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active/idle - exposed...meaning?

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AB4YY
active/idle - exposed...meaning?

Using firmware version 2224-4894f42, under  "neighbor status" we see some links the show "active - exposed" or "idle - exposed".  The help file explains active and idle but does not reference "exposed".  What does exposed mean?
Thanks, Mike ab4yy

nc8q
nc8q's picture
What does exposed mean?

https://en.wikipedia.org/wiki/Exposed_node_problem

Short answer: An exposed node hears too much. CSMA prevents it from sending DATA or ACKS due to co-channel occupancy.

I hope this helps, Chuck

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