What is meant by group key?

[ani]

Hello,

This is Jahnavi.I am having 3 nrf52 DK boards and I have to make mesh configuration with those 3 devices.How to connect the nodes of the mesh with group Key?

What is meant by Group Key?

[Hung Bui]

Hi Jahnvi, 

Please clarify which mesh stack/protocol you are using ? Is it our nRF5 SDK for Mesh ? 

What exactly is the "Group key" you are asking about ?