Articles by tag "Network Security"

1. Mastering Dynamic ARP Inspection (DAI) on Cisco Switches
   Selene Gong

   20
   The Address Resolution Protocol (ARP) is fundamental to network communication within a Layer 2 broadcast domain, responsible for mapping IP addresses to MAC addresses. However, ARP is inherently vulnerable because it allows any host to send a "gratuitous reply" or forged ARP packet, a technique ...