During April 2025, contributed to the librenms/librenms repository by resolving a critical issue in Equallogic sensor discovery, which previously caused crashes due to improper handling of the '$extra' variable. The solution involved updating the discovery logic to utilize snmp_get_multi for retrieving power and cooling module data, ensuring more robust SNMP data processing. To prevent future regressions, comprehensive unit test data was added to cover this edge case, enhancing overall test coverage. This work, implemented in PHP and focused on backend development and system monitoring, improved the reliability and accuracy of Equallogic deployment monitoring while reducing discovery downtime and data inconsistencies.