QoS data then QoS (retry)

asked 2019-11-08 14:29:31 +0000

Alix
3 ●1 ●2

Hi,

I took a monitor mode packet capture and can see 1 QoS data and then QoS data (retry) packets throughout. I cannot find an explanation as to what this might mean. Can anyone enlighten?

answered 2019-11-08 15:04:59 +0000

Bob Jones
1496 ●2 ●179 ●22 Boston, MA

updated 2019-11-08 15:05:54 +0000

You have packet loss; an 802.11 ACK was not received within the alloted time window, so the sender will retransmit, this time (and subsequent attempts) with the Retry bit set. After a certain number of these retries, sender will usually give up and drop the frame.

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Advice is much appreciated!

Alix ( 2019-11-08 15:15:25 +0000 )edit

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