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Appendix A. Troubleshooting
This appendix describes how to diagnose and solve problems associated with the operation of the 8265.
The following problems are detailed in this appendix:
Problem
Refer to:
Power Supply Problems
Page 128
Management Console Problems
Page 129
Control Point and Switch Module Problems
Page 131
Hardware Problems
Page 133
ATM Network Problems
Page 137
ATM Connection Problems
Page 139
LAN Emulation Problems
Page 141
Network Security Problems
Page 149
Administration Problems
Page 150
“Getting Further Assistance” on page 153 explains the information to collect should you require additional
help in solving a problem.
USA and Canada: If the problem is not resolved after following the troubleshooting procedures outlined
in this appendix, call toll-free 800-IBM-SERV for IBM support.
Troubleshooting Prerequisites
This section describes the troubleshooting operations for problems if the CPSW Active LED fails to come
on after you switch on the 8265 (if diagnostics are enabled the LED should come on after approximately 7
seconds, if diagnostics are disabled the LED should come on immediately.)
In order to determine the cause of a problem with CPSW and media modules after switching on the 8265:
The correct microcode must be installed.
CPSW LEDs must be functioning properly.
CPSW and media modules must be plugged into the 8265.
To ensure that these conditions are satisfied, follow these steps:
1. From the Control Point and Switch module console, enter
show module 18.1 verbose
and verify that
the level of the controller module code is at least 1.01. If it is not, the slots in which media modules
are installed may not receive power.
2. Make sure that the CPSW and media modules are properly inserted in their slots and are plugged into
the connectors on the backplane of the 8265.
3. Verify that all CPSW media module LEDs are operative by pressing the LED Test button on the
controller module. If one or more LEDs on the module do not come on, replace the module.
Copyright IBM Corp. 1994, 1998
127
Summary of Contents for 8265 Nways ATM Switch
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