Our OpenNMS snmp collections of VIP metrics from F5 devices had worked fine in the past. After we switched to Meridian v2023.1.6, they stopped working. We did not notice this for a few months. Someone noticed 2 Grafana panels on a dashboard were broken.

Our data is stored in a Cassandra newts database.

@Sergio Garcia gave us a modified f5.xml file that solved the problem. Please work this mod into the code base.

This issue is possibly related to this ticket: https://opennms.atlassian.net/browse/NMS-14338

Sergio’s fix was to replace all 5 of these classes:

with the previously used classes:

Initially, I replaced the f5.xml file and used karaf to reload Collectd, but the collections did not start.

Later, our weekly cron job did a full stop/start of opennms, and the F5 VIP metric collections started working.