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Knowledge document #43

Determining the MAC address of the FRITZ!Repeater

A MAC address (Media Access Control address) is the hardware address of a network interface (for example Wi-Fi) and serves as a unique identifier of a device in a network.

The MAC address at which computers, smartphones, or other devices can access the FRITZ!Repeater depends on whether the device is connected to the FRITZ!Repeater via a network cable or Wi-Fi.

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

1 Determining the Wi-Fi MAC address

  1. Click "Wi-Fi" ("Wireless") in the user interface of the FRITZ!Repeater.
  2. Click "Wi-Fi Network" ("Radio Network") in the "Wi-Fi" ("Wireless") menu.
  3. Click "More Information on the Wi-Fi Network" and take note of the respective MAC address.

2 Determining the LAN MAC address

The LAN MAC address of the FRITZ!Repeater is either displayed in the router to which the repeater is connected as a LAN bridge or can determined on a computer connected to a LAN port on the repeater. The procedure depends on the operating system of the computer:

Windows

  1. Press the keyboard shortcut Windows key + R.
  2. Enter cmd in the "Open" field and click "OK".
  3. Enter nslookup fritz.repeater in the command prompt window and press Enter.
  4. Make note of the IP address of the FRITZ!Repeater displayed next to the entry "Address:".
  5. Enter arp -a [IP address of the FRITZ!Repeater] and press Enter.

    Example:
    arp -a 192.168.178.20

  6. The MAC address of the FRITZ!Repeater is displayed under the entry "Physical Address".

macOS

  1. Open the Finder.
  2. Click "Applications" and then "Utilities".
  3. Open Terminal.
  4. Enter nslookup fritz.repeater in the Terminal and press Enter.
  5. Make note of the IP address of the FRITZ!Repeater displayed next to the entry "Address:".
  6. Enter arp [IP address of the FRITZ!Repeater] and press Enter.

    Example:
    arp 192.168.178.20

  7. The MAC address of the FRITZ!Repeater is displayed.

Linux

  1. Open Terminal. If you are using Ubuntu, you can open Terminal by pressing the keyboard shortcut CTRL + ALT + T.
  2. Enter nslookup fritz.repeater in the Terminal and press Enter.
  3. Make note of the IP address of the FRITZ!Repeater displayed next to the entry "Address:".
  4. Enter arp [IP address of the FRITZ!Repeater] and press Enter.

    Example:
    arp 192.168.178.20

  5. The MAC address of the FRITZ!Repeater is displayed.
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