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Cisco Bug: CSCvu22058 - ISE with DUO as External Radius Proxy drops access-reject

Last Modified

Sep 18, 2020

Products (1)

  • Cisco Identity Services Engine

Known Affected Releases

2.4(0.909) 2.7(0.901)

Description (partial)

Symptom:
DUO is integrated with ISE as external radius server. When user does not respond to the DUO push, DUO sends access-reject after timeout configured in DUO. ISE drops this access-reject from DUO & marking DUO as dead after timeout value configured in ISE. Since the server is marked as dead, subsequent authentication requests are dropped for 5 mins.

Conditions:
DUO integrated with ISE as external radius server
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