Bug ID 856953: IPsec: TMM cores after ike-peer switched version from IKEv2 to IKEv1

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
15.1.2,, 15.1.3,, 15.1.4

Fixed In:
16.0.0,,, 13.1.5

Opened: Dec 03, 2019

Severity: 3-Major


In rare circumstances, TMM may core when changing the ike-peer configuration from IKEv2 to IKEv1.


Traffic disrupted while tmm restarts.


- The BIG-IP system is attempting to establish an IKEv2 tunnel. - The related ike-peer config is changed from IKEv2 to IKEv1.


Do not reconfigure the ike-peer configuration while the related IPsec tunnel is attempting to establish.

Fix Information

TMM no longer cores.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips