Bug ID 950253: Source address translation occurs with self IP after NAT policy removal from Virtual Server

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed In:
16.1.0, 15.1.9

Opened: Oct 01, 2020

Severity: 3-Major

Symptoms

Address translation occurs after removal of the NAT Policy from Virtual Server

Impact

Source translation happens with self IP

Conditions

Attach the policy with virtual server and remove it and check the traffic flow

Workaround

Restart tmm: tmsh restart sys service tmm Impact of workaround: restarting tmm disrupts network traffic.

Fix Information

The No Translation flag is reset after policy removal if source address translation is set to None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips