Bug ID 932285: Tmm core is seen after multiple failover/ failback with lots of tunnels.

Last Modified: Nov 22, 2021

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed In:
16.1.0

Opened: Jul 29, 2020
Severity: 2-Critical

Symptoms

When IPsec tunnel count is high (~300), a tmm core is generated after multiple failover.

Impact

Traffic disrupted while tmm restarts.

Conditions

Multiple failovers occur on BIG-IP systems with lots of IPsec tunnels.

Workaround

None

Fix Information

Fixed a tmm crash related to IPsec tunnels and repeated failover.

Behavior Change