Nrf router and end device with Digi Xbee Coordinator

[Yash_2]

Hello,

I am using nrf sdk 1.5.1 and trying to connect the Nrf ZigBee router(light bulb example) with Digi Xbee Coordinator but it doesn't seem to connect. I observed the same when I tried to connect nrf end device(light switch example). 

Note - the digi xbee coordinator is tested and working with the digi end device and router

I have attached the sniffer log for more information.

IG_nrfRouter.pcapng

Any help on this is appreciated.

Thanks and Regards,

Yash.

[Jørgen Holmefjord]

Hi,

Have you made sure to fully erase the nRF device before programming the application, to make sure there is no commissioning data stored in flash?

Can you post the application log from the light bulb/switch example, to see if this provides any information about what is failing? You can enable more logs and increase the log level of the application as described in the SDK documentation.

Best regards,
Jørgen

[Jørgen Holmefjord]

Hi,

Can you try the suggestion in this post?

Yash_2 said:

Is there a separate log file that is generated? If yes, can you please help me locate that file?

No, I was referring to the console log output that you see on Putty.

Best regards,
Jørgen

[Jørgen Holmefjord]

Hi Yash,

I had our Zigbee developers have a look at the sniffer trace you provided. It shows that the coordinator is not behaving as expected. After the Association Response (and corresponding MAC ACK), coordinator should have sent Transport Key frame with NWK key inside. With that frame missing, association is broken and procedure is restarted later by the joining device.

You need to look into why your coordinator side is not sending the Transport Key frame.

Best regards,
Jørgen

[Yash_2]

Hello Jorgen,

Understood, thank you.

But considering that the coordinator will not send the Transport key, are there any changes(config or code changes) that I can make in the nrf_router/nrf_endDevice that will skip past those transport key steps?

Thanks and Regards,

Yash.

[Yash_2]

Hello Jorgen,

While searching for API's to disable the n/w link key transfers I stumbled upon these API's -

ZBOSS - Compile-time configuration parameters
Link -developer.nordicsemi.com/.../group___z_b___c_o_n_f_i_g.html

#define ZB_ROUTER_SECURITY //Defines router security

And found these as well ->

Would either of those be used to disable the Transport key exchange step?

If not, can you please suggest what changes I can do to make it work?

Thanks and Regards,

Yash.

[run_ar]

Hi,
I am sorry, we are currently a little low on zigbee competence due to vacations (and will be for a couple of weeks). But I will try to forward your question to the developers to see if they can help answer your quesiton. I am sorry for the inconvenience.

[run_ar]

Hi,

Yash_2 said:

But considering that the coordinator will not send the Transport key, are there any changes(config or code changes) that I can make in the nrf_router/nrf_endDevice that will skip past those transport key steps?

Here is the answer I got from the zigbee team when forwarding your question:

I don't think so. First, make sure that Digi Xbee Coordinator is configured correctly so it can work with our Zigbee router.

For example, have the customer enabled securtiy at Xbee device? (Encryption Enable (EE) parameter must be set to 1)