Digi IX40 User Manual page 317

Routing
d. Click to expand Config.
Local Web UI:
a. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Create new firewall zones:
a. Create a firewall zone named CellularWAN with Source NAT enabled:
i. Click Firewall > Zones.
ii. For Add Zone, type CellularWAN and click g .
iii. Enable Source NAT.
b. Create second firewall zone named EthernetWAN with Source NAT enabled:
i. For Add Zone, type EthernetWAN and click g .
ii. Enable Source NAT.
4. Configure the WAN interfaces to use the new zones:
a. Configure the cellular WAN interface:
i. Click Network > Interfaces > .
ii. For Zone, select CellularWAN.
b. Configure the Ethernet WAN interface:
i. Click Network > Interfaces > .
ii. For Zone, select EthernetWAN.
5. Configure the policy-based route for traffic from the client device that will be sent over the
cellular WAN:
IX40 User Guide
IP routing
317