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Cisco Bug: CSCul06939 - ACS 5.x LDAP auth fails when using DNS srv name and 1st DNS is down

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Secure Access Control Server Solution Engine

Known Affected Releases

5.3(0.40.9) 5.4(0.46.4)

Description (partial) 

Symptom:
ACS 5.x (confirmed 5.3p9 and 5.4p4) is timing out LDAP authentication

Conditions:
- multiple Access-Requests come at the same time
- first DNS in the list (ip name-server) is down and not responding
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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