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Leopard Sample Code: Hardware & Drivers
Mac OS X supports standard Ethernet (10 Mbit/s), Fast Ethernet (100 Mbit/s), and Gigabit Ethernet (1000 Mbit/s). Developers can use Ethernet to take advantage of existing Ethernet networks or to enable networking at higher speeds than may be available using wireless networks.
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GetPrimaryMACAddress (HTML) (DMG) (ZIP)
Demonstrates retrieving the MAC address of the built-in Ethernet controller. Useful for uniquely identifying a Macintosh system.
 2005-10-27
BSDLLCTest (HTML) (DMG) (ZIP)
Program sample demonstrates how to send and receive raw LLC Ethernet packets.
 2003-06-12
GetHWEthernetAddr (HTML) (DMG) (ZIP)
Deprecated - Shows how to obtain the hardware Ethernet address of a machine.
2003-01-14
GetMACAddressSample (HTML) (DMG) (ZIP)
Demonstrates how to retrieve the MAC address for each Ethernet interface from the Mac OS X I/O Registry.
 2003-01-14