OptionalacceptThe packet carrying the accept, for a join.
OptionalconfirmedWhether the device asked to be acknowledged.
The address granted, or the address a frame claimed.
OptionaldevThe device that joined, as sixteen hexadecimal digits.
OptionalfcntThe counter the frame carried, reconstructed to its full width.
OptionalfportThe port the frame was sent on, absent for a frame carrying only options.
Which of the three this was.
OptionalpayloadWhat the device sent, decrypted.
OptionalrelayWhat a relay added to an uplink it forwarded, TS011-1.0.1 section 9.1, or null for
one the gateway heard itself. An answer goes back through the same relay.
OptionalslotWhere an answer goes, for a join or for data.
What a forwarded packet turned out to be, and where its answer goes.