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# System prepended metadata

title: 802.11 Power Management with packet capture examples

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# 802.11 Power Management with packet capture examples

https://dot11zen.blogspot.com/2018/02/80211-power-management-with-packet.html

https://blogs.arubanetworks.com/industries/802-11-mac-header-breakdown/


![](https://i.imgur.com/NGTswf0.jpg)



#1.觀察DUT送出來的多種Protocol封包(60:84:bd:b5:74:d6)，都可以看到“…0….Power Management - active mode”. (代表著DUT並沒有進入sleep mode)