Dell PowerConnect 5324 User Manual page 361

M
MAC Address
Media Access Control Address. The MAC Address is a hardware specific address that identifies each network
node.
MAC Address Learning
MAC Address Learning characterizes a learning bridge, in which the packet's source MAC address is recorded.
Packets destined for that address are forwarded only to the bridge interface on which that address is located.
Packets addressed to unknown addresses are forwarded to every bridge interface. MAC Address Learning
minimizes traffic on the attached LANs.
MAC Layer
A sub-layer of the Data Link Control (DTL) layer.
Mask
A filter that includes or excludes certain values, for example parts of an IP address.
For example, Unit 2 is inserted in the first minute of a ten-minute cycle, and Unit 1 is inserted in fifth minute of
the same cycle, the units are considered the same age.
MD5
Message Digest 5. An algorithm that produces a 128-bit hash. MD5 is a variation of MD4, and increases MD4
security. MD5 verifies the integrity of the communication, authenticates the origin of the communication.
MDI
Media Dependent Interface. A cable used for end stations.
MDIX
Media Dependent Interface with Crossover (MDIX). A cable used for hubs and switches.
MIB
Management Information Base. MIBs contain information describing specific aspects of network components.
Multicast
Transmits copies of a single packet to multiple ports.
N
NMS
Network Management System. An interface that provides a method of managing a system.
Node
A network connection endpoint or a common junction for multiple network lines. Nodes include:
• Processors
• Controllers
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