The system can generate a set of SNMP traps upon the occurrence of those events. By checking a filter event, you are turning off the filter and enabling the trap associated with that event.
Device Control
Switch Configuration 
Figure 4-9. The Switch Configuration upper Menu
1.There are three different mode of VLAN supported in this system – 802.1Q, Port Base VLAN, MTU/MDU. The choice you made here will ultimately decide the VLAN mode and function for entire system (the configuration of the other two VLAN mode will have no effect to the system behavior).
2.Broadcast Storm Prevention can be set to 6% 0r 20% beside Disable. The percentage indicates the allowance against the capacity. When its disable there will be no limitation on the incoming rate of broadcast / multicast traffic, otherwise limitation on those traffics will be set to the percentage accordingly.
3.When QoS is enabled you can map the Type of Service of your choice (according to IEEE 802.1p) to the four priority levels provided.
Figure 4-10. The Switch Configuration lower Menu
37