FRITZ!Box 7530 Service - Knowledge Base

FRITZ!Box 7530 Service
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Transmission rate of LAN connections is only 100 Mbit/s

The maximum transmission rate of the LAN connection between the FRITZ!Box and a computer, NAS system, or other devices is 100 Mbit/s, although the device supports gigabit LAN.

Simply proceed as described below. After each measure, check whether the problem is solved.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Adjusting the FRITZ!Box's LAN settings

  1. Click "Home Network" in the FRITZ!Box user interface.
  2. Click "Network" in the "Home Network" menu.
  3. Click on the "Network Settings" tab.
  4. Enable "Power Mode" for all of the LAN ports being used.
  5. Click "Apply" to save the settings.

2 Connecting the device directly to the FRITZ!Box

This step is only necessary if the device is not directly connected to the FRITZ!Box, but through a hub/switch, powerline adapter, LAN/Wi-Fi converter, or other devices instead:

  1. Connect the device directly to a LAN port on the FRITZ!Box. If possible, use the network cable included with the FRITZ!Box.
  2. If you can establish a gigabit LAN connection to the FRITZ!Box now, then the intermediary device or its cabling does not support gigabit LAN:
      1. Make sure that the devices support gigabit LAN.
      2. Update the software / firmware of the devices.
      3. Use different network cables to connect the devices to the FRITZ!Box. Use the shortest possible high-quality network cables (CAT-5e).

3 Testing a different cable

The device may be connected to the FRITZ!Box by means of a network cable that is too long, incorrectly wired, or defective:

  1. Use the shortest possible high-quality network cable to connect the device to the FRITZ!Box, for example the network cable included with the FRITZ!Box.

    Note:Any standard STP-type (Shielded Twisted Pair, 1:1) CAT-5e Ethernet cable with a maximum length of 100 m can be used to connect a network device to the FRITZ!Box.

4 Installing the latest software for network adapters

  1. Install the latest driver for the computer's LAN network adapter or the latest software for the device.

    Note:Since Windows Update often does not install the latest device drivers, install the drivers from the manufacturer's website (for example Intel, Broadcom, Realtek).

5 Disabling energy-saving functions for the network adapter

  1. If energy-saving functions are enabled for the computer's LAN network adapter or the device, disable them for testing purposes.

    Note:In Windows, different power saving functions can be set for many network adapters under "Properties > Power Management" in the Device Manager.

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