Digi IX20 - Configure a Wide Area Network (WAN)

Interfaces WideArea Networks(WANs)
IX20 User Guide
157
Configure a Wide Area Network (WAN)
Configuring a Wide Area Network (WAN) involvesconfiguring the following items:
Required configuration items
n
Aname for the interface.
Note If the interface name is more than eight characters, the name will be truncated in the
underlying network interface to the first six characters followed by three digits, incrementing
from 000. This affects any custom scripts or firewall rulesthat may be trying to adjust the
interface or routing table entries.
n
The interface type: Ethernet.
n
The firewall zone: External.
n
The network device or bridge that is used by the WAN.
n
Configure the WAN as a DHCPclient.
Additional configuration items
n
Activerecovery configuration. See Configure SureLink activerecovery to detect WAN/WWAN
failuresfor further information.
n
Additional IPv4 configuration:
l
The type being the way to control how the modem in the Digi device obtains an IPaddress
from the cellular network.
l
The metric for IPv4 routesassociated with the WAN.
l
The relative weight for IPv4 routes associated with the WAN.
l
The IPv4 management priority of the WAN. Theactiveinterface with the highest
management priority will have its addressreported as the preferred contact address for
central management and direct device access.
l
The IPv4 Maximum Transmission Unit (MTU) of the WAN.
l
When to use DNS: always, never, or only when this interfaceis the primary default route.
l
When to use DNSservers for this interface.
l
Whether to include the IX20 device's hostname in DHCPrequests.
n
IPv6 configuration:
l
The type being the way to control how the modem in the Digi device obtains an IPaddress
from the cellular network.
l
The metric for IPv6 routesassociated with the WAN.
l
The relative weight for IPv6 routes associated with the WAN.
l
The IPv6 management priority of the WAN. Theactiveinterface with the highest
management priority will have its addressreported as the preferred contact address for
central management and direct device access.
l
The IPv6 Maximum Transmission Unit (MTU) of the WAN.
l
When to use DNS: always, never, or only when this interfaceis the primary default route.