Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP PEM
Known Affected Versions:
12.1.0, 12.1.1
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.