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Cisco Bug: CSCus04169 - AID leak on 8.0.100.0, flexconnect local switching scenario

Last Modified

Apr 11, 2018

Products (1)

  • Cisco Aironet 3700 Series

Known Affected Releases

7.6(130.228) 8.0(100.0) 8.0(110.13)

Description (partial)

Symptom:
AID leak issue documented in CSCum92822 is still observed in 8.0.100.0 code: 

WLC msglogs:
#LWAPP-3-INVALID_AID2: spam_api.c:1610 Association identifier 10 for client 10:40:f3:2e:0c:c3 is already in use by 18:34:51:b1:aa:82
#LWAPP-3-INVALID_AID2: spam_api.c:1610 Association identifier 4 for client 1c:b0:94:99:ad:4f is already in use by 04:e5:36:06:bf:5d
#LWAPP-3-INVALID_AID2: spam_api.c:1610 Association identifier 9 for client 14:99:e2:62:98:51 is already in use by 3c:43:8e:6e:84:90
#LWAPP-3-INVALID_AID2: spam_api.c:1610 Association identifier 2 for client b8:17:c2:3b:f5:49 is already in use by 04:e5:36:08:fb:0c

Clients may be intermittenly unable to associate.

Conditions:
WLC running 8.0.100.0 
Aps doing flex conenct local switching/ central authentication (WPA2/AES PSK)
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