Protected Port

Switch Port Isolation without Private VLANs:

Private VLAN Edge

* We have SW2, fas0/16 (Server)  Fas 0/17 (Hacker)

! Configure Isolation, use protect sentence 
SW2(config)#in range fastEthernet 0/16-17
SW2(config-if-range)#switchport protected
* Note: They now can not communicate each other