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CC2530: ZED connected to a ZRT does not receive packets until gets reset

Part Number: CC2530
Other Parts Discussed in Thread: Z-STACK, CC2531

Hi all,

Resently we are facing communications problems with a Zigbee network of ZCO, ZRTs and ZEDs running Z-Stack.

The pre-compilators options used for ZCO and ZRT are compliant to 400 nodes paper.

When we sniffer the network, the data packets to the ZED have a lot of retransmitions from its ZRT parent. The ZED don't receive any of them (does'n send ACKs to the parent).

Then, when we reset the ZED and retry the test, the data packet is received with no problem (it sends the ACK in response of the first packet transmit from its ZRT parent).

We don't know if this is a ZED or ZRT problem. But the device works fine for a couple of days and then, this behavior is seen.

Any ideas why is this happening?

Regards