As in the previous step, the procedures that we will do here will be identical to the ones we did at UTM A, but referring to UTM B.
After configuring the interfaces, follow the steps below:
Still in Settings, in the Network option:
Settings - Network
Click on the Static Routing tab:
Static Routing Tab
In this step, we will configure each static route using the IP of UTM A as the destination, determining the routers as the gateway and placing all of them in the same administrative distance. In this way, Static Routing will load balance using the source IP of the connection as a base.
Below are the UTM B interface configurations:
Network - Static Routing
Click  to create a new route. The following window will appear:
Static Routing - Add Route
- Description: To organize, we will name the descriptions of all the interfaces that we will use "LAN UTM A" and we will determine which IP range the route will use "via Network 100";
- Interface: Define the same interface that was used to configure the link with the router, in this case it will be "eth2";
- IP/Destination Network: Configure using the UTM A IP as a destination;
- Destination Gateway: Determine the router as the destination gateway, in this case we will use "Router 4";
- Distance: Defines the administrative distance, note that all routers need to use the same value, in this example, we will use the distance "10".
When finished, the static route must be configured in this way:
Static Routing - Add Route - Router 4
To finish the settings, click .
This completes the configuration of the UTM 4 router static route. Follow the same steps to configure the other routers:
Below, an image demonstrating how the UTM 5 Router should be configured:
Static Routing - Add Route - Router 5
This finalizes the configuration of the static routes in UTM B, the last step is to validate all the configurations that we have made.