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Massive Drop in Location Analytics Passerby Count
Since Jan 20 I've observed a steep decent on the Passerby count In 3 different organizations
Is there any change in how it is being calculated?
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Is there any publicly available documentation on the algorithms used for the analytics?
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Found the Answer in this post Meraki and iOS 14 MAC Address Randomization - Cisco Meraki
on this Thread Documentation Digest: January 21st to January 25th - The Meraki Community
It has to do with the drop of randomized MAC addresses from the passerby count.
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I'm not convinced by that article (it from IOs latest update in September and the changes in passerby count is on 20 Jan), maybe there is another explanation.
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Yeah the MAC Address randomization has been in place for a while.. probably something else but we haven't experienced it on our end, might just be a configuration issue/change on your network?
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No, two different Networks on two different organizations, no changes on the configuration log.
Org A
Org B
It seems that visitors data is no affected, but there's a Clear drop in Passerby sice 20 Jan.
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The fact that its two different organizations definitely has to mean that there's been some systematic change. I'm surprised there aren't more recent posts about this subject?
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@AutomationDude same here:
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@Juanchomann our all seemed to go right down on the 21st January, is that the same for you?
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The article you referred to was posted on the 22nd so I think the ignoring of random MAC addresses was enabled on the 21st:
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@cmr that article is from September, and the update on 22st is "Updated Screenshots" . Looking back until July there is noticeable growing trend in passerby until the change in Jan 20. Maybe you're right. Hope that someone can verify that.
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Haven't done any change or update on my side since in January, and still I see a massive drop..
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@Nacouzi that is the time that Meraki stopped counting randomised MAC addresses in the passers by statistics, up until then they were counted so that is why there is a sudden drop. Randomised MAC addresses all follow a prescribed format so it is easy to discount them.
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ok, so it explains it.
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Although they are devices with randomized addresses, they are still real for a time window and can be counted. Is there the possibility to change this default as they provide over in Cisco DNA?
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It doesn't explain it alone, especially that there is a sudden drop, as if on January 21st, all Apple users updated to iOS 14 and enabled MAC randomization, which is practically improbable.
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same for me. This being said, I think it is much more accurate right now. I have a retail store, I think it used to count the cars' WIFI, now it counts only the pedestrians WIFI, which is much better in my use case.