Technical Note: FortiGate - How to see the number free IPs allocated by the internal DHCP server.

[fortega]

Description
This article explains how to see the number of free IPs of an internal DHCP server on a FortiGate.
Solution
When FortiGate assigns an IP to a host from the internal DHCP server it generates an informational log with the ID: 0100026003,

To View the current status of the DHCP allocations on the FortiGate:

- Go to Log & Report > System Events
- Filter the log by: log ID:  0100026003

Click on the log line to view DHCP statistics:

- Interface with the DHCP server.

- Used IPs.

- Total of IPs.