Chapter 4
| System Management Commands
Event Logging
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However, it may be used by the syslog server to sort messages or to store messages
in the corresponding database.
Example
Console(config)#logging facility 19
Console(config)#
logging history This command limits syslog messages saved to switch memory based on severity.
The no form returns the logging of syslog messages to the default level.
Syntax
logging history {flash | ram} level
no logging history {flash | ram}
flash - Event history stored in flash memory (i.e., permanent memory).
ram - Event history stored in temporary RAM (i.e., memory flushed on
power reset).
level - One of the levels listed below. Messages sent include the selected
level down to level 0. (Range: 0-7)
Default Setting
Flash: errors (level 3 - 0)
RAM: debugging (level 7 - 0)
Command Mode
Global Configuration
Command Usage
The message level specified for flash memory must be a higher priority (i.e.,
numerically lower) than that specified for RAM.
Table 20: Logging Levels
Level Severity Name Description
7 debugging Debugging messages
6 informational Informational messages only
5 notifications Normal but significant condition, such as cold start
4 warnings Warning conditions (e.g., return false, unexpected return)
3 errors Error conditions (e.g., invalid input, default used)
2 critical Critical conditions (e.g., memory allocation, or free memory
error - resource exhausted)
1 alerts Immediate action needed
0 emergencies System unusable
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