Bug ID 871981: TMM crashes due to invalid internal packets

Last Modified: Oct 20, 2021

Bug Tracker

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4, 16.0.0,, 16.0.1,,, 16.1.0

Opened: Jan 22, 2020
Severity: 3-Major


TMM can crash if it receives invalid internal packets. This is reported in the TMM logs as: MPI stream: connection to node n.n.n.n expired for reason: Internal error (bad magic). Or in the LTM log file as: Cluster error: corrupted MPI header, aborting connection.


TMM crashes. Manual intervention is usually required by restarting the blade/device. Traffic disrupted while tmm restarts.


The cause of the issue is unknown.



Fix Information


Behavior Change