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CCNA: Address Resolution Protocol (ARP)

The Network DNA

CCNA: Address Resolution Protocol (ARP) In this article, we will talk about ARP that maps the layer 3 address to the layer 2 MAC address. This is similar to Address Resolution Protocol, which maps layer 3 IP addresses to the layer MAC addresses. PC-2 now creates an Ethernet frame to respond to the ARP. IP address. with 0x4a::56.