FRITZ!Box 4040 Service - Knowledge Base

FRITZ!Box 4040 Service

Integrating FRITZ!Box into the home network via network cable

You can use a network cable to connect your FRITZ!Box to an existing FRITZ!Box and configure it so that it uses the first one's internet connection (operation as IP client).

This way devices connected to the FRITZ!Box are completely integrated into your home network. You can use these devices to access the internet as well as other devices in the home network, and they can use all of the functions offered by the FRITZ!Box connected to the internet.

Note:The configuration procedure and notes on functions given in this guide refer to the latest FRITZ!OS for your FRITZ!Box.

1 Configuring the FRITZ!Box


  • Either use a network cable or wireless LAN to connect a computer to the FRITZ!Box you want to use in the home network. If the computer is already connected to the FRITZ!Box that establishes the internet connection, clear this connection.

Configuring the operating mode

  1. Click "Home Network" in the FRITZ!Box user interface.
  2. Click on "Mesh Networking" in the "Home Network" menu.
  3. Click on the "Mesh Settings" tab.
  4. Enable the option "Mesh Repeater" in the "Mesh Operating Mode" section.
  5. Enable the option "This FRITZ!Box is a network device (IP client) in the home network [...]".
  6. Enable the option "via LAN".
  7. Click "Apply" to save the settings.

The FRITZ!Box is now configured for for operation in the home network.

Important:In this operating mode, the FRITZ!Box can no longer be reached at Instead, to access it you must use the Mesh or home network overview of the FRITZ!Box with internet access or use the IP address that is assigned to it.

2 Connecting the FRITZ!Box

  • Use a network cable to connect the "WAN" port on the FRITZ!Box either directly or by means of a hub or switch to a LAN port on the FRITZ!Box with internet access.

3 Setting up Mesh

If FRITZ!OS 6.90 or later is installed on the FRITZ!Box with internet access, connect the devices to a Mesh.

  1. Push and hold the connect button on your FRITZ!Box with internet access until its "WLAN" LED flashes. Other LEDs may also flash.
  2. Within 2 minutes: Push and hold the connect button on the FRITZ!Box in the home network until its confirmation LED lights up. Other LEDs may also light up.
    FRITZ!Box modelConnect buttonConfirmation LED
    FRITZ!Box 7590, 7530 Connect / WPS Connect / WPS
    FRITZ!Box 7580, 4040, 3490 WPS Info
    FRITZ!Box 7560, 7362 SL WLAN Info
    FRITZ!Box 7490, 7430, 6490, 5491 WLAN WPS Info
    FRITZ!Box 6591, 6590 Connect / WPS Info
  3. The process is complete as soon as the FRITZ!Box with internet access marks the FRITZ!Box with the Mesh symbol in the Mesh or home network overview.