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

Last Modified: Sep 13, 2023

Affected Product(s):
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, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips