Media Access Control address: the layer 2 identifier of a NIC, physical or virtual.
Also called media access control address.
In the Ultra Transcenders books
Each book explains MAC address in context, with comparison tables and the common traps.
Terms in this definition
- L2
Layer 2 of the OSI model, the data link layer of frames, VLANs and MACs. An NSX segment is one broadcast domain at this layer.
- NIC
Network interface card, the network interface of a VM; NSGs can be associated with it.
- Physical
Describes the concrete, real-world parts that put a logical architecture into effect.
Related terms
- ARP
Finds which MAC address belongs to an IPv4 address on the local segment.
- DHCP policies
Rules on a DHCP server that hand particular address ranges or options to clients meeting set criteria, for instance a vendor class or a MAC address.