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.

Some details of the static routing tab will not be considered in this example, if you want more information, see this page.

Below are the UTM B interface configurations:

Network - Static Routing

Router 4

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".

Note that in the IP / Destination Network and Destination Gateway fields, the listed objects are of the unique type, so it is necessary to create them in advance. If this is not done, they will not appear in the list. For more information on how to create an IP-type object, see this page.

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:

Router 5

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.

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