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ATM OC-3c
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User’s Guide
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ATM OC-3c
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Troubleshooting
Specs
Install
Error messages
Is Signalling Compatible?
Undefined Error
Connecting to BUS
Warranty
ATM Configuration Rules
Problem Solution
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8271 Nways Ethernet LAN Switch ATM
OC-3c
Module
User’s Guide
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Contents
User’s Guide
Research Triangle Park NC
First Edition October
Contents
Accessing Management Features Screen Map
Glossary Bibliography
Page
Introduction
About this Guide
Terminology
ATM Terminology
Conventions
Finding Information in This Guide
Task Location
Icon Alerts you to
Bold
Related Documentation
About this Guide
ATM Benefits
Features and Benefits
Wire Rate Transmission on ATM port
ATM Module Features
Layered Network Architecture
Network Layer Concepts
Upper Layer Protocols
What is LAN Emulation LANE?
LAN Emulation Components
LAN Emulation Configuration Server Lecs
LAN Emulation Client LEC
LAN Emulation Server LES
LAN Emulation and IBM Devices
LAN Emulation Components in Your Network
LEC must know the name of the Elan it is to join
Joining the Elan
Locating the Lecs
Mapping Ethernet and ATM Addresses
Address Resolution
If the destination MAC address is listed in the ARP Table
What Happens to Unicast Frames?
LAN Emulation Address Resolution Protocol Learp
What Happens to Broadcast and Multicast Frames?
ATM Adaptation Layer AAL
Asynchronous Transfer Mode ATM Layer
ATM is Cell-based
ATM is Connection-oriented
ATM is Service Transparent
Virtual Path Identifier VPI Virtual Channel Identifier VCI
7Switching Cells using VPI and VCI values
ATM Interfaces
Switched Virtual Circuits SVCs
Permanent Virtual Circuits PVCs
ATM Address Registration
Interim Local Management Interface Ilmi
Networkhostidentifier
10ATM Cell Structure
ATM Layer and Cell Structure
Sonet STS-3c
Physical Layer
16CHAPTER 2 Network Layer Concepts
Creating Inter-switch VLANs
What is a Virtual LAN VLAN?
Virtual LAN Concepts
2VLAN to Elan Mapping
Extending VLANs into the ATM Network
Extending VLANs into the ATM Network
4CHAPTER 3 Virtual LAN Concepts
Planning Your Network
Putting Your ATM Network Together
Does your existing ATM network have sufficient resources?
Can your ATM devices communicate with each other?
Extending VLANs Through the ATM Network
ATM Configuration Rules
ATM Connections Within Your Network
Are the LAN Emulation services configured correctly?
1SVC Signalling Not Supported in Remote Edge-device
ATM Backbone in the Building
Network Configuration Examples
Campus Configuration
Campus Configuration
Making a Building Resilient to Network Failure
3Resilient Link Configuration
Following Safety Information
Installing and Setting UP the Module
Ebezpečí
Îïàñíî
Check the Power Supply
Pre-installation Procedure
Device Support
1Fitting the ATM Module
Installation
Connecting a cable to the ATM Port
Post-Installation Checks
Powering Up the Switch
Power On Self Test Post
LED Summary
Checking that the ATM Module is Installed Correctly
Checking the Power Supply
Checking the Physical Connections
8CHAPTER 6 Installing and Setting UP the Module
Screen Map
Accessing Management Features
Keyboard Shortcuts
Correcting Text Entry
Screen Map
Main Banner
Logging On
Logging Off
User Name Default Access Level Password
Automatic Logout
1Management Screen Map
Managing the ATM Module
2ATM Module Configuration Screen
Configuring an ATM Port
Desired Value of VPI Number of bits Required
Configuring an ATM Port
3ATM LEC Setup Screen
Displaying all VLANs
4Switch Management Screen
5VLAN Selected Screen
ATM Port Setup
Problem Solution
7ATM Port Setup Screen
8ATM ARP Table Screen
Mapping Far End MAC Addresses
Mapping Far End MAC Addresses
Creating a MAC Address to ATM Entry
Finding an Address Entry
Displaying an ATM Connection
Updating Address Entries
Deleting an Address Entry
Finding an ATM Connection
Setting Up Resilient Links
Upgrading Software
10Software Upgrade Screen
Error Messages
Active
Status Messages
Download successful
Load Paused
1Status Monitoring Screen Map
Monitoring the ATM Module
MonitoringUse
Statistics Overview
Physical Connection
ATM Physical Layer Statistics screen
ATM Port Statistics
2Switch Management Screen
4CHAPTER 9 Monitoring the ATM Module
4ATM Vlan LEC Status Screen
ATM Vlan LEC Status
Timeout
State Possible Causes Possible Solutions None
Undefined Error
LEC State Description
State Possible Causes Possible Solutions Duplicated ATM
State Possible Causes Possible Solutions Invalid Request
Parameters
Duplicate LAN
State Possible Causes Possible Solutions Invalid
State Possible Causes Possible Solutions Insufficient
Access Denied
No Configuration
Error
State Possible Causes Possible Solutions
Configuration
Connecting to BUS
Following button is available on this screen
ATM Physical Layer Statistics
ATM Physical Layer Statistics
Using Physical Layer Statistics to Troubleshoot
ATM Physical Layer Statistics
14CHAPTER 9 Monitoring the ATM Module
Safety Notices
Safety Information
World Trade Safety Information
2APPENDIX a Safety Information
Safety Notices
Neodstraňujte desky modulů, pokud je připojeno napájení
Safety Notices
6APPENDIX a Safety Information
Safety Notices
8APPENDIX a Safety Information
Screen Access Rights
2APPENDIX B Screen Access Rights
Environmental Specifications
ATM Module Technical Specifications
ATM Cable Specification
Does the Cable Provide Sufficient Bandwidth?
Specification Description
Numerical Aperture
Example
4APPENDIX C ATM Module Technical Specifications
How to Use this Guide to Troubleshoot
Troubleshooting
Using LEDs
Identifying the Problem
Figure D-1Troubleshooting Flow Diagram
Are there Physical Layer Errors?
Access the Physical Layer Statistics Screen
Check the Physical Connections
Access the ATM Port Setup Screen
Enable the ATM Port
Is the ATM Port Enabled?
Access the ATM Port Statistics Screen
Are Cells being transmitted and received?
Is the LEC ATM Address Valid for the Default VLAN?
Access the ATM Vlan LEC Status Screen
Is the ATM Switch Using AAL5?
Is Signalling Compatible?
Access the ATM Module Configuration Screen
Make Signalling Compatible
Both Devices Must be AAL5 Compliant
Make Ilmi VPI/VCI Same at Both Ends of the Link
Is the Ilmi Connection Set Up Correctly?
Are the MAX VPI and VCI Bits Compatible?
Make the MAX VPI and VCI Bits Compatible
Operational
Why has the LEC Operation Failed?
State Possible Causes
LEC is trying to join
Is the LEC Operational Now?
Has the Problem been Solved?
Elan Configuration Problems
Are the LECs on the Same Emulated LAN?
Re-map or Route the LEC
Enter the MAC Address in the Switch Database
Is the MAC Address in the Switch Database?
Is There Still a Problem?
Use routing
Solving Known Problems
Switch powers up but then
Power Supply Problems
Shuts itself down after a
Few minutes
ATM Module Fails Power on
Power On Self Test Post Failure
Self Test Post
Far End Status LED indicates
Cable Connection Problems
Only showing reserved ATM
ATM Problems
Connections
Communicate with each
Vlan or Elan Problems
Other
Insufficient Resources
Example
To clean fiber optic connectors on the ATM Module
Cleaning Dirty Fiber Optic Connectors
To clean the cable connectors
Electronic Support
Technical Support and Service
Voice Support
IBM Bulletin Board System
2APPENDIX E Technical Support and Service
Trademarks
IBM Warranty for Machines
Statement of Limited Warranty
Production Status
Extent of Warranty
Warranty Service
Limitation of Liability
Federal Communications Commission FCC Statement
Electronic Emission Notices
European Union EU Statement
Information To The User
How to Identify and Resolve Radio-TV Interference Problems
Glossary
ATM Switch
ATM Forum
Cell
Byte
Cell Header
Connectionless
Link
LAN Emulation Lane
Octet
Multiplex
OC-n
Payload
UNI
Telnet
Virtual Channel
VCI
Bibliography
Asynchronous Transfer Mode ATM
LAN Emulation Lane
Books
Bibliography
ATM
Index
SDH STM-1
Sonet
Index
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