Cisco 7975 IP Phone issue with NAC profiler

Unanswered Question
Apr 25th, 2010
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When we connect 7975 phone and connect laptop to that phone then NAC 4.1 is not working i.e. it keeps asking for authentication after successful authentication (using SSO)

Profiler is getting that phone mac-address but still I didn't see any error that why it is in authentication loop and when we connect some other model then it works fine.

Any idea ? I guess that it is related to software compatibility issue with 7975 and profiler/NAC 4.1

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