Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter. Linksys WRT54GS

Wireless-G Broadband Router with SpeedBooster

Appendix E: Finding the MAC Address and IP Address for Your

Ethernet Adapter

This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC filtering and/or MAC address cloning feature of the Router. You can also find the IP address of your computer’s

Ethernet adapter. This IP address is used for the Router’s filtering, forwarding, and/or DMZ features. Follow the steps in this appendix to find the adapter’s MAC or IP address in Windows 98, Me, 2000, or XP.

Windows 98SE or Me Instructions

1. Click Start and Run. In the Open field, enter winipcfg. Then press the Enter key or the OK button.

2. When the IP Configuration screen appears, select the Ethernet adapter you have connected to the Router via a

CAT 5 Ethernet network cable.

3. Write down the Adapter Address as shown on your computer screen. This is the MAC address for your

Ethernet adapter and is shown as a series of numbers and letters.

The MAC address/Adapter Address is what you will use for MAC address cloning or MAC filtering.

Another screen will show the Ethernet adapter’s IP address. (Shown in the example as 192.168.1.100.) Your computer may show something different.

Figure E-1: IP Configuration Screen

Figure E-2: MAC Address/Adapter Address

Note: The MAC address is also called the Adapter Address.

Windows 2000 or XP Instructions

1. Click Start and Run. In the Open field, enter cmd. Press the Enter key or click the OK button.

2. At the command prompt, enter ipconfig /all. Then press the Enter key.

Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter

Windows 98SE or Me Instructions

Figure E-3: MAC Address/Physical Address

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Wireless-G Broadband Router with SpeedBooster

3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter. This appears as a series of numbers and letters.

The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering.

Note: The MAC address is also called the Physical Address.

Another screen will show the Ethernet adapter’s IP address. (Shown in the example as 192.168.1.100.) Your computer may show something different.

For the Router’s Web-based Utility

For MAC filtering, enter the 12-digit MAC address in this format, XXXXXXXXXXXX, WITHOUT the hyphens.

For MAC address cloning, enter the 12-digit MAC address in the MAC Address fields provided, two digits per field.

Figure E-4: MAC Address Filter List

Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter

For the Router’s Web-based Utility

Figure E-5: MAC Address Clone

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