Cisco Catalyst 2950 Software Configuration Manual page 427

Chapter 21 Configuring System Message Logging
Command
Step 6
show running-config
or
show logging
Step 7 copy running-config startup-config
Note Specifying a level causes messages at that level and numerically lower levels to be displayed at the
destination.
To disable logging to the console, use the no logging console global configuration command. To disable
logging to a terminal other than the console, use the no logging monitor global configuration command.
To disable logging to syslog servers, use the no logging trap global configuration command.
Table 21-3
the most severe level to the least severe level.
Table 21-3 Message Logging Level Keywords
Level Keyword
emergencies
alerts
critical
errors
warnings
notifications
informational
debugging
The software generates four other categories of messages:
•
•
•
•
78-11380-04
Purpose
Verify your entries.
(Optional) Save your entries in the configuration file.
describes the level keywords. It also lists the corresponding UNIX syslog definitions from
Level
0
1
2
3
4
5
6
7
Error messages about software or hardware malfunctions, displayed at levels warnings through
emergencies. These types of messages mean that the functionality of the switch is affected. For
information on how to recover from these malfunctions, refer to the Catalyst 2950 Desktop Switch
System Message Guide.
Output from the debug commands, displayed at the debugging level. Debug commands are
typically used only by the Technical Assistance Center.
Interface up or down transitions and system restart messages, displayed at the notifications level.
This message is only for information; switch functionality is not affected.
Reload requests and low-process stack messages, displayed at the informational level. This
message is only for information; switch functionality is not affected.
Description
System unstable
Immediate action needed
Critical conditions
Error conditions
Warning conditions
Normal but significant condition
Informational messages only
Debugging messages
Catalyst 2950 Desktop Switch Software Configuration Guide
Configuring System Message Logging
Syslog Definition
LOG_EMERG
LOG_ALERT
LOG_CRIT
LOG_ERR
LOG_WARNING
LOG_NOTICE
LOG_INFO
LOG_DEBUG
21-9