Bug ID 671052: AFM NAT security RST the traffic with (FW NAT) dst_trans failed

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP AFM, TMOS(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:

Opened: Jun 26, 2017

Severity: 2-Critical

Related Article: K50324413


In certain cases, destination translation fails with the following message: reset cause '(FW NAT) dst_trans failed'.


Destination translation failure. In most of the cases, TMM restart resolves the issue. Traffic disrupted while tmm restarts.


This issue may be seen with Source/Destination translation.



Fix Information

Fix addresses a case where one of the fields was not initialized.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips