A-3
Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
78-6511-05
Appendix A System Error Messages
How to Read System Error Messages
• 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 A-2
lists the message severity levels.
• MNEMONIC is a code that uniquely identifies the error message.
• Message-text is a text string describing the condition. This portion of the
message sometimes contains detailed information about the event, including
terminal port numbers, network addresses, or addresses that correspond to
locations in the system memory address space. Because the information in
these variable fields changes from message to message, it is represented here
by short strings enclosed in square brackets ([ ]). A decimal number, for
example, is represented as [dec]. Table A-3 lists the variable fields in
messages.
Table A-2 Message Severity Levels
Severity Level Description
0 – emergency System is unusable.
1 – alert Immediate action required.
2 – critical Critical condition.
3 – error Error condition.
4 – warning Warning condition.
5 – notification Normal but significant condition.
6 – informational Informational message only.
7 – debugging Message that appears during debugging only.
Table A-3 Representation of Variable Fields in Messages
Representation Type of Information
[dec] Decimal
[char] Single character
[chars] Character string
[hex] Hexadecimal integer
[inet] Internet address
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