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Data Frames

Title over blurred text.

Title over blurred text.

The wrap up of a three part series on wireless frames. In previous episodes, I discussed Management and Control frames. Within those episodes I mentioned the frame subtypes contained in each of those frames.

This episode is about Data frames and the data frame subtypes. There are fifteen data frame subtypes which I will briefly go over in the podcast episode.

Data Frames

  1. Data
  2. Data + CF-Ack
  3. Data + CF-Poll
  4. Data + CF-Ack + CF-Poll
  5. Null
  6. CF-Ack (no data)
  7. CF-Poll (no data)
  8. CF-Ack + CF-Poll
  9. QoS Data
  10. QoS Data + CF-Ack
  11. QoS Data + CF-Poll
  12. QoS Data + CF-Ack + CF-Poll
  13. QoS Null (no data)
  14. QoS CF-Poll (no data)
  15. QoS CF-Ack + CF-Poll (no data)
QoS Data Frame
Wireshark capture of a wireless data frame.

The data frame image above highlights the frame type, shown as data, the subtype as a QoS data frame. The image also shows the additional QoS Control field that is part of the data frame because of the subtype that it is (QoS).

This Week In Wireless

CWAP-402 will launches June 28th, 2016 replacing the current PW0-270. Last day to take PW0-270 is June 27th, 2016. Study guide will be available end of May 2016. You can register for the webinar outlining whats new in the CWAP exam which occurs on April 21st

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Rowell, CWNE #210, is a network engineer in Higher-Ed. He enjoys working with wireless networking technologies and loves to share and engage with the community. You can connect with him on Twitter, LinkedIn, and Facebook.

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