'UNKNOWN' device connected with invalid MAC address

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'UNKNOWN' device connected with invalid MAC address

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'UNKNOWN' device connected with invalid MAC address
'UNKNOWN' device connected with invalid MAC address
2021-01-26 10:12:43 - last edited 2021-01-29 09:31:38
Model: Deco M5  
Hardware Version: V3
Firmware Version: 1.5.1

I've recently had a notification that a new device has connected to my Deco network as 'UNKNOWN' with an invalid MAC address of 'AE-C7-55-80-9F-E7'. 

 

I've blocked/blacklisted it, but I'm intrigued as to why it appeared randomly with an invalid ID. 

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Re:'UNKNOWN' device connected with invalid MAC address-Solution
2021-01-27 07:50:21 - last edited 2021-01-29 09:31:38

@richpriest 

Hi, thanks for your patience.

Have you checked if there is one of your home devices?

For some mobile devices, they supported private address and could change its MAC address and make Deco recognize it as a new device;

For example on the IOS14: https://www.fing.com/news/private-mac-address-on-ios-14

 

Thank you very much.

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Re:'UNKNOWN' device connected with invalid MAC address-Solution
2021-01-27 07:50:21 - last edited 2021-01-29 09:31:38

@richpriest 

Hi, thanks for your patience.

Have you checked if there is one of your home devices?

For some mobile devices, they supported private address and could change its MAC address and make Deco recognize it as a new device;

For example on the IOS14: https://www.fing.com/news/private-mac-address-on-ios-14

 

Thank you very much.

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Re:'UNKNOWN' device connected with invalid MAC address
2021-01-29 09:31:32
Ah that might explain it, my work iPhone recently upgraded to iOS14. Thanks!
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