Last Modified: Apr 10, 2019
Affected Product:
See more info
BIG-IP PEM
Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2
Fixed In:
13.0.0, 12.1.2
Opened: Oct 21, 2016
Severity: 2-Critical
tmm crash
Traffic disrupted while tmm restarts.
1. classification hitless upgrade is triggered 2. pending (not saved) changes on any of the virtual servers
None
Change of virtual server configuration triggers new library to be loaded during upgrade which wasn't expected by hitless upgrade mechanism and led to tmm crash. This is fixed in versions starting with 12.1.2.