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Knowledge document #43

Determining FRITZ!Powerline's MAC address

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. Each of the network interfaces of the FRITZ!Powerline adapter has its own MAC address.

The FRITZ!Powerline adapter uses the MAC addresses for

  • wireless devices connected to the Wi-Fi network of the powerline adapter.
  • the powerline connection in a powerline network.
  • devices that are connected to the LAN port on the powerline adapter via network cable.

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

1 Determining the Wi-Fi MAC address for registering wireless devices

  1. Click "Wi-Fi" ("Wireless") in the user interface of FRITZ!Powerline.
  2. Click "Wi-Fi Network" ("Radio Network") in the "Wi-Fi" ("Wireless") menu.
  3. The MAC address is listed in the section "Active Frequency Bands".

2 Determining the powerline MAC address

The powerline MAC address of the FRITZ!Powerline adapter is printed on the type label on the back side of the FRITZ!Powerline adapter or it can also be determined using the user interface:

  1. Click "Powerline" in the user interface of FRITZ!Powerline.
  2. The MAC address is listed in the menu "Powerline" under "Device information".

3 Determining the LAN MAC address

The LAN MAC address of the FRITZ!Powerline adapter is either displayed in the router to which the powerline adapter is connected as a LAN bridge or can determined on a computer connected to a LAN port on the powerline adapter. 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.powerline in the command prompt window and press Enter.
  4. Make note of the IP address of the FRITZ!Powerline adapter displayed next to the entry "Address:".
  5. Enter arp -a [IP address of the FRITZ!Powerline adapter] and press Enter.

    Example:
    arp -a 192.168.178.20

  6. The MAC address of the FRITZ!Powerline adapter 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.powerline in the Terminal and press Enter.
  5. Make note of the IP address of the FRITZ!Powerline adapter displayed next to the entry "Address:".
  6. Enter arp [IP address of the FRITZ!Powerline adapter] and press Enter.

    Example:
    arp 192.168.178.20

  7. Make note of the MAC address of the FRITZ!Powerline adapter.

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.powerline in the Terminal and press Enter.
  3. Make note of the IP address of the FRITZ!Powerline adapter displayed next to the entry "Address:".
  4. Enter arp [IP address of the FRITZ!Powerline adapter] and press Enter.

    Example:
    arp 192.168.178.20

  5. Make note of the MAC address of the FRITZ!Powerline adapter.
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