber gateway used by ISPs for FTTH connections. For advanced home networks—where users want to run their own router, separate firewall, or a routed network with full control—placing the ZTE F689 into bridge mode (or otherwise disabling its routing/NAT functions) is a common requirement. This column explains what “bridge mode exclusive” means in practice, why you might want it, the typical methods for achieving it on the F689, key pitfalls, and practical alternatives. : Prevents connection drops on corporate and personal VPNs
) often lock these settings at the firmware level, getting it to work can be tricky. Why Bridge Your ZTE F689? Eliminate Double NAT:
Ensure you have a high-quality Cat5e or Cat6 ethernet cable to link the two devices. Step-by-Step Guide to ZTE F689 Exclusive Bridge Mode
If your ISP has disabled bridge mode or you can't access super admin settings, offers an alternative. The DMZ feature can expose a single device (your personal router) directly to the internet while keeping the ZTE F689's firewall active. Connecting Your Third-Party Router The default admin or
Do not use the standard user credentials printed on the physical sticker of the router. Those accounts lack WAN modification privileges. You must log in using the Administrator or Superuser credentials specific to your ISP network. Common default superuser combinations include: Username: admin | Password: admin Username: telecomadmin | Password: admintelecom Username: user | Password: user Step 2: Document Existing WAN Settings
. This "exclusivity" is often enforced through customized firmware to simplify technical support and ensure the ISP maintains control over the connection. How to Enable Bridge Mode