Protecting Layer 2 Using Cisco Best Practices By Dataprise | August 3, 2012 | Comments Off on Protecting Layer 2 Using Cisco Best Practices Protecting Layer 2 Using Cisco Best Practices The Data Link layer (Layer 2 of the OSI model) is used to transfer data between network entities with interoperability and interconnectivity to other layers. Therefore, it is the most important layer to be secured from a network perspective and is highly vulnerable to attacks. As we commonly… Read More