Bug ID 1620077: FDB entry port motion not working if new interface is a trunk/LAG

Last Modified: Apr 19, 2025

Affected Product(s):
F5OS F5OS-A, F5OS-C(all modules)

Known Affected Versions:
F5OS-A 1.5.0, F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.7.0, F5OS-A 1.8.0

Fixed In:
F5OS-C 1.8.0, F5OS-A 1.5.3

Opened: Jul 23, 2024

Severity: 2-Critical

Symptoms

Immediately after a fail-over of traffic from one trunk/LAG to another, outbound traffic from the appliance or chassis to certain addresses may be interrupted for up to five minutes before recovering.

Impact

Temporary disruption of tenant’s outbound traffic on an appliance or chassis system.

Conditions

Switching traffic from one LAG to another on an appliance or chassis.

Workaround

None

Fix Information

Updated handling of FDB entry port motion to include cases with a trunk/LAG as the new interface.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips