Bug ID 945997: LTM policy applied to HTTP/2 traffic may crash TMM

Last Modified: Jan 04, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 16.0.0,, 16.0.1,

Fixed In:
16.1.0,, 15.1.4,

Opened: Sep 16, 2020
Severity: 2-Critical


When an LTM policy is applied to HTTP/2 traffic and refers to TCL expression(s), TMM may crash.


Traffic disrupted while tmm restarts.


-- A virtual is configured with http and http2 profiles. -- An LTM policy is published and refers to TCL expression(s). -- The policy is attached to the virtual server.



Fix Information

BIG-IP properly processes LTM policy with TCL expression(s) when it is applied to a virtual handling HTTP/2 traffic.

Behavior Change