Glossary-5 – SMC Networks SMC TigerAccess SMC7824M/FSW User Manual

Page 735

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LOSSARY

Glossary-5

IP Precedence

The Type of Service (ToS) octet in the IPv4 header includes three
precedence bits defining eight different priority levels ranging from highest
priority for network control packets to lowest priority for routine traffic.
The eight values are mapped one-to-one to the Class of Service categories
by default, but may be configured differently to suit the requirements for
specific network applications.

Layer 2

Data Link layer in the ISO 7-Layer Data Communications Protocol. This
is related directly to the hardware interface for network devices and passes
on traffic based on MAC addresses.

Link Aggregation

See Port Trunk.

Link Aggregation Control Protocol (LACP)

Allows ports to automatically negotiate a trunked link with
LACP-configured ports on another device.

Management Information Base (MIB)

An acronym for Management Information Base. It is a set of database
objects that contains information about a specific device.

MD5 Message-Digest Algorithm

An algorithm that is used to create digital signatures. It is intended for use
with 32 bit machines and is safer than the MD4 algorithm, which has been
broken. MD5 is a one-way hash function, meaning that it takes a message
and converts it into a fixed string of digits, also called a message digest.

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