Asante 1012 Wartungshandbuch

AsantéBridge 1012 Users’ Guide

Page ii Introduction This manual is divided into the following sections: Introduction The Introduction covers the intended audience, conventions used

Page B-4Appendix B — Technical Specifications

CPinouts and CableSpecifications

Page C-2Appendix C — Pinouts and Cable SpecificationsRJ-45 to RJ-21 Pinouts (Amphenol to Modular Jack)The Amphenol modular 50-pin connector establishes

Page C-3Figure C-2 Single Device Link — Amphenol Connector to 8-Pin Modular Jack2550244923482247214620451944184317421641154014391338123711361035934833

Page C-4Appendix C — Pinouts and Cable SpecificationsRJ-45 Modular Jack to Wall Jack PinoutsThese pin numbers are for an Asanté 10BaseT card or MAU pos

Page C-5AUI (DB-15) PinoutsTable C-1 AUI PinoutsPin Circuit Signal Name03 DO+ Data Out positive10 DO- Data Out negative11 DO S Data Out circuit Shield

Page C-6Appendix C — Pinouts and Cable Specifications

Page iAsantéBridge 1012 IndexAA simple Ethernet network 2-3AC Line Fuse 1-11AC Power Connector 1-11Access Mode field 3-19Ageout Time 3-24AMS Out-of-B

Page iiAsantéBridge 1012 IndexForwarding table editing rules 3-28Forwarding Table Mode Alphabetic Entries 3-29Forwarding Table Mode Numeric Entries 3-

Page iiiAsantéBridge 1012 IndexPPassword 3-10Password Menu 3-10PC/Terminal DIP Switch 1-11Port 2-21Port Link/Receive LEDs 1-7Port Partition LEDs 1-7P

Page iii Intended Audience This manual is intended for Ethernet local area network (LAN) administrators. Although it assumes some familiarity with th

Page ivAsantéBridge 1012 IndexManual P/N 06-00089-00

Page iv Introduction There’s always room for improvement and Asanté Technologies is always interested in your comments and suggestions about our prod

1 Quick Start • Before You Start on page 1-2• Introducing the AsantéBridge on page 1-3• Quick View on page 1-6• Installing the AsantéBridge 1012 on p

Page 1-2 Chapter 1 — Quick Start This chapter is designed to get you up and running with the mini-mum possible effort. Introducing the AsantéBridge

Page 1-3 Introducing the AsantéBridge The AsantéBridge 1012 is an AsantéHub 1012 that has a transpar-ent two port bridge contained in the same chas

Page 1-4 Chapter 1 — Quick StartFigure 1-2 Bridging Between Two SegmentsThe bridge card provides bridging between segment A and seg-ment B while the

Page 1-5Introducing the AsantéBridge❏ Fujitsu SPARClite RISC processor providing line-speed forwarding of data❏ Expandable memory and FLASH EPROM enab

Page 1-6Chapter 1 — Quick StartBefore you install the AsantéBridge 1012, you should become familiar with both the front and rear panels. The following

Page 1-7Quick ViewSNMP LEDFlashes when the SNMP agent module is installed in the AsantéBridge 1012.MSG LEDIf on, status messages are waiting; you must

Information in this document is subject to change without notice and does not represent a commitment on the part of Asanté Technologies, In., No part

Page 1-8Chapter 1 — Quick StartBridge External Port Status LEDThere are three separate LEDs:RCV flashes when a packet is received on the external port.

Page 1-9Quick ViewThe AsantéBridge 1012 rear panel provides the following connec-tors:❏ 50-pin Telco ❏ 3-in-1 Uplink (network)❏ two LED status indicat

Page 1-10Chapter 1 — Quick StartBridge External Port AUIThis AUI port is the external port for the bridge (not the hub), which is used to connect the

Page 1-11Quick ViewSet the switch on all other hubs in the daisychain to the UP position.Only one hub at the end of the daisychain can have this switc

Page 1-12Chapter 1 — Quick StartThe AsantéBridge front panel LEDs provide status information on both overall device utilization and for specific configu

Page 1-13Installing the AsantéBridge 1012This section tells you how to quickly install your new AsantéBridge 1012 between two segments in a network an

Page 1-14Chapter 1 — Quick Start❏ At least one device configured for connection to your Ethernet. We recommend that you use a Macintosh or PC with Asan

Page 1-15Installing the AsantéBridge 1012Positioning the AsantéBridge 1012The AsantéBridge can be positioned on any flat surface (a desktop, table, or

Page 1-16Chapter 1 — Quick StartPlacing the Bridge on a Desktop1Peel the protective strips from the self-adhesive feet and apply the feet in the four

Page 1-17Installing the AsantéBridge 1012Turning on and Pretesting the BridgeIf you are installing more than one unit, you may want to repeat this pro

There’s always room for improvement and Asanté Technologies is always interested in your comments and suggestions about our product documentation. If

Page 1-18Chapter 1 — Quick Start2If the LINK/RECEIVE LED does not come on, use a narrow tool to reset the hub. (The Reset button is on the front panel

Page 1-19Installing the AsantéBridge 10123Connect the MAU to the AsantéBridge external port as shown below.Figure 1-10 Connecting to the External Port

Page 1-20Chapter 1 — Quick StartConnecting Devices to the AsantéBridge 1012Now that you have pretested your AsantéBridge and have con-nected it into y

Page 1-21Installing the AsantéBridge 1012Using the rear panel RJ21 connectorYou can also access the twelve hub ports through a Telco punch-down block

Page 1-22Chapter 1 — Quick Start

2Connecting to the Network• Before You Start on page 2-2• About Bridging on page 2-3• Using the 3in1 Port on page 2-8• Configuring a Redundant Link on

Page 2-2Chapter 2 — Connecting to the NetworkThis chapter provides detailed information about your AsantéBridge and some pointers on different ways yo

Page 2-3About BridgingThe AsantéBridge 1012 has combined the world of a transparent learning bridge with the intelligence of the AsantéHub 1012. This

Page 2-4Chapter 2 — Connecting to the NetworkThe more hubs and users added, the more traffic occurs on the backbone, until we eventually reach a point

Page 2-5About BridgingThe transparent bridge shown here serves to isolate the two seg-ments: Network traffic meant only for devices on segment A is lim

Page 2-6Chapter 2 — Connecting to the NetworkDividing your network into two segments reduces your overall backbone traffic and improve network efficienc

Page 2-7About BridgingFigure 2-3 Redundant bridgingInternal bridge software will automatically designate one bridge as the “active” bridge and the oth

Page 2-8Chapter 2 — Connecting to the NetworkThe 3in1 port is actually a single port with three connectors: an AUI, RJ45, and BNC. Port connection is

Page 2-9Using the 3in1 Port Figure 2-4 Interconnecting Hubs on Thin Ethernet Backbone ❖Note: The terminator may be used either at one end of a T-conne

Page 2-10Chapter 2 — Connecting to the NetworkThe AUI port is typically used to interconnect hubs using a fiber or thick Ethernet backbone, as illustra

Page 2-11Using the 3in1 Port Figure 2-6 Interconnecting to Thick Ethernet Backbone RJ21 10 BASE-T PORTSIN or OUTAU

Page 2-12Chapter 2 — Connecting to the NetworkYou can connect an AsantéBridge to another hub using RJ45 extension cables to connect an RJ45 port on th

Page 2-13Using the 3in1 PortFigure 2-7 Connecting an In-Band DaisychainingRJ21 10 BASE-T PORTSIN or OUTAUIPARTITIO

Page 2-14Chapter 2 — Connecting to the NetworkOne of the most common reasons for a loss of network services is damage to, or failure of, cabling inter

Page 2-15Configuring a Redundant LinkBNC:According to the priority scheme described above, BNC will not be the active uplink if either an AUI or 10T co

Table of Contents Table of Contents Introduction i About This Manual ii Intended Audience iii Conventions Used In This Manual iii Tell Us What Your T

Page 2-16Chapter 2 — Connecting to the NetworkIn Figure 2-8, there are three AsantéHubs and an AsantéBridge in the network. These devices have worksta

Page 2-17Setting Up Out-of-Band LinksUsing AsantéView 2.2 Out-of-Band to manage your new AsantéBridge 1012 requires that you link your AsantéBridge 10

Page 2-18Chapter 2 — Connecting to the NetworkFigure 2-9 shows only the out-of-band links in place. You still need to connect a Macintosh or PC runnin

Page 2-19Setting Up Out-of-Band LinksRecommended MethodThe recommended method for connecting for out-of-band man-agement is with the AMS Link Extender

Page 2-20Chapter 2 — Connecting to the NetworkThere are two DIP switches located to the right of the AMS Link ports on the rear panel of the AsantéBri

Page 2-21Connecting a VT100 TerminalThe bridge can be configured and monitored through a direct serial connection to the bridge RS232 port on the rear

Page 2-22Chapter 2 — Connecting to the NetworkTable 2-2 lists the factory default settings. * Communication with a terminal is fixed at 9600 bps.Table

3AsantéBridge 1012Local Management• Before You Start on page 3-2• Bridge Diagnostics on page 3-3• Local Management Menu System on page 3-4• General He

Page 3-2Chapter 3 — AsantéBridge 1012 Local ManagementThe AsantéBridge 1012 can automatically integrate itself into your network environment without a

Page 3-3Bridge DiagnosticsThe AsantéBridge 1012 is equipped with on-board diagnostics that run when the bridge is powered on (cold start) or when rese

Table of Contents Connecting to the AUI Port 2-10Connecting to the RJ45 IN and Out Ports 2-12 Configuring a Redundant Link 2-14 Checking the Link 2-1

Page 3-4Chapter 3 — AsantéBridge 1012 Local ManagementAll AsantéBridge 1012 functions can be configured using a VT100 terminal (or a Macintosh or PC ru

Page 3-5Local Management Menu System2To disconnect from the AsantéBridge 1012, use the appro-priate VT100 command. This command may vary depend-ing up

Page 3-6Chapter 3 — AsantéBridge 1012 Local ManagementThe AsantéBridge 1012 VT100 local management port uses a vari-ety of control characters (special

Page 3-7Configuration Menu SystemThe main configuration menu, accessed only after entering a pass-word, provides submenus and commands for:Figure 3-4 Ma

Page 3-8Chapter 3 — AsantéBridge 1012 Local Management4The Reset System item is a command. Selecting this item and pressing return opens a confirmation

Page 3-9Configuration Menu SystemThe System Information menu stores text information in the bridge memory.Figure 3-5 System Information Window❏The Brid

Page 3-10Chapter 3 — AsantéBridge 1012 Local ManagementAccess to all bridge configuration functions is password pro-tected. The password is stored in b

Page 3-11Configuration Menu SystemThe bridge SNMP agent menu has the following four submenus:Figure 3-7 SNMP Agent Parameters Menu❏TCP/IP Parameters, d

Page 3-12Chapter 3 — AsantéBridge 1012 Local ManagementTCP/IP Parameters MenuThe IP address, subnet mask and default router IP address for the bridge

Page 3-13Configuration Menu System5Go to the Configuration Menu and reset the bridge to put the changes into effect.Software Update MenuFigure 3-9 Softw

List of Figures List of Figures Figure 1-1 The AsantéBridge 1012 page 1-3Figure 1-2 Bridging between two segments page 1-4Figure 1-3 AsantéBridge 101

Page 3-14Chapter 3 — AsantéBridge 1012 Local ManagementAbout the Software Update function❖ Important: The software update function is complex and shou

Page 3-15Configuration Menu SystemInstead, the bridge resets and then makes another attempt to download new software, using the same set of parameters

Page 3-16Chapter 3 — AsantéBridge 1012 Local Management6Enter control-z to return to the SNMP Agent Parameter Menu without taking any action.If the so

Page 3-17Configuration Menu SystemIf the update is not successful, entering a control-c stops the pro-cess and reopens the Update Status window, this t

Page 3-18Chapter 3 — AsantéBridge 1012 Local ManagementSNMP Trap Receiver TableFigure 3-11 SNMP Trap Receiver TableYou can define up to four trap recei

Page 3-19Configuration Menu System3Press return to set the new value.4Repeat steps 1-3 for any other fields you want to modify.5Highlight the COMMUNITY

Page 3-20Chapter 3 — AsantéBridge 1012 Local ManagementThis table allows you to control access to SNMP MIB objects.All data fields initially display th

Page 3-21Configuration Menu SystemDefines data communication and user password parameters for accessing the bridge using AsantéView Out-of-Band network

Page 3-22Chapter 3 — AsantéBridge 1012 Local ManagementEnter the new password and press return. You can enter as many as fifteen characters.5Enter cont

Page 3-23Configuration Menu SystemThis menu provides submenus used to configure AsantéBridge 1012 features only. There are submenus for:❏ Setting bridge

List of Figures Figure 3-18 Editing the Forwarding Table page 3-31Figure 3-19 Searching for an Address page 3-32Figure 3-20 Bridge Filtering Table pa

Page 3-24Chapter 3 — AsantéBridge 1012 Local ManagementSpanning Tree Bridge Parameters MenuFigure 3-15 Spanning Tree Bridge Parameters MenuOnly the fie

Page 3-25Configuration Menu SystemThese parameters can change rapidly depending on spanning tree activity. To update the window, enter control-r.1Use t

Page 3-26Chapter 3 — AsantéBridge 1012 Local ManagementSpanning Tree Port Setting MenuFigure 3-16 Spanning Tree Port Setting MenuThe Spanning Tree Por

Page 3-27Configuration Menu System4Enter control-u to erase the field, enter the new value, and press return.5Enter control-z to return to the Bridge Pa

Page 3-28Chapter 3 — AsantéBridge 1012 Local Management❏ Edit brings up the table editor, where you can add, delete, and modify Ethernet addresses❏ Se

Page 3-29Configuration Menu SystemThe alphabetic portion of the field defines the type of entry.The numeric portion defines the input port and output port

Page 3-30Chapter 3 — AsantéBridge 1012 Local ManagementWhen a device on either segment transmits, its packets are read by the bridge. The bridge reads

Page 3-31Configuration Menu SystemUsing the Edit FunctionFigure 3-18 Editing the Forwarding TableTo use the Search Function, do the following:1Use the

Page 3-32Chapter 3 — AsantéBridge 1012 Local ManagementUsing the Search FunctionFigure 3-19 Searching for an AddressTo use the Search Function, do the

Page 3-33Configuration Menu SystemBridge Filtering TableAbout the Filtering TableThe filtering table should be viewed as pipelined sets of parame-ters t

Introduction

Page 3-34Chapter 3 — AsantéBridge 1012 Local ManagementEach range within the set acts as a filter in a pipeline. A packet has to get past all three filt

Page 3-35Configuration Menu System❏ Status enables or disables the filtering function for this range of addresses. To use the Bridge Filtering Table, do

Page 3-36Chapter 3 — AsantéBridge 1012 Local ManagementYou can reset the AsantéBridge 1012 in three different ways:❏ Cycle the power. This resets both

Page 3-37Configuration Menu System❏ Erases static forwarding addresses configured for delete on reset❏ Does not affect the password for the Configuration

Page 3-38Chapter 3 — AsantéBridge 1012 Local ManagementThe AsantéBridge 1012 provides several counters that monitor traffic on both bridge ports.A pass

ASupport forPre 10BaseT Devices

Page A-2Appendix A — Support for Pre 10BaseT DevicesThis appendix provides guidelines for integrating non-10BaseT compatible devices for your Asanté 1

BTechnical Specifications

Page B-2Appendix B — Technical SpecificationsThis appendix describes the technical features of the AsantéBridge 1012.Standards Supported:IEEE 802.3 Eth

Page B-31 to show Uplink Link/Receive Status (rear panel)3 to show received packets, forwarded packets, collisions on external bridge port3 to show re