Bug ID 569316: Core occurs on standby in MRF when routing to a route using a transport config

Last Modified: Aug 19, 2026

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

Known Affected Versions:
12.1.1, 12.1.1 hf1, 12.1.1 hf2, 12.1.2, 12.1.2 hf1, 12.1.2 hf2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Fixed In:
13.0.0

Opened: Jan 22, 2016

Severity: 2-Critical

Symptoms

If routing a message to a route that uses a transport-config to define how to create an outgoing connection, the standby device will core.

Impact

The standby device will core.

Conditions

routing a message to a route that uses a transport-config to define how to create an outgoing connection.

Workaround

NA

Fix Information

Fix properly initializes a field on the standby.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips