pfSsh.php print_r(get_single_sysctl('system.serial'));

This returns the raw serial string for scripting purposes.

Here’s a helpful overview and reference “paper” (structured guide) regarding — what they are, where to find them, how they’re used, and why they matter.

22.05-RELEASE (amd64) built on Mon Aug 08 18:26:25 UTC 2022 SG3100W123456789

If you kept the original Netgate retail box, the serial number is also printed on the shipping and inventory label on the outside of the box. 4. Retrieve the Serial Number via Boot Logs

The label will typically list the and often the MAC Address . 4. Netgate Device ID vs. Serial Number It is important to distinguish between these two:

The physical hardware ID assigned during manufacturing. This is what you need for warranty claims.

You usually need ethtool or the vendor-specific tool (like cxgbtool for Chelsio).

She never changed the serial number. And the network remained perfect—just perfect enough to make her wonder, every single night, who was really in charge.

23.09-RELEASE (amd64) SG3100X987654321