Networking

Adding FortiGate FW to LibreNMS or any NMS

We’re running the Forigate v7 and have been having a hard time getting snmp to work. Typically all you need to do is go into any devices admin console, networking and enable snmp. Here is what worked for us.

Setting up SNMP

Log into your firewall and browse to the page below and make sure SNMP is enabled for the system.

https://your_ip_here:4443/ng/interface
or
System > SNMP
SNMP settings

Now head on over to your interfaces

https://your_ip_here:4443/ng/interface
or
Network > Interfaces

Edit the interface you want and enable SNMP under Administrative Access.

SNMP enabled for Interface

Going back into Librenms let’s force a rediscovery and see what happens.

Fortigate populated page in Librenms

Lot’s more info now!

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Cory Fiala

Technology and outdoor enthusiast. Currently the sole systems administrator for a local K-12 school district with 800+ staff and 5,500+ students. I support windows servers (2012R2-2022), Linux systems (FreeBSD and Ubuntu), along with vSphere (4 node cluster). Total is almost 60 virtual machines and 8 physical servers. This doesn't include my personal homelab.

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