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piitre
New Member
January 13, 2026
Question

install fortinet - gns3

  • January 13, 2026
  • 2 replies
  • 282 views

 

It's really exhausting dealing with Fortinet on GNS3. I've watched 80,000 YouTube videos, but none of them work; it always asks me for a license. In FortiCloud, in my Asset Management section:

Registration Code.

Enter your product serial number, service agreement registration code, license certificate number, or asset transfer token to start registration: Where can I get the serial number?

2 replies

Jean-Philippe_P
Staff & Editor
Staff & Editor
January 16, 2026

Hello piitre, 

 

Thank you for using the Community Forum. I will seek to get you an answer or help. We will reply to this thread with an update as soon as possible. 

Jean-Philippe - Fortinet Community Team
joshbergm
Explorer
January 16, 2026

Hi,

 

Serial number can be found in the startup console in GNS3, connect to the "Serial Console"

Make sure to use the KVM image for GNS3.

 

For a trial license, contact your Account Manager

ebilcari
Staff
Staff
January 25, 2026

You can also get a permanent trial license like shown here: Permanent trial mode for FortiGate-VM

Emirjon