Cabletron Systems NB20E User Manual

Cabletron Systems NB20E User Manual Manual pdf 7 page image

1-1CHAPTER 1INTRODUCTIONWelcome to the Cabletron Systems NB20E™ and NB25E™ Two PortEthernet Bridges User's Manual. We have designed this user’s manual toserve as a simple installation and reference guide for the NB20E andNB25E, and to explain the capabilities and special features of eachindividual bridge. With the appropriate design, the Cabletron SystemsNB25E or NB20E can dramatically improve network performance andbandwidth efficiency on heavily utilized network segments.You should read through this manual to gain a full understanding of theNB20E and NB25E Bridges and their capabilities.1.1 USING THIS MANUALChapter 1, Introduction, discusses the capabilities of Cabletron Systems'NB20E or NB25E Two Port Ethernet Bridge. An explanation of thebridge filtering process and a discussion of bridge functionality inmulti-bridge environments are also included. The chapter concludes witha list of related manuals.Chapter 2, Installation Requirements/Specifications, contains a list ofhardware, software, location and environmental requirements that must bemet before you install either bridge.Chapter 3, Installing the NB20E or NB25E Bridge, containsinstructions for installing the NB20E or the NB25E Two Port EthernetBridge.Chapter 4, Testing and Troubleshooting, provides procedures for testingand troubleshooting the installation of the NB20E or the NB25E Bridge.Instructions for using LANVIEW™, Cabletron Systems’ built-in visualdiagnostic and status monitoring system, are also included.We assume that you have a general working knowledge of Ethernet orIEEE 802.3 type data communications networks and their physical layercomponents.