plugin_evidence for Cacti

February 16, 2026 · View on GitHub

Evidence plugin can be useful when you need to find serial number, firmware change,

or problematic firmware. Plugin can collect information about:

Entity MIB - serial numbers, part numbers, version, firmware, ...
MAC addresses
IP addresses
vendor specific information

The plugin also stores history and can notify you when a change occurs.

Author

Based on SNVer plugin 0.6

Copy directory plugin_evidence to plugins directory (keep lowercase) Check file permission (Linux/unix - readable for www server) Enable plugin (Console -> Plugin management) Configure plugin (Console -> Settings -> Evidence tab

How to use?

You will see information about serial numbers and version on each supported device You can use the Evidence tab or link on edit device page

Upgrade

Copy and rewrite files Check file permission (Linux/unix - readable for www server) Disable and deinstall old version (Console -> Plugin management) Import ent.sql (described in data/README.md) Install and enable new version (Console -> Plugin management)

Possible Bugs or any ideas?

If you find a problem, let me know via github or https://forums.cacti.net

Changelog

--- 0.3 ---

Add generic snmp info

--- 0.2 ---

Better data display

--- 0.1 ---

Beginning