Bug ID 2162849: Removing the active controller does not trigger an immediate tenant failover

Last Modified: Jan 19, 2026

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

Known Affected Versions:
17.5.1.3

Opened: Nov 27, 2025

Severity: 2-Critical

Symptoms

On a setup where BIG-IP tenant is active for a traffic group and is running on a VELOS chassis, and HA score configured with a weightage for F5OS_INTERNAL_TRUNK , pullinf out the active controller does not trigger an immediate failover

Impact

Tenant failover is delayed upto 4min when an active controller of the active tenant is pulled out .

Conditions

1)Tenant is active for a traffic group and is running on a controller that is active for the partition on which the tenant is running 2) Active system controller is removed or powered off using AOM

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips