ARP
& RARP
• Network
Layer is responsible for host to host transmission of packets using logical addressing.
• These
packets are encapsulated in a frame and there comes the requirement of physical
address, for node-to-node transmission.
• Sometimes requirement comes for booting a
diskless network or leasing an IP
address to a host, then we need IP address from physical address.
Thus we need protocols to create a mapping
between physical and logical addresses
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