Enabling port security

Enabling or disabling port security resets the following security settings to the default:

When port security is enabled, you cannot manually enable 802.1X or MAC authentication, or change the access control mode or port authorization state. The port security automatically modifies these settings in different security modes.

You cannot disable port security when online users are present.

Before enabling port security, disable 802.1X and MAC authentication globally.

To enable port security:

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enable port security.

port-security enable

By default, the port security is disabled.

For more information about 802.1X configuration, see "Configuring 802.1X." For more information about MAC authentication configuration, see "Configuring MAC authentication."