joining device通过其准parent入网,既然其准parent已经是网络中的一员,那么其准parent就应该知道network key,为什么其准parent还要到trust center去获取network key来给到joining device呢?
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joining device通过其准parent入网,既然其准parent已经是网络中的一员,那么其准parent就应该知道network key,为什么其准parent还要到trust center去获取network key来给到joining device呢?