Bug ID 609325: Unsupported DDM F5 SFP modules do not write log message saying DDM is not supported

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1

Fixed In:
12.1.1 HF2

Opened: Aug 05, 2016
Severity: 3-Major


QSFP modules that do not support DDM (Digital Diagnostic Monitoring), write messages to /var/log/ltm indicating DDM is not supported, however, there are certain unsupported DDM F5-branded SFP modules that do not write a message to the log.


DDM is not reporting information for the following optics: Unsupported DDM 1Gb-10GB SFP modules: OPT-0004 OPT-0007 OPT-0011 OPT-0015 OPT-0051 OPT-0033


Upon inserting the unsupported DDM SFP modules.



Fix Information

All DDM SFP 1Gb-10GB modules now log in /var/log/ltm that DDM is not supported with that optical transceiver.

Behavior Change