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Interfaces
In this example configuration, SureLink is used over for the ETH1 interface to send a probe packet of
size 256 bytes to the IP host 43.66.93.111 every 10 seconds. If there are three consecutive failed
responses, the IX20 device brings the ETH1 interface down and starts using the Modem interface. It
continues to regularly test the connection to ETH1, and when tests on ETH1 succeed, the device falls
back to ETH1.
To achieve this WAN failover from the ETH1 to the Modem interface, the WAN failover configuration is:
WebUI
1. Log into the IX20 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Configure active recovery on ETH1:
a. Click Network > Interface > ETH1 > IPv4 > SureLink.
b. For Interval, type 10s.
c. Click to expand Test targets.
d. Delete the existing test targets:
Click the menu icon (...) next to each target and select Delete.
IX20 User Guide
Wide Area Networks (WANs)
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