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Interfaces
Configure a Wide Area Network (WAN)
Configuring a Wide Area Network (WAN) involves configuring the following items:
Required configuration items
n
A name 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 rules that may be trying to adjust the
interface or routing table entries.
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 DHCP client.
n
Additional configuration items
Active recovery configuration. See
n
failures
for further information.
Additional IPv4 configuration:
n
The type being the way to control how the modem in the Digi device obtains an IP address
l
from the cellular network.
The metric for IPv4 routes associated with the WAN.
l
The relative weight for IPv4 routes associated with the WAN.
l
The IPv4 management priority of the WAN. The active interface with the highest
l
management priority will have its address reported as the preferred contact address for
central management and direct device access.
The IPv4 Maximum Transmission Unit (MTU) of the WAN.
l
When to use DNS: always, never, or only when this interface is the primary default route.
l
When to use DNS servers for this interface.
l
Whether to include the IX40 device's hostname in DHCP requests.
l
n
IPv6 configuration:
The type being the way to control how the modem in the Digi device obtains an IP address
l
from the cellular network.
The metric for IPv6 routes associated with the WAN.
l
The relative weight for IPv6 routes associated with the WAN.
l
The IPv6 management priority of the WAN. The active interface with the highest
l
management priority will have its address reported as the preferred contact address for
central management and direct device access.
The IPv6 Maximum Transmission Unit (MTU) of the WAN.
l
When to use DNS: always, never, or only when this interface is the primary default route.
l
IX40 User Guide
Configure SureLink active recovery to detect WAN/WWAN
Wide Area Networks (WANs)
151
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