Bug ID 2048049: Chassis control-plan LAG interface presence/status may be incorrect after failover

Last Modified: Oct 21, 2026

Affected Product(s):
F5OS Velos(all modules)

Known Affected Versions:
F5OS-C 1.8.2, F5OS-C 1.8.2-HR1, F5OS-C 1.8.2-HR2, F5OS-C 1.8.2-HR3

Fixed In:
F5OS v2.0.0

Opened: Sep 08, 2025

Severity: 3-Major

Symptoms

Chassis system controller "show lacp interfaces interface" show interfaces present on the standby controller when the standby is not present and/or powered-off.

Impact

LAG member mismatch may cause blade control-plane connectivity problems.

Conditions

LAG interface state is not always properly propagated when a controller transitions to 'standby'. If that standby controller becomes 'active' prior to update, the data persists.

Workaround

Reboot the active controller.

Fix Information

Operational data is properly synchronized across active/standby transitions.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips