Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP PEM
Known Affected Versions:
11.4.0, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4
Fixed In:
11.6.0, 11.5.1 HF5
Opened: Mar 22, 2014 Severity: 2-Critical
When there is a failover event, there might be chance that sessions may move partially over to new active blade.
for certain IPs which have failed to move to the new active, then a new session create request (radius/traffic) will not create/replace the current session as it is in inconsistent state. Also, policies will not be applied to traffic matching the IP of inconsistent session.
Failover
None
A new PEM session will be created and replace any old existing session in an inconsistent state due to fail-over.