Setting Up Security for a Device

Hub Port Security

Figure 14-3. Hub Port Security PageAddress Selection

Address Selection refers to how the authorized address for a port is discovered. The three settings are explained in the table.

Table 14-2. How Authorized Addresses are Discovered

Setting

Description

 

 

Continuous

The device learns the address of the device attached to the port and

 

makes it the authorized MAC address. If a different device is later

 

attached to the port, the new address is learned and becomes the

 

authorized address.

First Heard

The device learns the address of the device attached to the port and

 

makes it the authorized MAC address. If a different device is later

 

attached to the port, the new address is registered as an “intruder

 

address”; a security violation has occurred and the port is

 

automatically disabled.

Assigned

Enter the address of the device that is authorized to be attached to the

 

port. If a different device is attached to the port, the new address is

 

registered as an “intruder address”; a security violation has occurred

 

and the port is disabled.

 

 

To set the Address Selection:1.Click on the Set Security Policy for Selected Ports button.2.Select a setting from the Address Selection drop down list.3.Click on Apply Settings.

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