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Avaya P460 User Manual

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Glossary

Avaya P460 Reference Guide

205

other digital media.

MIB

Management Information Base. A database of network management information
that can be monitored by a Network Management System. Both SNMP and RMON
use standardized MIB formats that enable any SNMP and RMON tool to monitor
any device defined by a MIB.

Module

A self-contained communications unit that may be used in combination with other
units. Examples include individual Avaya P330 units and cards that slot into the
Avaya P580/P882 Device.

Multicasting

A method of information transmission in which copies of the packet are delivered to
multiple ports, but only a subset of all possible destinations.

NAS

Network Access Server. A network device that allows access to a network (e.g., the
Avaya P460).

Netmask

A portion of an IP address that identifies the bits that denote the network number.

Network

A collection of computers, printers, routers, switches, and other devices that can
communicate with each other over some transmission medium. A network can
consist all or in part of subnetworks.

Network Agent

A special control module that interfaces between the network manager and the
managed devices, using the MIB as a management terms dictionary. Network
Agents relay device events and execute instructions via embedded software.

Network Mask

A portion of an IP address that identifies the bits that denote the network number.

NMS

Network Management Station. A station that is responsible for managing all or part
of a network. An NMS communicates with Network Agents to help keep track of
network statistics and resources.

NNI

Network Node Interface. Also known as Network-to-Network Interface. A standard