Cabletron Systems MT8-MIM Dokumentacja Pobierz pdf (Strona 6)

Contents

iv Troubleshooting Guide

CHAPTER 6 FDDI PROBLEMS

6.1 Workstation on Ethernet Network Cannot Communicate with Server on FDDI Ring........................... 6-2

6.2 Workstation and Server on the Same FDDI Ring Cannot Link............................................................ 6-5

6.3 Replaced a Concentrator Module, but the Ring Does Not Recognize It.............................................. 6-6

6.4 Installed a New Dual Attached Device, but the Ring Does Not Recognize It ...................................... 6-6

6.5 Ring Is Running Slower Than Expected .............................................................................................. 6-7

CHAPTER 7 ETHERNET PROBLEMS

7.1 Cannot Access Local Management ..................................................................................................... 7-2

7.2 Connected Two Hubs Together, but Cannot Pass Traffic Between Them .......................................... 7-3

7.3 Observing Excessive Collisions on a Network Repeated Segment..................................................... 7-4

7.4 User Configurable Parameters for a Device Are Lost When That Device Is Powered Down .............. 7-6

7.5 ESX Will Not Pass Traffic Through MMAC-MxFNB, Ethernet Channel A ........................................... 7-7

CHAPTER 8 TERMINAL SERVER PROBLEMS

8.1 No monitor: Prompt.............................................................................................................................. 8-2

8.2 Was Running, Had Power Outage, Now Won’t Boot, Was Booting from UNIX Host. ......................... 8-3

8.3 Was Running, Had Power Outage, Now Won’t Boot, Was Booting from FLASH................................ 8-5

8.4 Booted, but Cannot Ping or Telnet....................................................................................................... 8-6

8.5 Printer Is Not Printing......................................................................................................................... 8-11

8.6 Attempted to Use Optional Software (LAT, DUIP, IPX, Telnet 3270 or ARAP), but

Software Not Working........................................................................................................................ 8-12

8.7 On a Terminal Dial In, I Get Connect Message, but No Prompt, Menu, or Security Request ........... 8-13

8.8 When Dialing In as a Terminal, the “username” or “password:” Prompt Did Not Display .................. 8-17

8.9 Not Able to Establish a PPP Link....................................................................................................... 8-23

CHAPTER 9 TOKEN RING PROBLEMS

9.1 Cannot Use IP Address of the Old Token Ring Management Module (TRMM) to

Poll Its Replacement TRMM ................................................................................................................ 9-2

9.2 Cannot Reinsert Rebooted PCs onto a Properly Operating Ring........................................................ 9-3

9.3 Cannot Communicate with the Server After a Beaconing Condition on the Network .......................... 9-4

9.4 There Is a Constant Stream of Burst Errors on the Network ............................................................... 9-6

9.5 There Is a Constant Stream of Line Errors on the Network................................................................. 9-7

9.6 LCD on Standalone Management Device (TRXI, Micro-T, or STHI) Indicates an

Eagle Insertion Error, Type 7............................................................................................................... 9-8

9.7 Communication Between Two Rings Across a Newly Added TRBMIM Is Not Possible

with Internet Packet Exchange (IPX) Protocol..................................................................................... 9-9

9.8 Token Ring Users Cannot Communicate with Their Ethernet Servers in a

Novell Environment (IPX)................................................................................................................... 9-10

9.9 Non-Cabletron Auto-Sensing Interface Card Cannot Insert onto the Cabletron Systems

Active TRMIM, but Operates Properly with a Passive Board............................................................. 9-11

9.10 TRBMIM Goes into Out-of-Standby Condition................................................................................... 9-12

APPENDIX A ROUTER PASSWORD RECOVERY PROCEDURES

A.1 Procedure for Cisco Model IGS (Prior to Rev. 9.1)............................................................................A-2

A.2 Procedure for Cisco Models IGS (Rev. 9.1 or later), 2000, 2500, 3000, and 4000............................A-3

A.3 Procedure for Cisco Models CGS, MGS, AGS, AGS (CSC3/CSC4), and 7000................................A-4

APPENDIX B GETTING ADDITIONAL HELP

B.1 Before Calling Technical Support.......................................................................................................B-1

1 2 3 4 5 6 7 8 9 10 11 ... 113 114

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