Bug ID 760496: Traffic processing interrupted by PF reset

Last Modified: May 29, 2024

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

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,,,, 14.1.5,,,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,

Fixed In:
17.1.0, 16.1.4, 15.1.9

Opened: Mar 05, 2019

Severity: 4-Minor


CPU usage increases after PF reset. Traffic between client and server is interrupted.


The BIG-IP instance requires a restart after PF reset to resume traffic processing.


-- E710 NICs are used. -- Reset PF.


Restart the BIG-IP device.

Fix Information

A TMSH db variable ve.ndal.exit_on_ue, is introduced to enable/disable device restart on PF reset. On restart, a new error message within /var/log/tmm is written. Error message: "Restarting TMM on unrecoverable error."

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips