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dirtyoharry
dirtyoharry
New Member
August 30, 2019
Question

Use a single DHCP server

  • August 30, 2019
  • 1 reply
  • 4151 views

Hi! First time posting, I hope i got the right section. 

I am pretty new to Fortigate and firewall in general.

This is my setup:

Fortigate (60E DSLJ) > Fortiswitch 124E (on internal 7) > FortiAP (on a POE port of the switch)

 

Everything works correctly, now i want to setup the DHCP server. They way i figured it works is that the LAN of the fortigate will have his own subnet and dhcp server, the switch will have his own subnet and dhcp server and same thing for the AP aswell. 

 

Is there a way to unify this ? I would like to have everything on 192.168.1.X and use one single interface that handles the DHCP 

for example the LAN interface has the DHCP setup and the switch and AP use the DHCP relay on that interface.

 

For now i tried to use the "Subnet merge" cli command and use the relay but is not working

1 reply

rwpatterson
rwpatterson
New Member
August 30, 2019

Welcome to the forums.

 

If your DHCP server has been correctly configured to hand out IP addresses in those subnets, then simply add a DHCP relay under the DHCP Server area in the firewall. (Change MODE from Server to Relay) Point to the DHCP server (doesn't matter what VLAN) and the requests will be forwarded there. No magic involved. Make sure you do this on every VLAN that isn't the server VLAN.

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