Bug ID 680145: HA mirroring for flows without autolasthop cause a crash on the standby

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0

Opened: Aug 25, 2017
Severity: 3-Major
Related AskF5 Article:
K82484604

Symptoms

There is a tmm crash on a standby unit in a high availability (HA) configuration when fastL4 mirroring is configured and autolasthop is disabled.

Impact

tmm restarts on a standby device. No traffic is disrupted while tmm restarts on a standby device.

Conditions

FastL4 mirroring for flows without a lasthop, i.e. disabled autolasthop on the virtual server.

Workaround

Enable autolasthop.

Fix Information

tmm no longer restarts on a standby when fastL4 mirroring is configured and autolasthop is disabled.

Behavior Change