HP 1920 Gigabit Ethernet Switch Series User Manual page 445

Figure 421 Secure MAC address list
2. When the maximum number of MAC addresses is reached, intrusion protection is triggered. Select
Device > Port Management from the navigation tree, and then select the Detail tab.
On the page, click the target port (GigabitEthernet 1/0/3 in this example) to view details.
Figure 422 shows that the port state is inactive.
Figure 422 Displaying port state
3. Re-select GigabitEthernet 1/0/3 to refresh its data 30 seconds later.
Figure 423 shows that the port state is active.
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