Last Modified: Mar 23, 2026
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5
Opened: Mar 20, 2026 Severity: 2-Critical
Tmm crashes repeatedly during failover
Traffic disrupted while tmm restarts.
-- ASM Provisioned and IP Intelligence licensed -- HA Failover occurs -- IP Intelligence Policy modified or removed.
During normal active / standby operation, do not modify the ip-intelligence-policy configuration in the virtual server unless required. If a configuration change is required for a virtual server that is associated with an IP Intelligence policy, perform the change in a maintenance window and restart tmm and dwbld to ensure the stale classifier is removed from tmm.
None