Bug ID 1575093: Higher latency in R2K/4K appliances compared to iSeries appliances

Last Modified: Oct 19, 2025

Affected Product(s):
F5OS F5OS-A(all modules)

Known Affected Versions:
F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3, F5OS-A 1.5.4, F5OS-A 1.7.0, F5OS-A 1.8.0

Fixed In:
F5OS-A 1.8.3

Opened: Apr 02, 2024

Severity: 4-Minor

Symptoms

Higher latency in R2K/4K compared to iSeries iSeries: avr 120us / max 5,700us r2600: avr 1,207us / max 62,706us

Impact

Latency in time sensitive apps and increase web loading time.

Conditions

Client RTT fluctuates between 430us and as high as 1941us, whilst server reported latency between 17ms and 40ms

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips