That depends on the switch (that is doning the aaa port-authentication), as in brand, operating system, as well as the configuration.
In most switches you can configure what should happen, like authenticate each individual client, just the first, and what you would like to do with additional clients (allow, reject, put the port in disabled mode).
Also it depends on the switch you connect, and its configuration. It may 'eat' the 802.1X EAPoL frames, or pass it.
Let me be clear that you should not do such a thing, always have the port authentication happen on the port where end-devices are connected.
And to answer your question there are too many variables to provide a simple answer.
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Herman Robers
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If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check
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Original Message:
Sent: Sep 15, 2022 11:40 AM
From: Tony Antony
Subject: AAA port-authentication, other devices
Let's say I have AAA port-authentication enabled on a switch port.
On that port, I connect a Netgear or any other managed switch, then I connect a laptop or AP into the Netgear switch ports.
What will happen?