Configuring and Monitoring Port Security

Reading Intrusion Alerts and Resetting Alert Flags

Menu: Checking for Intrusions, Listing Intrusion Alerts, and

Resetting Alert Flags

The menu interface indicates per-port intrusions in the Port Status screen, and provides details and the reset function in the Intrusion Log screen.

1.From the Main Menu select:

1.Status and Counters4.Port Status

The Intrusion Alert column shows “Yes” for any port on which a security violation has been

MAC Address of Intruding Device on

Figure 11-12. Example of Port Status Screen with Intrusion Alert on Port A3

2.Type [I] (Intrusion log) to display the Intrusion Log.

System Time of Intrusion on Port

Indicates this intrusion on port A3 occurred prior to a reset (reboot) at the indicated time

Figure 11-13. Example of the Intrusion Log Display

The example in Figure 7-11 shows two intrusions for port A3 and one intrusion for port A1. In this case, only the most recent intrusion at port

A3 has not been acknowledged (reset). This is indicated by the following:

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