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Cisco Bug: CSCus17191 - AP 1142 DHCP renew delay after Eap-Fast authentication

Last Modified

Aug 31, 2016

Products (1)

  • Cisco Aironet 3700 Series

Known Affected Releases

8.0(100.0)

Description (partial)

Symptom:
AP 1142 configured for wired  dot1x authentication is  taking many minutes after EAP-Fast authentication before doing DHCP Renew.
this issue can be seen  where Guest VLAN is configured on the Switch port
which cause delay in AP refreshing the ip address after being authorized to the production VLAN

Conditions:
AP 1142 dot1x,  Eap-Fast Configured 
AP assigned to different VLAN before successfull authentication
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