Bug ID 815001: TMM Crash with inbound traffic during high availability (HA) failover

Last Modified: Jun 30, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP AFM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3, 15.0.0, 15.0.1,,,,

Fixed In:

Opened: Aug 14, 2019
Severity: 2-Critical


New standby device's tmm crashes and generates a core after high availability (HA) failover.


New standby device's tmm may crash. Traffic disrupted while tmm restarts.


1. Enable inbound mode Endpoint Independent Filtering (EIF) in the source translation object. 2. Outbound traffic hits the source translation creating inbound entries. 3. Inbound traffic matches the inbound entry, and this connection stays alive. 4. high availability (HA) failover occurs. 5. Inbound connection closes, and the connection free comes from the BIG-IP system.



Fix Information

TMM no longer crashes with inbound traffic during high availability (HA) failover.

Behavior Change