Hi Nicolas, I found the issue in my WLC version. Unfortunatelly mobility 
express controller with version < 8.7 have the CoA support broken (Cisco TAC 
verified).

Enrico

On 18/09/19 15:27, Nicolas Quiniou-Briand via PacketFence-users wrote:

Hello Enrico,

First, CoA Messages and Disconnect-Messages are different, see RFC5176
[1] but they use same port 3799. In some cases 1700.

Based on this:



*radiusRFC3576TransportThread: Sep 10 14:47:42.312: RFC3576 - Received IP 
Address : WLC_IP, Vlan ID: (received 0), management IP WLC_IP
*radiusRFC3576TransportThread: Sep 10 14:47:42.312: Handling a valid 'RFC-3576 
Disconnect-Request' regarding station 18:1d:ea:5d:4b:d9
*radiusRFC3576TransportThread: Sep 10 14:47:42.312: Sent a RFC3576 message 
'RFC-3576 Disconnect-Ack' to PacketFence_IP:(port:46269)



Your device has been disconnected using a Disconnect-Message, not a
CoA-Message. So WLC will send a new RADIUS request and PacketFence
should return a new role.

Take a look at packetfence.log when a device is trying to register.

[1] https://tools.ietf.org/html/rfc5176#section-2



--
Enrico Pasqualotto

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