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In a WiFi capture log, why the 11ac “beamformed” bit is shown as both “true” and “false” in wireshark version 2.4.2 (v2.4.2-0-gb6c63ae086)?

asked 2017-12-07 23:55:39 +0000

paul gravatar image

In a WiFi capture log, why the 11ac “beamformed” bit is shown as both “true” and “false” in wireshark version 2.4.2 (v2.4.2-0-gb6c63ae086)?

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I don't have many adapters that pass up BeamFormer information, but for the ones that do I see consistency in the capture. Perhaps you could share a packet that has the information that you find inconsistent? So it is a 'bit', it should only have one of two states, so not sure how it could be true and false? That being said, I only have captures where it is always false so cannot positively show in all cases where it is correct.

Also the capture adapter you used would be useful.

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Bob Jones gravatar imageBob Jones ( 2017-12-08 11:15:12 +0000 )edit

Thanks, Bob. I have a capture showing "True" in the first red rectangular box, and "False" in the second red rectangular box. But this web site does not allow me to upload any picture/file since "points is < 80" (which I don't know what that is about)?

paul gravatar imagepaul ( 2017-12-09 04:24:39 +0000 )edit

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answered 2017-12-09 05:44:11 +0000

Guy Harris gravatar image

Please file a bug on this on the Wireshark Bugzilla, and attach the capture to the bug. (The capture file will be a lot more useful in determining what's happening than a screenshot would be.)

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Asked: 2017-12-07 23:55:39 +0000

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Last updated: Dec 09