Cisco: Tag An Interface to A Mac Address

The following commands allow you to tag a Cisco switch interface to a device's Mac address:

switchport port-security mac-address XXXX.XXXX.XXXX
switchport port-security

To change another device's Mac address, type in the following commands:

no switchport port-security mac-address XXXX.XXXX.XXXX
no switchport port-security
switchport port-security mac-address YYYY.YYYY.YYYY
switchport port-security