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Error and Event Messages
This appendix lists the CLI error and event messages.
How to Read System Messages
System messages begin with a percent (%) and are structured as follows: The text in bold are required
elements of the system message, the text in italics are optional elements of the system message.
%FACILITY-SEVERITY-MNEMONIC: Message-text
FACILITY is a code consisting of two or more uppercase letters that indicate the facility to which the
message refers. A facility can be a hardware device, a protocol, or a module of the system software. You
can see a complete list of mainline facility codes for Cisco IOS Release 12.3 on Cisco.com. Go to this
URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123sup/123sems/123semv1/emgove
r1.htm
SEVERITY is a single-digit code from 0 to 7 that reflects the severity of the condition. The lower the
number, the more serious the situation.
Table D-1
Level
0 – emergency
1 – alert
2 – critical
3 – error
4 – warning
5 – notification
6 – informational
7 – debugging
MNEMONIC is a code that uniquely identifies the error message.
Variable information is indicated in brackets, for example [mac-address] indicates a the mac address of
a device, [characters] indicates a character string, and [number] indicates a numeric value.
OL-6415-04
Table D-1
Error Message Severity Levels
Description
System unusable
Immediate action needed
Critical condition
Error condition
Warning condition
Normal but significant condition
Informational message only
Appears during debugging only
Cisco Wireless ISR and HWIC Access Point Configuration Guide
A P P E N D I X
lists the severity levels.
D
D-1
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