9 protected ports – Interlogix NS3500-28T-4S User Manual User Manual
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appears.
Figure 4-3-15
Port Error Disable Page Screenshot
The displayed counters are:
Object
Description
Port Name
Display the port for error disable.
Error Disable Reason
Display the error disabled reason of the port.
Time Left (Seconds)
Display the time left.
4.3.9 Protected Ports
Overview
When a switch port is configured to be a member of protected group (also called Private VLAN), communication
between protected ports within that group can be prevented. Two application examples are provided in this section:
Customers connected to an ISP can be members of the protected group, but they are not allowed to
communicate with each other within that VLAN.
Servers in a farm of web servers in a Demilitarized Zone (DMZ) are allowed to communicate with the outside
world and with database servers on the inside segment, but are not allowed to communicate with each other