How to Bridge your SMC D3GN Modem


Bridging your modem allows you to use a third-party router and disables the modem’s Wi-Fi capability. Follow these steps to bright the SMC D3GN modem.

  1. Directly connect an Ethernet cable from the modem to the computer.
  2. Open a web browser and enter the following address to access the gateway login page:
  3. Login with:
    • Username: cusadmin
    • Password: password
  4. Click System located on the top left hand menu.
  5. Check the Disable All Commercial Gateway Functions box and click Apply.
  6. After the settings have been saved, the modem will restart. 
  7. Once the modem is online, plug a device into port one to test their connectivity.
    • While in bridged mode, only port one will be active on the gateway.
      • Note: If you want to put the modem back into gateway mode, factory reset the modem by pressing the reset button on the back for more than 10 seconds.