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18.1.2  Memory Monitor 
Choose the menu Maintenance→System Monitor→Memory Monitor to load the following page. 
 
Figure18-2 Memory Monitor 
UN IT:   Select the unit ID of the desired member in the stack. 
Click the Monitor button to enable the switch to monitor and display its Memory utilization rate 
every four seconds. 
18.2 Log 
The Log system of switch can record, classify and manage the system information effectively, 
providing powerful support for network administrator to monitor network operation and diagnose 
malfunction. 
The Logs of switch are classified into the following eight levels. 
Severity 
Level  Description   
emergencies  0 
The system is unusable. 
alerts  1 
Action must be taken immediately. 
critical  2 
Critical conditions 
errors  3 
Error conditions