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

Last Modified: Oct 16, 2020

Bug Tracker

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

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,

Fixed In:

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