Cabletron Systems MT8-MIM Dokumentacja Strona 1

QUICK REFERENCE GUIDEFOR NETWORK TROUBLESHOOTING

Chapter 1: Introduction1-4 Troubleshooting Guide

Chapter 9: Token Ring Problems9-4 Troubleshooting Guide9.3 Cannot Communicate with the Server After a Beaconing Condition on the NetworkThere was a b

Troubleshooting Guide 9-5ACan all users communicate with the server?YNCall Cabletron Technical Support.Congratulations, the problem is solved.Ensure t

Chapter 9: Token Ring Problems9-6 Troubleshooting Guide9.4 There Is a Constant Stream of Burst Errors on the NetworkBurst errors are a normal occurre

Troubleshooting Guide 9-79.5 There Is a Constant Stream of Line Errors on the NetworkThis error may be caused by a defective cable or DNI card. Check

Chapter 9: Token Ring Problems9-8 Troubleshooting Guide9.6 LCD on Standalone Management Device (TRXI, Micro-T, or STHI) Indicates an Eagle Insertion

Troubleshooting Guide 9-99.7 Communication Between Two Rings Across a Newly Added TRBMIM Is Not Possible with Internet Packet Exchange (IPX) ProtocolT

Chapter 9: Token Ring Problems9-10 Troubleshooting Guide9.8 Token Ring Users Cannot Communicate with Their Ethernet Servers in a Novell Environment (

Troubleshooting Guide 9-119.9 Non-Cabletron Auto-Sensing Interface Card Cannot Insert onto the Cabletron Systems Active TRMIM, but Operates Properly w

Chapter 9: Token Ring Problems9-12 Troubleshooting Guide9.10 TRBMIM Goes into Out-of-Standby ConditionThe trouble could be the configuration of other

Troubleshooting Guide A-1APPENDIX AROUTER PASSWORD RECOVERY PROCEDURESThe password recovery procedure that is used is dependent on the model of the Ci

Troubleshooting Guide 2-1CHAPTER 2TROUBLESHOOTING GUIDELINESThis chapter provides guidelines on what to do when someone suspects that there is a probl

Appendix A: Router Password Recovery ProceduresA-2 Troubleshooting GuideA.1 Procedure for Cisco Model IGS (Prior to Rev. 9.1)To recover the password,

Troubleshooting Guide A-3A.2 Procedure for Cisco Models IGS (Rev. 9.1 or later), 2000, 2500, 3000, and 4000 To recover the password, proceed as follow

Appendix A: Router Password Recovery ProceduresA-4 Troubleshooting GuideA.3 Procedure for Cisco Models CGS, MGS, AGS, AGS (CSC3/CSC4), and 7000To reco

Troubleshooting Guide B-1APPENDIX BGETTING ADDITIONAL HELPIn the event that the cause cannot be found and additional support is needed to troubleshoot

Appendix B: Getting Additional HelpB-2 Troubleshooting Guide

Chapter 2: Troubleshooting Guidelines2-2 Troubleshooting GuideFigure 2-1. Troubleshooting Flowchart (Sheet 1 of 2)CATEGORY OF PROBLEMS (CHAPTERS 3 TH

Troubleshooting Guide 2-3Figure 2-2. Troubleshooting Flowchart (Sheet 2 of 2)NOTROUBLESHOOT USINGCUT BY HALF(DIVIDE/CONQUER"METHOD TO FINDTHE SUS

Chapter 2: Troubleshooting Guidelines2-4 Troubleshooting Guide2.1 Problem Identification and NotificationHow did someone notice that there is a probl

Troubleshooting Guide 2-54. Check to see if the network has been changed recently in any way by adding, removing, upgrading or reconfiguring any of it

Chapter 2: Troubleshooting Guidelines2-6 Troubleshooting Guide5. If the problem has not been remedied, proceed as follows: a. Repeat steps in Section

Troubleshooting Guide 2-72. What tools do you have for troubleshooting? Have you used the tools in this situation, and what were the results? For exam

Chapter 2: Troubleshooting Guidelines2-8 Troubleshooting Guide4. Now that you have troubleshot down to the piece of equipment or problem area, refer

Troubleshooting Guide 3-1CHAPTER 3BOOTING/IMAGE CODE LOADING PROBLEMSThis chapter provides guidelines with some procedures for booting or loading an i

Chapter 3: Booting/Image Code Loading Problems3-2 Troubleshooting Guide3.1 TFTP and BootP Download Guidelines for Personal Computers (PC) Section 3.1

Troubleshooting Guide 3-3Figure 3-1. Netmanage NEWT Table and ARP Table Screens3. Find the IP address to Hardware (MAC) address correlation of the dev

Chapter 3: Booting/Image Code Loading Problems3-4 Troubleshooting GuideFigure 3-2. CUSTOM and Frequent Destination Screens3.1.1.2 TFTP for MSTCPIPIn

Troubleshooting Guide 3-5Figure 3-3. DOS Command and ARP Table

Chapter 3: Booting/Image Code Loading Problems3-6 Troubleshooting Guide3.1.2 TFTP Downloading Using a PC with SPELTo TFTP download using SPEL, procee

Troubleshooting Guide 3-73.1.3 TFTP Downloading Using a PC with Remote LANVIEW, Version 2.10To TFTP download using Remote LANVIEW 2.10, proceed as fol

Chapter 3: Booting/Image Code Loading Problems3-8 Troubleshooting Guide3.1.4 TFTP Downloading Using a PC with Remote LANVIEW, Version 2.0x Remote LAN

Troubleshooting Guide 3-9Therefore, if you are using a multiple interface device like the EMME or EMM-E6, make sure you use the correct MAC address. A

Chapter 3: Booting/Image Code Loading Problems3-10 Troubleshooting Guide3. Click on the BootP Server tab. The BootP Server screen (Figure 3-8) is dis

Troubleshooting Guide 3-113.2.2 BootP Downloading Using a PC with Remote LANVIEW 2.10To use Remote LANVIEW 2.10 for BootP, proceed as follows:1. Make

Troubleshooting Guide i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document

Chapter 3: Booting/Image Code Loading Problems3-12 Troubleshooting GuideUnlike SPECTRUM Element Manager, there is no easy way to tell if BootP has be

Troubleshooting Guide 3-133.3 TFTP Downloading Guidelines for UNIX StationsSection 3.3.1 through Section 3.3.4 provide general guidelines to set up a

Chapter 3: Booting/Image Code Loading Problems3-14 Troubleshooting GuideDo this: 30101.hexTIP: To avoid TFTP download failures, always use the /tftpb

Troubleshooting Guide 3-153. Now you are ready to start the TFTP download process. Use your network management application to enter the appropriate in

Chapter 3: Booting/Image Code Loading Problems3-16 Troubleshooting GuideDownload Requirements:The file transfer from a UNIX station to the device is d

Troubleshooting Guide 3-17Failed RARP Requests (Got a MAC, need the IP): The device (for example, an EMME) sends out a RARP request with its MAC addre

Chapter 3: Booting/Image Code Loading Problems3-18 Troubleshooting Guide

Troubleshooting Guide 4-1CHAPTER 4DESKTOP NETWORK INTERFACE (DNI) PROBLEMSThis chapter provides a troubleshooting guide that identifies some of the mor

Chapter 4: Desktop Network Interface (DNI) Problems4-2 Troubleshooting Guide4.1 After Installing an E22xx Ethernet Card in a Novell Server, Users Can

Troubleshooting Guide 4-34.4 T2015 Token Ring Card Passes Diagnostics, but When Trying to Load the Driver, the Card Will Not Insert Onto the RingCheck

Notice ii Troubleshooting Guide

Chapter 4: Desktop Network Interface (DNI) Problems4-4 Troubleshooting Guide4.6 Client Driver Loads, but Cannot Find Any Novell ServersCheck the Link

Troubleshooting Guide 4-54.7 After Connecting an Unshielded Twisted Pair (UTP) Cable, There Is No Link on the F7019 CardThe cable may have the wrong p

Chapter 4: Desktop Network Interface (DNI) Problems4-6 Troubleshooting Guide4.9 When Loading the Driver for E22xx, There Is an Error Message “invalid

Troubleshooting Guide 5-1CHAPTER 5ROUTING PROBLEMSThis chapter provides a troubleshooting guide that identifies some of the more common routing problem

Chapter 5: Routing Problems5-2 Troubleshooting Guide5.1 Cannot Set a Router to the Enable ModeEnsure that the password was entered correctly. The ent

Troubleshooting Guide 5-35.2 The Router Does Not Boot NormallyWith a terminal or PC connected to the router COM or CONSOLE port, access the Local Mana

Chapter 5: Routing Problems5-4 Troubleshooting GuideABCDType in: reloadPress Return.Type in: yDoes the router boot normally?YNCall Cabletron Technica

Troubleshooting Guide 5-5ABYNCall Cabletron Technical Support.Wait until the router stops trying to load its configuration off the network. Press Retu

Chapter 5: Routing Problems5-6 Troubleshooting Guide5.3 Device Cannot Establish IP Communication with Another Device Across a Router, but Can Establi

Troubleshooting Guide 5-7ABWas the router able to ping the unreachable device?YNType in: clear arpPress Return. Type in: ping IP_ addresswhere IP_addr

Troubleshooting Guide iii CONTENTS CHAPTER 1 INTRODUCTION 1.1 How to Use This Guide...

Chapter 5: Routing Problems5-8 Troubleshooting Guide5.4 Cannot Communicate with Another IP Network, Network Not Listed or Listed as Unreachable in Ro

Troubleshooting Guide 5-9AAre the routers running the same routing protocol?YNConfigure both routers so they are running the same routing protocol suc

Chapter 5: Routing Problems5-10 Troubleshooting Guide5.5 Configured an EMM-E6 or NBR Series Bridge for Routing, but It Doesn’t WorkThe EMM-E6 or NBR

Troubleshooting Guide 5-11ABClear the NVRAM and reconfigure the EMM-E6 or NBR router. Refer to the following note.NOTE: When clearing NVRAM, all user

Chapter 5: Routing Problems5-12 Troubleshooting Guide

Troubleshooting Guide 6-1CHAPTER 6FDDI PROBLEMSThis chapter provides a troubleshooting guide that identifies some of the more common problems in the FD

Chapter 6: FDDI Problems6-2 Troubleshooting Guide6.1 Workstation on Ethernet Network Cannot Communicate with Server on FDDI RingA workstation (or PC)

Troubleshooting Guide 6-3ABCCan the users connect with the server?YNCall Cabletron Technical Support.Congratulations, the problem is solved.Call Cable

Chapter 6: FDDI Problems6-4 Troubleshooting GuideABCCan the workstation communicate with the server?YNThe DNI card in the workstation may not be conf

Troubleshooting Guide 6-56.2 Workstation and Server on the Same FDDI Ring Cannot LinkBoth the workstation and server are connected to a ring concentra

Contents iv Troubleshooting Guide CHAPTER 6 FDDI PROBLEMS 6.1 Workstation on Ethernet Network Cannot Communicate with Server on FDDI Ring...

Chapter 6: FDDI Problems6-6 Troubleshooting Guide6.3 Replaced a Concentrator Module, but the Ring Does Not Recognize ItA concentrator module such as

Troubleshooting Guide 6-7Are the LED indications different?YNEnsure that all cables have been installed according to the X3T9.5 ANSI standards. Correc

Chapter 6: FDDI Problems6-8 Troubleshooting Guide

Troubleshooting Guide 7-1CHAPTER 7ETHERNET PROBLEMSThis chapter provides a troubleshooting guide that identifies some of the more common problems in an

Chapter 7: Ethernet Problems7-2 Troubleshooting Guide7.1 Cannot Access Local Management Cannot access Local Management (LM) through the terminal or P

Troubleshooting Guide 7-37.2 Connected Two Hubs Together, but Cannot Pass Traffic Between ThemTwo hubs (standalone or modular) are connected together,

Chapter 7: Ethernet Problems7-4 Troubleshooting Guide7.3 Observing Excessive Collisions on a Network Repeated SegmentCollision (CLN) LED or network m

Troubleshooting Guide 7-5ABCThe problem may be with the cabling or the attached user device. Check the cable and device to make sure the cabling used

Chapter 7: Ethernet Problems7-6 Troubleshooting Guide7.4 User Configurable Parameters for a Device Are Lost When That Device Is Powered DownDoes the

Troubleshooting Guide 7-77.5 ESX Will Not Pass Traffic Through MMAC-MxFNB, Ethernet Channel AThe ESX (ESXMIM or ESXMIM-F2) will not pass traffic throu

Troubleshooting Guide 1-1 CHAPTER 1INTRODUCTION This guide is intended for use by network managers and technicians as an aid in identifying possible

Chapter 7: Ethernet Problems7-8 Troubleshooting Guide

Troubleshooting Guide 8-1CHAPTER 8TERMINAL SERVER PROBLEMSThis chapter provides a troubleshooting guide that identifies some of the more common problem

Chapter 8: Terminal Server Problems8-2 Troubleshooting Guide8.1 No monitor: PromptNo monitor: prompt displayed at the CSMIM2. Is your terminal connec

Troubleshooting Guide 8-38.2 Was Running, Had Power Outage, Now Won’t Boot, Was Booting from UNIX Host.A CSMIM2 was running before a power outage occu

Chapter 8: Terminal Server Problems8-4 Troubleshooting GuideAAre all the addresses correct?YNCorrect the addresses as necessary. Enter the image -d c

Troubleshooting Guide 8-58.3 Was Running, Had Power Outage, Now Won’t Boot, Was Booting from FLASHA CSMIM2 was running before a power outage occurred,

Chapter 8: Terminal Server Problems8-6 Troubleshooting Guide8.4 Booted, but Cannot Ping or TelnetThe CSMIM2 booted, but you cannot ping or Telnet to

Troubleshooting Guide 8-7AAre these IP addresses on the same subnet as the CSMIM2?YNEnter the netstat -r command. A list is displayed.Can you see the

Chapter 8: Terminal Server Problems8-8 Troubleshooting GuideABCDAre your routers doing Routing Information Protocol (RIP) broadcasts?YNMake the follo

Troubleshooting Guide 8-9ABCDEYNMake the following changes to the config.annex file:%gatewaynet default gateway <ip addr> metric 1 hardwiredwher

Chapter 1: Introduction 1-2 Troubleshooting Guide 1. Refer to Section 2.1 , Problem Identification and Notification , for guidelines to gather re

Chapter 8: Terminal Server Problems8-10 Troubleshooting GuideABCDYNCall Cabletron Technical Support.Congratulations, the problem is solved.Call Cable

Troubleshooting Guide 8-118.5 Printer Is Not PrintingIs the printer known to be a working printer?YNStart a printer self-test (refer to the printer do

Chapter 8: Terminal Server Problems8-12 Troubleshooting Guide8.6 Attempted to Use Optional Software (LAT, DUIP, IPX, Telnet 3270 or ARAP), but Softwa

Troubleshooting Guide 8-138.7 On a Terminal Dial In, I Get Connect Message, but No Prompt, Menu, or Security RequestCheck the cable connection from th

Chapter 8: Terminal Server Problems8-14 Troubleshooting GuideABCThe following is an example of a port setup for V.32 and V.42 type modems with a CSMI

Troubleshooting Guide 8-15ABDid either “0” or “OK” display?YNCall Cabletron Technical Support.Program the modem. Depending on the modem used, the comm

Chapter 8: Terminal Server Problems8-16 Troubleshooting GuideTo program the modem, set the CSMIM2 port to “slave”. The following example shows the co

Troubleshooting Guide 8-178.8 When Dialing In as a Terminal, the “username” or “password:” Prompt Did Not DisplayThis is considered to be a security p

Chapter 8: Terminal Server Problems8-18 Troubleshooting GuideABDid two or more lines display?YNEnter the following command:cd /usr/annex (or the appr

Troubleshooting Guide 8-19ABCDEUncomment the last line using VI or some other text editor. Stop the erpcd process (DAEMON) by displaying the PID of th

Troubleshooting Guide 1-31.3 Document ConventionsThe following conventions are used throughout this document:• NOTE - Calls the reader’s attention to

Chapter 8: Terminal Server Problems8-20 Troubleshooting GuideABCDAt the UNIX host, enter the “more eservices” command. A display similar to the follo

Troubleshooting Guide 8-21AIs there an IP set for the security host?YNEnter the following commands:set annex pref_secure1_host <IP address>reset

Chapter 8: Terminal Server Problems8-22 Troubleshooting GuideAIs cli_security set to y?YNEnter the following commands:set port cli_security yreset &l

Troubleshooting Guide 8-238.9 Not Able to Establish a PPP LinkTry to dial in as a terminal.Is the last message displayed a connect message from your m

Chapter 8: Terminal Server Problems8-24 Troubleshooting GuideABCA typical port setup in admin for a PPP link without PAP security on port 8 of the CS

Troubleshooting Guide 8-25ABCSet up the CSMIM2 security. Refer to the CSMIM2 Network Administrator Guide, Book A for details.Go to Section 8.8 and pro

Chapter 8: Terminal Server Problems8-26 Troubleshooting Guideadmin: set port ppp_security_protocol pap You may need to reset the appropriate

Troubleshooting Guide 9-1CHAPTER 9TOKEN RING PROBLEMSThis chapter provides a troubleshooting guide that identifies some of the more common problems rel

Chapter 9: Token Ring Problems9-2 Troubleshooting Guide9.1 Cannot Use IP Address of the Old Token Ring Management Module (TRMM) to Poll Its Replaceme

Troubleshooting Guide 9-39.2 Cannot Reinsert Rebooted PCs onto a Properly Operating RingThe network is functioning properly except that any PC reboote