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64  NTU Optical Network Terminals 
 
 
–  Log—enable/disable system log; 
–  Log Level – sets the verbosity of the event log. Severity levels are in the descending order: 
–  Emergency; 
–  Alert; 
–  Critical; 
–  Error; 
–  Warning; 
–  Notice; 
–  Informational; 
–  Debugging; 
–  Display Level—display level of the event log messages; 
–  Mode—mode of the log operation: 
–  Local—local (all events return to the router via the internal buffer); 
–  Remote—remote (all events return to Syslog server); 
–  Both—both modes are enabled; 
–  Flash—sends events to a USB drive; 
–  Linux Level Console Display Level (printk)—set the Linux console logging level; 
–  Send CMS logs to syslog (require reboot)—enables/disables CMS messages transmission to the system 
log. 
 
The following settings are available in the Remote mode: 
–  Server IP address—IP address of a Syslog server, which stores all the events; 
–  Server IP Port—Syslog server port number. 
 
Click the Apply/Save button to accept and save the changes. 
4.6.6.2.  The View Submenu. System Log Display 
The menu is used to configure the display of router's events.