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HARDWARE TYPE: Indicates
the hardware interface type.
PROTOCOL TYPE: Specifies the upper-level protocol address the originator sent. HARDWARE ADDRESS LENGTH: Specifies the length of the bytes in the packet. PROTOCOL ADDRESS LENGTH: Specifies the length in bytes of the high-level protocol. OPERATION CODE: Specifies one of the following: ARP request, AEtP response, RARP request, or RARP response. SENDER HARDWARE ADDRESS: If known, it is supplied by the sender. SENDER PROTOC0L ADDRESS: Like the hardware address, it is sent if known. TARGET HARDWARE ADDRESS: Destination address. TARGET PROTOCOL ADDRESS: Contains
the IP address of the destination host.
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