Different update modes:
1. Disable: means no update
2. Update after reboot: means update after reboot.
3. Update at time interval: means periodic update.
8.3.6.2 Syslog Config
Syslog is a protocol which is used to record the log messages with client/server
mechanism. Syslog server receives the messages from clients, and classifies
them based on priority and type. Then these messages will be written into log by
some rules which administrator can configure. This is a better way for log
management.
8 levels in debug information:
Level 0---emergency: This is highest default debug info level. You system cannot
work.
Level 1---alert: Your system has deadly problem.
Level 2---critical: Your system has serious problem.
Level 3---error: The error will affect your system working.
Level 4---warning: There are some potential dangers. But your system can work.
Level 5---notice: Your system works well in special condition, but you need to
check its working environment and parameter.
Level 6---info: the daily debugging info.
Level 7---debug: the lowest debug info Professional debugging info from R&D
person.
At present, the lowest level of debug information is info; debug level only can be
displayed on telnet.