Syslog allows a computer or device to deliver messages to another computer or device. Syslog messages are text messages with a particular formatting that associate a facility, severity, and/or priority with a message. The syslog messages have different severity levels, as indicated by the number in the message. These severity levels are essentially a measure of the criticality of a system event. The following image shows the various syslog severity levels and their corresponding meaning:
Figure 7: Syslog severity levels
As an example, consider the following syslog message:
%SYS-5-RELOAD: Reload Requested
This syslog message has a severity ...
