Bug ID 506290: MPI redirected traffic should be sent to HSB ring1

Last Modified: Nov 07, 2022

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

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.3, 11.5.2 HF1

Opened: Feb 12, 2015

Severity: 3-Major


The MPI redirected traffic is the traffic between two TMMs. It is currently sent to HSB ring0. HSB ring0 has small packet buffers and is used to handle the traffic of highest priority. Large amount of MPI redirect traffic can cause packet drops on HSB ring0.


Potential packet drops on HSB ring0.


Large amount of MPI redirect traffic.



Fix Information

Send MPI redirected traffic to HSB ring1, which is correct behavior.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips