Target Hardware Address THA

The address being asked for. All zeroes in a request, because not knowing it is the reason for sending.

Reading a capture

A field whose emptiness carries the meaning. In the reply it is filled in, and that difference is the entire transaction.

Where it sits

ARP Packet > Target Hardware Address

• Open in the explorer — ARP request in a QoS Data frame

Accuracy

Clause

RFC 826

Verified

Not verified against the standard. Treat this as a claim, not a fact.