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Cisco Bug: CSCtb94202 - Switch detecting PoE even with nothing connected to port

Last Modified

Sep 04, 2014

Products (1)

  • Cisco Catalyst 3750 Series Switches

Known Affected Releases


Description (partial)


Customer has multiple stacks of WS-C3750-48P switches running 12.2(46)SE with no PoE devices but he keeps on getting following message randomly on his switches:
%ILPOWER-5-INVALID_IEEE_CLASS: Interface Fa4/0/17: has detected invalid IEEE class: 7device. Power denied (CSB-2SE-4)
He has noticed it on ports connected to normal PCs and even ports not
connected to anything.


3750 Switch Stack running 12.2(44)SE
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