Cabletron Systems Spectrum EMM-E6 Guía de usuario descargar pdf (Pagina 9)

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Chapter 1

Introduction

How to use this guide; related guides; software conventions; getting help; NB-30 Bridge ﬁrmware

version

Welcome to the SPECTRUM Element Manager for the NB-30 UserÕs Guide. We

have designed this guide to serve as a simple reference for using SPECTRUM

Element Manager for the NB-30 Bridge.

The NB-30 series bridge is a protocol-independent remote bridge that

transparently connects two remote Ethernet LAN segments via a DDS, full T1/E1,

or fractional T1 link. The bridge is fully compliant with the IEEE 802.1d Spanning

Tree Algorithm speciÞcation used when bridges are placed in parallel, and it uses

a source address table and Þltering database to Þlter or forward network trafÞc.

It is also equipped with two media-conÞgurable Single Port Interface Module

(SPIM) slots. One SPIM is required to connect the bridge to the network; the other

optional SPIM slot can be used to create a redundant link to a local network

segment. Performance capabilities include a source address table capable of

storing 8,191 addresses, a packet Þltering rate of up to 10,000 frames per second,

and a forwarding rate of up to 2,900 frames per second (or 3,800 frames if set up

for full duplex operation).

Using the NB-30 Bridge User’s Guide

Each chapter in this guide describes one major functionality or a collection of

several smaller functionalities of the NB-30 Bridge. This guide contains

information about software functions which are accessed directly from the device

icon; for information about management functions which are accessed via the

SPECTRUM Element Manager platform, consult the SPECTRUM Element

Manager UserÕs Guide or Tools Guide.

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Cabletron Systems Spectrum EMM-E6 Guía de usuario Pagina 9