Bug ID 1920305: Low transactions per second (TPS) observed for CGNAT 44 traffic with DAG

Last Modified: Jul 15, 2026

Affected Product(s):
BIG_IP_NEXT(BNK) BNK(all modules)

Fixed In:
2.2.0

Opened: Apr 03, 2025

Severity: 2-Critical

Symptoms

Low transactions per second observed for the CGNAT 44 traffic with the DAG layer.

Impact

Low transactions per second observed for CGNAT 44 traffic.

Conditions

This issue occurs as the `looseInitiation` field is enabled in the DAG namespace with a high timeout configuration.

Workaround

-- If there is no requirement for inbound connections, F5 recommends setting the `looseInitiation` parameter to false. -- If there is a requirement for inbound connections, F5 recommends to set the `looseInitiation` parameter to true, with a low timeout value such as 2 seconds.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips