+-----+ +-----+ | | | | | CP1 | | CP2 | | | | | +--+--+ +--+--+ | | | 1. options | +-------------------->| | | | | |2. optionsResponse | |<--------------------+ | | | | |3. advertisement | +-------------------->| | | | | |4. configure+ack | |<--------------------+ | | | | |5. configureResponse | +-------------------->| | | | | |6. advertisement | +-------------------->| | | | | | 7. ack | |<--------------------+ | | | | |8. configure | |<--------------------+ | | | | |9. configureResponse | +-------------------->| | | | | . . . . . .