port-security enable

Syntax

port-security enable

undo port-security enable

System view

2: System level

None

Use port-security enable to enable port security.

Use undo port-security enable to disable port security.

By default, port security is disabled.

You must disable global 802.1X and MAC authentication before you enable port security on a port.

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

802.1X access control mode is MAC-based, and the port authorization state is auto.
Port security mode is noRestrictions.

You cannot disable port security when online users are present.

Related commands: display port-security, dot1x, dot1x port-method, dot1x port-control, and mac-authentication.

# Enable port security.

<Sysname> system-view
[Sysname] port-security enable

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