Bug ID 609325: Unsupported DDM F5 SFP modules do not write log message saying DDM is not supported ... Last Modified: Apr 28, 2025 ... Severity: 3-Major ... Symptoms ... 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. ... Impact ... 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 ... None. ... 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