Dell Networking N4000 Series Configuration Manual page 563

Figure 19-32. Captive Portal Activation and Activity Status
NOTE:
Use the Block and Unblock buttons to control the blocked status. If the
Captive Portal is blocked, users cannot gain access to the network through the
Captive Portal. Use this function to temporarily protect the network during
unexpected events, such as denial of service attacks.
Interface Activation Status
The Interface Activation Status page shows information for every interface
assigned to a captive portal instance.
To display the Interface Activation Status page, click System → Captive
Portal → Interface Status → Interface Activation Status.
Configuring Port and System Security
563