Why is 802.11w not supported on the AP110, AP120, AP170, AP320 and AP340?

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  • Updated 5 years ago
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Considering that there should be no hardware requirement for 802.11w support, rather it should be software dependent, why is 802.11w not supported on the AP110, AP120, AP170, AP320 and AP340 in HiveOS 6.0r2?

Is this a temporary limitation for the previous generation hardware or a permanent one?

Thanks,

Nick
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Nick Lowe, Official Rep

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Posted 5 years ago

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Matthew Gast

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Official Response
Nick is exactly right - when I saw the e-mail, I was ready to jump in to the thread and talk about hardware limitations, but he's already found and documented them! 802.11w uses AES in CMAC mode, so it's not just a matter of having the AES block on the chip; you also need to have the CMAC mode support as well. In other words, I wouldn't hold my breath waiting for us to add this capability to the older APs.

And, just for the heck of it: 802.11w refers to the capability as management frame protection (MFP); the Wi-Fi Alliance calls it protected management frames (PMF). You would not believe how many problems this causes!