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67
Severit
y value
Level Description
3
Error
Error condition. For example, the link state changes.
4 Warning
Warning condition. For example, an interface is disconnected, or the memory
resources are used up.
5 Notification
Normal but significant condition. For example, a terminal logs in to the device,
or the device reboots.
6 Informational
Informational message. For example, a command or a ping operation is
executed.
7 Debugging
Debug
message.
Log destinations
The system outputs logs to the following destinations: console, monitor terminal, log buffer, log host,
and log file. Log output destinations are independent and you can configure them after enabling the
information center.
Default output rules for logs
A log output rule specifies the source modules and severity level of logs that can be output to a
destination. Logs matching the output rule are output to the destination.
shows the default log
output rules.
Table 7 Default output rules
Destination
Log source modules
Output switch
Severity
Console
All supported modules
Enabled
Debug
Monitor terminal
All supported modules
Disabled
Debug
Log host
All supported modules
Enabled
Informational
Log buffer
All supported modules
Enabled
Informational
Log file
All supported modules
Enabled
Informational
Default output rules for diagnostic logs
Diagnostic logs can only be output to the diagnostic log file, and cannot be filtered by source
modules and severity levels.
shows the default output rule for diagnostic logs.
Table 8 Default output rule for diagnostic logs
Destination
Log source modules
Output switch
Severity
Diagnostic log file
All supported modules
Enabled
Debug
Default output rules for security logs
Security logs can only be output to the security log file, and cannot be filtered by source modules and
severity levels.
shows the default output rule for security logs.