Networking Basics - The Address Resolution Protocol (ARP)
What exactly is the Address Resolution Protocol (ARP) and what role does it play in network technology? This video gives you an insight into how ARP works and how it is used to resolve IP addresses into MAC addresses. You'll also learn about the security aspects that need to be considered. I'll show you exactly how this all works in a network simulation using Cisco Packet Tracer - you'll see step by step how the ARP request, ARP response, and the rest of the network behave.
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0:00 Local Network Communication
0:30 Address Resolution Protocol
0:47 Data Forwarding
1:30 MAC Addresses
2:30 Network Topology
3:20 ARP Cache
3:58 ARP Request
5:17 ARP Response
6:33 Filling the ARP Cache
7:22 Physical Forwarding
7:58 ARP Security
9:02 Details of Network Communication