Appendix; System Messages; How To Read System Messages - Cisco Catalyst 2950 Software Manual

System Messages

This appendix describes the IOS system messages for the switch. The system software sends these error
messages to the console (and, optionally, to a logging server on another system) during operation. Not
all system messages indicate problems with your system. Some messages are purely informational, and
others can help diagnose problems with communications lines, internal hardware, or the system
software.
This appendix contains these sections:
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•
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How to Read System Messages

System messages begin with a percent sign (%) and are structured as follows:
%FACILITY-SUBFACILITY-SEVERITY-MNEMONIC: Message-text
•
.
Table B-1
Code
CHASSIS
CMP
ENVIRONMENT
GIGASTACK
LINK
LRE_LINK
MODULE
PORT SECURITY
RTD
STORM CONTROL
78-11380-03
How to Read System Messages, page B-1
Error Message Traceback Reports, page B-3
Error Messages and Recovery Procedures, page B-3
FACILITY is a code consisting of two or more uppercase letters that show the facility to which the
message refers. A facility can be a hardware device, a protocol, or a module of the system software.
Table B-1 lists the system facility codes.
Facility Codes
Facility
Chassis
Cluster Membership Protocol
Environment
GigaStack GBIC
Link
LRE Link
Module
Port Security
Runtime Diagnostic
Storm Control
Catalyst 2950 Desktop Switch Software Configuration Guide
A P P E N D I X
B
B-1