Programming instructions

Atmel AT02597: ZigBee PRO Packet Analysis with Sniffer [APPLICATION NOTE]
32210A−WIRELESS−09/2013
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Figure 4-15. Status Field in APS Update Device Command.
Trust Center sends the APS Tunnel command frame in #39. The Tunnel command frame will contain the secured frame
to be sent to the destination, in its payload.
#43 shows the APS Transport Key command frame sent from the router parent to the newly joined end-device. It
includes the key sequence number and the active network key. In case the router has joined with a pre-configured
network key, the APS Transport packet would contain key sequence number and the key values as all-zeros.
End-device receives the Transport Key command frame, sets and activates the network key and does a device
announcement to the network.