Using with ONE LAN interface GATEWAY

Question

Hello, 
 I try@home to migrate from UTM zu SFOS. On the good old UTM there was only one LAN Interface. This was the gateway for some PCs. 
 At the network configuration on the UTM, I configured the real-router-getway as gateway in this one UTM NIC. It has worked. 
 Now at SFOS I cant configure a gateway at the LAN (also only one NIC) interface. 
 What would be the 1:1 configuration for SFOS like the UTM was? 
 best regards 
 michael

apijnappels · Answer

Sure, you could do all that. But I see now you don't want anything to change and are not willing to change LAN Client IP's which may all have static IP's now to have a reservation in the DHCP server so they still have a "fixed" address. 
 We just tried to advise you on a situation that would give better protection and would make better use of the capabilities of the firewall. If that is not what you are looking for then I think in that case Lucar Toni's answer might be your best option.

LuCar Toni · Answer

SFOS follows the principle of Zones. So you can have one interface in one zone. Do you use VLANs? If not, how did you use it with UTM ? Because this opens a lot of routing questions. 
 Essentially you can use it with VLANs easily. 
 If you have only one LAN interface without VLANs, you need to get the routing straight, which can be painful.

LuCar Toni · Answer

SFOS only allows a standard gateway to be placed on a WAN interface. Doing a WAN interface has other implications like device access acls and certain mechanism are not working. Therefore its easy to work with a LAN zone and using 0.0.0.0 route to your GW instead.

Using with ONE LAN interface GATEWAY

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