Bug ID 437448: Rate limited pool member might stop accepting traffic under certain conditions

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF9, 11.3.0 HF9, 11.2.1 HF15

Opened: Nov 11, 2013
Severity: 3-Major
Related AskF5 Article:


Pool members may not be able to accept traffic once the rate limit is exceeded, even if it goes below the threshold.


Pool member will no longer accept traffic.


Rate limit set on the pool member and the rate limit is exceeded. This causes the pool member to no longer accept traffic.


Remove the rate limit.

Fix Information

Pool members with rate limits now resume accepting traffic when the rate limit is no longer exceeded.

Behavior Change