Cabletron Systems Spectrum EMM-E6 Guía de usuario

Title PageNB30User’s Guide

Introduction1-2 Related ManualsChapter 1, Introduction, provides a list of related documentation, describes certain software conventions, and shows yo

Software Conventions 1-3IntroductionSoftware ConventionsSPECTRUM Element ManagerÕs device user interface contains a number of elements which are commo

Introduction1-4 Software Conventions¥ Double-clicking means to position the mouse pointer over the indicated target, then press and release the mouse

Software Conventions 1-5IntroductionIP AddressDisplays the deviceÕs IP (Internet Protocol) Address; this will be the IP address used to deÞne the devi

Introduction1-6 Getting HelpGetting HelpThis section describes different methods of getting help for questions or concerns you may have while using SP

NB-30 Bridge Firmware 1-7IntroductionGetting Help from the Cabletron Systems Global Call CenterIf you need technical support related to SPECTRUM Eleme

Introduction1-8 NB-30 Bridge Firmware

2-1Chapter 2The NB-30 Bridge Chassis ViewInformation displayed in the Chassis View window; the logical chassis view; the Chassis Manager window; bridg

The NB-30 Bridge Chassis View2-2 Viewing Chassis InformationViewing Chassis InformationThe NB-30 Bridge Chassis View window (Figure 2-2) provides a gr

Viewing Chassis Information 2-3The NB-30 Bridge Chassis ViewFront Panel InformationThe areas surrounding the main port display area provide the follow

The NB-30 Bridge Chassis View2-4 Viewing Chassis InformationDateThe current date, in an mm/dd/yyyy format, set in the NB-30 BridgeÕs internal clock.Me

Viewing Chassis Information 2-5The NB-30 Bridge Chassis ViewThe Device MenuFrom the Device Menu at the Chassis View window menu bar, you can access th

The NB-30 Bridge Chassis View2-6 Viewing Chassis InformationThe NB-30 Bridge Port Status DisplayEach port display on the NB-30 will indicate that port

Managing the Bridge 2-7The NB-30 Bridge Chassis ViewFigure 2-4. Chassis Manager WindowViewing Hardware TypesIn addition to the graphical displays desc

The NB-30 Bridge Chassis View2-8 Managing the BridgeSetting the Device Date and TimeThe Device menu provides access to two methods for changing the da

Managing the Bridge 2-9The NB-30 Bridge Chassis View2. Enter the new date in an mm/dd/yyyy format, either by highlighting the field you wish to change

The NB-30 Bridge Chassis View2-10 Managing the Bridge

3-1Chapter 3NB-30 BridgingBridge management overview; viewing and managing bridging interfaces; using the Bridge Status window; viewing bridge statist

NB-30 Bridging3-2 Bridging BasicsAbout Transparent BridgingTransparent bridges are most common in Ethernet networks. Individual Transparent bridges mo

Bridge Status 3-3NB-30 Bridging¥ The Spanning Tree window shows bridge port information and protocol parameters relating to the Spanning Tree Algorith

i Notice Cabletron Systems reserves the right to make changes in speciÞcations and other information contained in this document without prior notice.

NB-30 Bridging3-4 Bridge StatusFigure 3-1. The NB-30 Bridge Status WindowThe following information is provided by the Bridge Status window for the NB-

Bridge Status 3-5NB-30 BridgingBridge State on InterfaceThis color-coded text box indicates the state of bridging over the port interface. Note that t

NB-30 Bridging3-6 Bridge StatusBridge Status on Remote Port InterfaceThis color-coded text box indicates the operating status of the remote port. Poss

Bridge Status 3-7NB-30 Bridging¥ NO EXT CLOCK (blue) Ñ Indicates that the remote port is not receiving a clock signal from the DCE.Interface NameThis

NB-30 Bridging3-8 Enabling and Disabling BridgingAccessing Bridge Status Window OptionsAt the top of the Bridge Status window, you can click on Bridge

Bridge Statistics 3-9NB-30 BridgingYou can also disable bridging across all ports or on your NB-30 from the Chassis View window. To disable bridging a

NB-30 Bridging3-10 Bridge StatisticsTo access the NB-30 port Bridge Performance Graph window:1. From the Bridge Status window, click on the appropriat

Bridge Statistics 3-11NB-30 BridgingDevice ErrorsThe total number of frames (either inbound or outbound) containing errors which prevented them from b

NB-30 Bridging3-12 Bridge StatisticsOut of Window Coll. (Ethernet Port Only)The number of collisions at this port that were out of the standard collis

Bridge Statistics 3-13NB-30 Bridging2. Click on the desired frames mode:For the Bridge Performance Graph, the options are Frames Forwarded, Frames Rec

ii AppleTalk, Apple, Macintosh, and TokenTalk are registered trademarks; and Apple Remote Access and EtherTalk are trademarks of Apple Computer, Inc.

NB-30 Bridging3-14 Bridge StatisticsThe following color-coded Þelds appear in the Bridge Summary Statistics window. The Þrst four statistics Þelds are

Bridge Statistics 3-15NB-30 BridgingFigure 3-4. Ethernet Port Statistics WindowTo access the remote port Statistics window:1. Click on Remote to revea

NB-30 Bridging3-16 Bridge StatisticsPort Packet StatisticsThe following statistics Þelds appear in the Ethernet and Remote Port Statistics windows und

Bridge Spanning Tree 3-17NB-30 BridgingCRCThe total number of frames received by the port that had Cyclical Redundancy Check (CRC) errors. FramingThe

NB-30 Bridging3-18 Bridge Spanning TreeIn Transparent bridging, Spanning Tree must be used to prevent data loops (since in an Ethernet environment, a

Bridge Spanning Tree 3-19NB-30 BridgingBridge Level ParametersBridge PriorityThis Þeld displays the ÒpriorityÓ component of the NB-30Õs unique bridge

NB-30 Bridging3-20 Bridge Spanning TreeProtocolDisplays the Spanning Tree Algorithm Protocol type the NB-30 is currently using. The choices are:¥ 802.

Bridge Spanning Tree 3-21NB-30 BridgingBridge Port Level ParametersThe following Þelds are applicable to each bridge port on the NB-30.PriorityIf two

NB-30 Bridging3-22 Bridge Spanning TreeTopologyThis indicates how many times the bridgeÕs Topology Change ßag has been changed since the NB-30 was las

Bridge Spanning Tree 3-23NB-30 BridgingChanging Hello TimeIf the bridge is the Root Bridge, or is attempting to become the Root, and you want to chang

iii ANNEX, ANNEX-II, ANNEX-IIe, ANNEX-3, ANNEX-802.5, MICRO-ANNEX-XL, and MICRO-ANNEX-ELS are trademarks of Xylogics, Inc.MAXserver and Xyplex are tr

NB-30 Bridging3-24 Filtering DatabaseChanging Port PriorityTo change the part of the Port Priority used in priority comparisons:1. Highlight the port

Filtering Database 3-25NB-30 BridgingEntries to the Source Address Table are one of four types: Permanent, Static, Dynamic, or Learned.¥ Permanent ent

NB-30 Bridging3-26 Filtering DatabaseFigure 3-7. The Filtering Database WindowThe following Þelds are listed in the top portion of the Filtering Datab

Filtering Database 3-27NB-30 BridgingThe following Þelds are applicable to the scrollable Address Entry panel of Filtering Database entries.ListThe Li

NB-30 Bridging3-28 Filtering DatabaseChanging the Type of EntryYou can change the type of any entry in the Þltering database to be a Static or Permane

DSX-1 Summary 3-29NB-30 BridgingTo delete an address:1. Click to highlight the address entry in the Address Entry panel that you wish to delete from t

NB-30 Bridging3-30 DSX-1 SummaryFigure 3-9. Bridge DSX-1 Summary WindowConfiguring, Running, and Checking the Loopback TestTo conÞgure and run the loop

Restoring Bridge Defaults 3-31NB-30 BridgingTo halt a test in progress and return to the Bridge Status window, click on Cancel.The results of the test

NB-30 Bridging3-32 Resetting Bridge Counters¥ All Spanning Tree Algorithm information screens back to their default values. You must also restart the

Restarting the Bridge 3-33NB-30 Bridging

iv

NB-30 Bridging3-34 Restarting the Bridge

Index-1IndexAAcquired Databaseerasing 3-29Address 3-27Ageing Time 3-26, 3-27BBLK (Blocking) 2-6, 3-5Board Menus 2-5Boot Prom, revision 2-3Bridge Locat

IndexIndex-2Frame Alignments 3-12Frames Filtered 3-10Forwarded 3-10Received 3-10, 3-11FWD (Forwarding) 2-6, 3-5GGetting Help 1-6Giant Packets 3-12Glob

Index-3IndexProtocol 3-20Rrelated documents 1-2REM LOOP/LINK LOST 3-6REM LOOP/LINK OK 3-6REM LOOP/RED ALARM 3-6REM LOOP/YELLOW ALARM 3-6Reset Counters

IndexIndex-4

v Contents Chapter 1 Introduction Using the NB-30 Bridge UserÕs Guide ... 1-1Rela

Contentsvi Ethernet and Remote Port Packet Discarded Statistics ...3-17Bridge Spanning Tree...

1-1Chapter 1IntroductionHow to use this guide; related guides; software conventions; getting help; NB-30 Bridge firmware versionWelcome to the SPECTRU