Alcatel Carrier Internetworking Solutions 8800 Manuale Utente

OmniSwitch Troubleshooting Guide

September 2005

iii

Contents

About This Guide .........................................................................................................xv

Supported Platforms ......................................................................................................... xv

Who Should Read this Manual? ...................................................................................... xvi

When Should I Read this Manual? .................................................................................. xvi

What is in this Manual? ................................................................................................... xvi

What is Not in this Manual? ........................................................................................... xvii

How is the Information Organized? ............................................................................... xvii

Related Documentation .................................................................................................. xvii

Before Calling Alcatel’s Technical Assistance Center .................................................... xx

Troubleshooting the Switch System ......................................................................1-1

In This Chapter ................................................................................................................1-1

Introduction .....................................................................................................................1-2

Troubleshooting System for OS-6624/6648 and OS-7/8XXX .......................................1-3

Advanced Troubleshooting .............................................................................................1-9

Dshell Troubleshooting .................................................................................................1-11

Troubleshooting NIs on OmniSwitch 7700/7800/8800 .........................................1-21
OmniSwitch 6624/6648 Dshell Troubleshooting ...................................................1-23

Accessing Dshell on Idle Switches ..................................................................1-25

Using AlcatelDebug.cfg ................................................................................................1-26

Troubleshooting IPC on OS-6/7/8XXX Series of Switches .........................................1-27

Debugging IPC .......................................................................................................1-27
OmniSwitch 6624/6648 Example ..........................................................................1-34

Port Numbering Conversion Overview .........................................................................1-36

ifindex to gport .......................................................................................................1-36
gport to ifindex .......................................................................................................1-36
Converting from lport .............................................................................................1-36

OmniSwitch 7700/7800/8800 (Falcon/Eagle) Example ..................................1-36
OmniSwitch 6624/6648 (Hawk) Example ......................................................1-37

Troubleshooting Switched Ethernet Connectivity ..............................................2-1

In This Chapter ................................................................................................................2-1

Overview of Troubleshooting Approach ........................................................................2-2

Verify Physical Layer Connectivity ................................................................................2-3

Verify Current Running Configuration ...........................................................................2-5