Bug ID 2063497: Controllers lose connectivity to blades with stale LACP members in member table

Last Modified: Jul 15, 2026

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

Fixed In:
F5OS v2.0.0

Opened: Sep 18, 2025

Severity: 3-Major

Symptoms

LACP member table has stale members and controllers lose connectivity to blades.

Impact

Controllers lose connectivity to blades and stale LACP members cannot be cleaned up.

Conditions

Issue can happen when the following are performed. - Manually failover the controllers. - Power down active controller. - Reboot active controller. - Physically remove active controller from the chassis.

Workaround

Restart cc-lacpd container on the active controller, or reboot active controller.

Fix Information

Debug log is added to help debugging the issue. Enable cc-lacpd debug log and look for msgid=0x3301000000000050 from velos.log. This debug log prints the cache of current confD member table data.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips