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Ethernet host name

Specify the local host name. The local host is the board running the model.


Default: FRDM_K64F

MAC address

Specify the Media Access Control (MAC) address, the physical network address of the board.

Under most circumstances, you do not need to change the MAC address. If you connect more than one board to a single computer so that each address is unique, change the MAC address.

To change the MAC address, specify an address that is different from the address that belongs to any other device attached to your computer. To obtain the MAC address for a specific board, refer to the label affixed to the board or consult the product documentation.

The MAC address must be in the six octet format. For example, DE-AD-BE-EF-FE-ED


Default: 00-CF-52-35-00-01

Enable DHCP for local IP address assignment

When you select this parameter, the board gets its Internet Protocol (IP) address from the local Dynamic Host Configuration Protocol (DHCP) server on the network.

Select this parameter when the development computer and the board are connected to a router.


Make sure that the network to which the board is connected supports DHCP for IP address assignment.

To find the IP address assigned to the board:

  1. Open a browser and enter the router IP address in its address bar.

    If you do not know the router's IP address, check the manufacturer's documentation.

  2. To log in to your router, enter the user name and password.

    The default user name is usually admin and password is password. You can search for the default user name and password in its user manual.

  3. On the home page, search for the DHCP settings.

  4. Find the name of the board in the list of devices that are connected to the router's network. The IP address assigned to the board by the DHCP server is listed with the board's name.

Use this address for any further communication with the board.


Default: on

Board IP address

Use this option for setting the IP address of the board. If the default board IP address is in use by another device, you would need to change the address.

If so, change the board IP address according to these guidelines:

  • The subnet address, typically the first 3 bytes of the board IP address, must be the same as the first 3 bytes of the host IP address.

  • The last byte of the board IP address must be different from the last byte of the host IP address.

  • The board IP address must not conflict with the IP addresses of other computers. For example, if the host IP address is, then you can use, if available.



Subnet mask

Specify the subnet mask for the board. The subnet mask is a mask that designates a logical subdivision of a network.

The value of the subnet mask must be the same for all devices on the network.




Set the serial gateway to the gateway required to access the target computer.

For example, when you set this parameter to, it means that you do not use a gateway to connect to your target computer. If you connect your computers with a crossover cable, leave this property as

If you communicate with the target computer from within your LAN, you do not need to change this setting.

If you communicate from a host located in a LAN different from your target computer (especially via the Internet), you must define a gateway and specify its IP address in this parameter.



See Also