Digi LR54 User Manual page 112

Interfaces
g. For Add Interface, type WWAN_Private and click .
h. For Interface type, select Modem.
i. For Zone, select External.
j. For Device, select WWAN cellular modem .
This should be the same modem selected for the WWAN_Public WWAN.
k. Enable APN list only.
l. Click to expand APN list > APN.
m. For APN, type the private APN provided to you by your cellular carrier.
5. Create the routing policies. For example, to route all traffic from LAN1 through the public APN,
and LAN2 through the private APN:
LR54 User Guide
Wide Area Networks (WANs)
112