Bug ID 508067: Packet drop on 5200 platforms due to delayed MPI communication

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
11.4.0, 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, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9

Opened: Feb 19, 2015
Severity: 3-Major

Symptoms

When incoming traffic is not well distributed and being directed to a single TMM, packets are lost instead of being processed by other TMMs.

Impact

Network traffic might be dropped or delayed.

Conditions

Incoming network traffic on 5200 platforms is not well distributed and being directed to a single TMM, while the other TMMs do not have incoming external traffic.

Workaround

Insert the following line into /config/tmm_init.tcl: realtime busypoll yes

Fix Information

None

Behavior Change