TP-Link TL-SG3109 User Manual page 116

Term
L2TP
LAG
LAN
Layer 2
Layer 3
Layer 4
LCP
Load Balancing
M
MAC Address
MAC Address Learning
MAC Layer
MAN
Mask
MD5
MDI
MDIX
MDU
MIB
MTU
Multicast
N
Network Processor
0 
Definition
Layer 2 Tunnel Protocol. Helps build virtual private networks in the dial access space, and
provides Layer 2 Forwarding L2F) protocol and Point-to-Point Tunneling Protocol (PPTP).
Link Aggregated Group. Aggregates ports or VLANs into a single virtual port or VLAN.
Local Area Network. A network contained within a single room, building, campus or other
limited geographical area.
Data Link Layer or MAC Layer. Contains the physical address of a client or server station.
Layer 2 processing is faster than Layer 3 processing because there is less information to
process.
Network Layer. Contains the logical address and protocol type (IP, IPX, etc.). Layer
3 traffic can also be prioritized and forwarded based on packet information, such as
the source and destination address. Layer 3 processing takes longer than Layer 2
processing, as there is more information to process.
Establishes connections and ensures that all data arrives at the correct destination.
Packets inspected at the Layer 4 level are analyzed and forwarding decisions are based
on their applications.
Link Control Protocol. Manages authentication, compression, and encryption.
Enables the even distribution of data and/or processing packets across available network
resources. For example, load balancing may distribute the incoming packets evenly to all
servers, or redirect the packets to the next available server.
Media Access Control Address. The MAC Address is a hardware specific address that
identifies each network node.
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.
A sub-layer of the Data Link Control (DTL) layer.
Metropolitan Area Network. A communications network covering a metropolitan area or a
suburb.
A filter that includes or excludes certain values, for example parts of an IP address.
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 and
authenticates the origin of the communication.
Media Dependent Interface. A cable used for end stations.
Media Dependent Interface with Crossover (MDIX). A cable used for hubs and switches.
Multiply-Divide Unit. A high-speed circuit that performs multiplication and division within
the CPU.
Management Information Base. MIBs contain information describing specific aspects of
network components.
Maximum Transfer Unit. Specifies the maximum frame size that can be transmitted over
a network. Frames that exceed the MTU must be broken into smaller frames.
Transmits copies of a single packet to multiple ports.
CPU chips that are optimized for networking and communications functions.