Troubleshooting guide

Contents
xiii
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Limiting Messages to a Syslog Server A-9
Displaying the Logging Configuration A-9
APPENDIX B Troubleshooting TACACS+ and Recovering Passwords B-1
Troubleshooting TACACS+ Problems B-1
Errors Unarchiving Source File B-1
Cannot Compile Daemon B-2
Daemon Is Not Up and Running B-3
Daemon Does Not Run B-3
Users Cannot Connect Using TACACS+ B-4
Recovering a Lost Password B-5
APPENDIX C ATM Cell Structures C-1
Formats of the ATM Cell Header C-1
OAM Cell Structure C-3
Generic Identifier Transport IE Used by Signalling C-4
LANE Data Frame C-5
APPENDIX D Creating a Core Dump D-1
Using exception Commands D-1
Creating a Core Dump D-1
Creating an Exception Memory Core Dump D-2
Using the write core Command D-3
APPENDIX E ATM and Layer 3 Technical Tips E-1
Accessing ATM Technical Tips Using Cisco.com Online E-1
Understanding show controllers Command Output E-2
Line Coding E-2
Connection Alarm Types E-3
Architecture Problems E-4
Gigabit Ethernet Interface NOBUFFER Error E-4
NO HARDWARE RESOURCE Error During VC Configuration E-6
Port Stuck Message E-7
Potential Causes E-8
APPENDIX F Technical Support F-1
Gathering Information about Your Internetwork F-1
Getting the Data from Your Switch Router F-2