Bug ID 445571: BIGTCP does not support connection mirroring

Last Modified: Jul 18, 2026

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed In:
11.6.0

Opened: Jan 21, 2014

Severity: 2-Critical

Related Article: K16368

Symptoms

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

Impact

Connection mirroring with BIGTCP is unusable.

Conditions

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.

Workaround

None

Fix Information

Support Connection Mirroring with BIGTCP.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips