Bug ID 1314453: Datapath is broken when LAG type is changed from LACP to Static on r2000/r4000 platforms

Last Modified: Jul 03, 2025

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

Known Affected Versions:
F5OS-A 1.5.0, F5OS-C 1.6.0, F5OS-C 1.6.1, F5OS-C 1.6.2

Fixed In:
F5OS-C 1.8.0, F5OS-A 1.7.0, F5OS-A 1.5.2, F5OS-A 1.5.1

Opened: Jun 28, 2023

Severity: 1-Blocking

Symptoms

After changing the LAG type to Static, the datapath on the BIG-IP tenant starts failing and the BIG-IP tenant reports the LAG is DOWN.

Impact

Datapath is completely broken while using the LAG configured.

Conditions

-- r2000 and r4000 platform -- The LAG type is changed from LACP to Static.

Workaround

Bring the members of the LAG DOWN and back to UP: interfaces interface <ifc name> config admin disable interfaces interface <ifc name> config admin enable

Fix Information

Datapath no longer breaks when changing the LAG type from LACP.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips