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Cisco Bug: CSCvv43772 - 9120 does not complete PEAP authentication for Apple clients.

Last Modified

Sep 11, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

ap-16.12.3.13 ap-16.12.4.31

Description (partial)

Symptom:
On the authentication server we are able to see the client timing out or "Endpoint abandoned the session" log.
The controller reports EAPOL start, request / response but no further than that. 
In the packet capture, we are able to to see in capwap the EAP-PEAP request leaving controller / arriving AP, but when compared to the logs on the AP ( client traces) , there is no evidence on that packet. 
A loop is observed with the following logs : 
Aug 14 18:52:04 kernel: [*08/14/2020 18:52:04.0900] [1597431124: 90657] [Hope-9120-TEST] [b8:5d:0a:8b:47:f2] <apr1v1> [U:W] EAPOL_START
Aug 14 18:52:04 kernel: [*08/14/2020 18:52:04.0920] [1597431124: 92885] [Hope-9120-TEST] [b8:5d:0a:8b:47:f2] <apr1v1> [D:W] EAP_PACKET.Request : Id 0x01 type 1 Identity
Aug 14 18:52:04 kernel: [*08/14/2020 18:52:04.0960] [1597431124: 97158] [Hope-9120-TEST] [b8:5d:0a:8b:47:f2] <apr1v1> [U:W] EAP_PACKET.Response : Id 0x01 type 1 Identity
Aug

Conditions:
9800 controller running 16.12.3 or 16.12.4
Apple devices running latest version ( 13.6.1 )
Aruba Clearpass as authentication server
9120 AP
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