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Dokument informacyjny #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. Each of the FRITZ!Repeater's network interfaces has its own MAC address.

The FRITZ!Repeater uses the MAC addresses for

  • the Wi-Fi connection to the wireless router.
  • wireless devices connected to the Wi-Fi network of the repeater.
  • devices that are connected to the LAN port on the repeater via network cable.

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 for registering devices with the router

  1. Click "Access to Home Network" in the user interface of the FRITZ!Repeater.
  2. Make note of the corresponding MAC address in the "Local Wi-Fi Network Information" section.

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

  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 make note of the respective MAC address.

3 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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