posture during PSN failover

[davguti2@cisco.com]

PSN's are load balanced behind an F5.  When a PSN failover occur's the new PSN initiates new authentication session and a new redirect ACL is sent to the switch.  However, the endpoint posture module never initiates new posture assessment.  The endpoint still shows it self as compliant, but redirect ACL on the switch blocks traffic.

How do you get the posture reassess the endpoint in this scenario?

[chyps · Accepted solution]

Make sure all PSNs in LB cluster are part of some node group. There is a designated "master" that will initiate CoA in event that another PSN in node group had a session in URL-redirect pending state. This should ensure that new session established using new redirect ACL appropriate to current PSN.