Bug ID 475985: Connections may not be removed from the PVA connection table when handled by a FastL4 profile, and PVA acceleration is set to guaranteed.

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
11.4.1

Opened: Aug 18, 2014
Severity: 3-Major
Related AskF5 Article:
K16151

Symptoms

Connections that have reached idle timeout may not be removed from the PVA connection table when handled by a FastL4 profile, and PVA acceleration is set to guaranteed.

Impact

BIG-IP system performance may degrade over time. Connections may fail intermittently. The system might post a message similar to the following in /var/log/ltm: err tmm4[9876]: 01230140:3: RST sent from 192.168.1.1:123 to 192.168.1.100:80, [0x189670e:1420] TCP 3WHS rejected

Conditions

This issue occurs when all of the following conditions are met: -- You have a Performance Layer 4 profile (FastL4) configured. -- You have set the global db variable pva.acceleration to guaranteed.

Workaround

Run the following commands: -- echo "EPVA::enable_fix_reset 1" >> /config/tmm_init.tcl. -- bigstart restart.

Fix Information

None

Behavior Change