Bug ID 1409493: PVA dedicated mode connections are not re-accelerated after a failover.

Last Modified: Jun 28, 2024

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

Known Affected Versions:
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,,, 15.1.9,, 15.1.10,,,, 16.1.0, 16.1.1, 16.1.2,,, 16.1.3,,,,,, 16.1.4,,,, 17.1.0,,,, 17.1.1,,,

Opened: Dec 01, 2023

Severity: 3-Major


After a failover, not all PVA-accelerated flows using the dedicated mode may be accelerated on the new peer.


After a failover, some flows may not be accelerated. This would cause higher-than-expected latency for those flows.


HA mirroring on a FastL4 VIP with PVA-acceleration set to "dedicated. sys turboflex profile-config set to "turboflex-low-latency" This type of configuration is commonly used for hardware-optimized FIX low-latency electronic trading traffic.


Delete the affected flows and then cause them to be re-created. Disable HA mirroring.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips