Digi IX40 User Manual page 549

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Services
5. For Hostname, type the hostname or IPv4 address of the external server hosting the WAN
bonding server.
6. (Optional) For Host Port, type the port number that the external server uses for the WAN
bonding connection. The default is 443.
7. For Tunnel username and Tunnel password, type the username and password to
authenticate with the WAN bondingserver. These values are created when you configure
device-specific tunnel settings on the WAN bonding server.
8. For Zone, select the firewall zone for the bonded interface. To treat the interface as a normal
WAN interface, this would be set at the default of External.
9. Configure the device's WAN interfaces that will be bonded:
a. Click to expand Bonding interfaces.
b. Click g to add an interface.
c. For Interfaces, select a WAN interface to be bonded.
Note
By default, IX40 devices prioritize their WAN Ethernet connection over any WWAN
cellular connections. Consider this prioritization if using both wired Ethernet and cellular
Internet connections. Make sure to add the highest priority in-use interface(s) to the WAN
Bonding settings.
d. Enable Bonding Proxy to further optimize standard TCP traffic.
e. For Mode, select the mode that the interface will use:
n
n
n
n
n
n
f. Repeat for additional interfaces.
IX40 User Guide
Automatic: Automatically sets the mode to Cellular Optimized for Speed-mode for
cellular, and Ethernet for non-cellular. This is the default mode.
Cellular Optimized for Speed: A general-purpose configuration suitable for most
lines (4G, DSL, etc), with a fair tolerance for packet loss and latency.
Cellular Optimized for Latency: Another preset for mobile connections with an
even higher focus on latency.
Ethernet: A preset for direct Ethernet connections, very sensitive to latency and
packet loss.
Low Latency: Similar to Ethernet preset, but with higher tolerance for packet loss.
TCP Mode: Utilizes TCP instead of UDP. Higher throughput rate at the cost of
latency. Useful in scenarios where UDP is throttled or blocked.
WAN bonding
549

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