C
HAPTER
21
| System Management Commands
Event Logging
– 531 –
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.
EXAMPLE
Console(config)#logging history ram 0
Console(config)#
Table 46: 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