Bug ID 813777: Increasing the EIF timeout will cause performance degradations.

Last Modified: Dec 13, 2023

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3

Opened: Aug 09, 2019

Severity: 3-Major

Symptoms

When you set an Endpoint Independent Filter (EIF) timeout under a source translation Dynamic Port Address Translation (PAT) object to greater than the default of 3 seconds, the network performance will be impacted. The amount of degradation depends on how large the timeout is.

Impact

Impact on AFM NAT performance.

Conditions

Configure EIF timeout to be greater than the 3-second default value under source translation Dynamic PAT object.

Workaround

Configure EIF timeout to 3 seconds.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips