VLAN Hopping Attacks EXAM ALERT Be sure to review basic virtual LAN (VLAN) and IEEE 802.1Q trunk configuration and operation from the prerequisite CCNA material. VLAN hopping attacks occur when an attacker tricks a switch into allowing traffic to hop to a different VLAN than the VLAN assigned to the port to which they are connected. Normally, routers are required to route … [Read more...]