Getting the Physical (MAC) address of a Network Interface Card and finding out if it is the primary adapter on a multi-homed system

Rafique Sheikh

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14 Mar 2006CPOL4 min read

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This article describes how to obtain a Network Interface Card's (NIC) Physical or Ethernet (MAC) address. It also shows how to identify if a network adapter is the primary adapter on a multi-homed system. If not, it shows how to find and get the primary adapter's IP and MAC addresses.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Rafique Sheikh

Software Developer

United States

Although an electrical engineer by major, I slowly transformed into a software developer as I realized I liked working with logical AND and ORs more than the physical ones on chips. I have taught C++ at ITT tech and worked on videoconferencing as a programmer. A summer class at Harvard got me into windows programming and I have enjoyed it ever since.

I like hiking, camping, walking and swimming. Tennis gets me going too as does discussing human psychology.

Getting the Physical (MAC) address of a Network Interface Card and finding out if it is the primary adapter on a multi-homed system

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