Bug ID 445571: BIGTCP does not support connection mirroring

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4

Fixed In:
11.6.0, 11.5.1 HF5

Opened: Jan 21, 2014
Severity: 2-Critical
Related AskF5 Article:


Enabling Connection Mirroring on a BIGTCP VIP will cause the TMM on the standby BIG-IP to crash.


Connection mirroring with BIGTCP is unusable.


Requires a pair of BIG-IPs in HA configuration. Enable Connection Mirroring on a BIGTCP VIP. BIGTCP is enabled by configuring a Performance Layer 4 virtual with profiles http, PEM, or classification.



Fix Information

Support Connection Mirroring with BIGTCP.

Behavior Change