Dual-WAN configurations Load balancing
Digi EX15 User Guide
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It is important to note that the two SIM slots cannot be leveraged simultaneously for load balancing;
the load must be shared between the cellular modem and the Ethernet connection. The Weight of an
interface establishes its proportional contribution relative to the weight of its complimentary
interface.
For example, setting the Ethernet WAN to a weight of 20 and the Cellular WAN to a weight of 5
establishes a 4:1 ratioāthe Ethernet interface will handle 4 times the amount of data with this
configuration.