Bug ID 896473: Duplicate internal connections can tear down the wrong connection

Last Modified: Sep 14, 2023

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

Known Affected Versions:
14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1

Fixed In:
16.0.0, 15.1.3

Opened: Apr 06, 2020

Severity: 3-Major

Symptoms

Handling of duplicate internal connections can tear down and clean up the newest connection. Instead it should always remove the oldest.

Impact

The cleanup of previous connections may incorrectly tear down the new connection. Error messages are reported in the log when this happens, for example: Duplicate connections between BCM56XXD1 and stpd7749-2. Closing the new one.

Conditions

When internal connections are re-established.

Workaround

None.

Fix Information

The system now always removes the oldest connection.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips