Dell PowerConnect W Clearpass 100 Software 3.7 Deployment Guide - Page 326

For high-traffic sites that are maintaining many weeks of log files, enter a non-zero value for Disk Space to ensure that the log files cannot fill up the system's disk. If the disk space check is enabled, the server's free disk space is checked daily at midnight, and if it is below the specified threshold, old log files are deleted to free up space. The syslog protocol is used to send log messages from one system to a syslog server (also known as a 'collector'). The syslog protocol uses UDP port 514. Log messages are grouped according to both facility and priority. When a syslog server has been defined, messages that match the rules defined in this form will be sent to the specified syslog server. The following priority levels are defined in the syslog protocol, which is fully specified in RFC 3164: Table 26 Sylog Priority Levels Level 0 1 2 3 4 5 6 7 Name Emergency Alert Critical Error Warning Notice Informational Debug Meaning System is unusable Action must be taken immediately Critical conditions that warrant urgent attention Error conditions that should be investigated more closely Warning conditions that may need to be investigated more closely Normal but significant condition Informational messages Debugging messages Click the Save Changes button to apply the new system log parameters. The changes will take effect immediately. Managing Data Retention The Data Retention Policy page (Administrator > System Control > Data Retention) lets you manage historical data by archiving or deleting it. For a data retention policy to take effect, you must schedule and enable database maintenance. To do this, go to Administrator > System Control > Database Config. 326 | Administrator Tasks Amigopod 3.7 | Deployment Guide