Event Logging Commands

37-2

37
Related Commands
logging history (37-2)
logging trap (37-4)
clear log (37-5)
logging history
This command limits syslog messages saved to switch memory based on severit y.
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: warnings (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.
Table37-2 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
* There are only Level 2, 5 and 6 error messages for the current firmwa re release.