Interfaces WideArea Networks(WANs)
IX20 User Guide
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For example, to set Delayed start to ten minutes, enter 10m or 600s.
The default is 300 seconds.
c. For Backoff interval, typethe time to add to the test interval when restarting the list of
actions. This option is capped at 15 minutes.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format number{w|d|h|m|s}.
For example, to set Backoff interval to ten minutes, enter 10m or 600s.
The default is 300 seconds.
d. Test interface gateway by pingingis used by the Interface gateway Ping test as the
endpoint for traceroute to use to determine the interface gateway. The default is 8.8.8.8,
and should only be changed if this IPaddressis not accessible due to networking issues.
13. Click Apply to save the configuration and apply the change.
Command line
1. Select the device in Remote Manager and click Actions> Open Console, or log into the IX20
local command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to accessthe Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Create a new WAN or WWAN, or edit an existing one:
n
To create a new WAN or WWAN, see Configure a Wide Area Network (WAN) or Configure
a WirelessWide Area Network (WWAN).
n
To edit an existing WAN or WWAN, change to the WAN or WWAN's node in the
configuration schema. For example, for a WAN or WWAN named my_wan, change to the
my_wan node in the configuration schema:
(config)> network interface my_wan
(config network interface my_wan)>
4. Enable SureLink.
By default, SureLink isenabled for the preconfigured WAN (eth1) and WWAN (modemwwan2).
The default configuration tests the DNSservers configured for the interface.
When SureLink is configured for Wireless WANs, SureLink tests are only run if the cellular
modem is connected and hasan IPaddress. Use the SIM failover optionsto configure the IX20
device to automatically recover the modem in the event that it cannot obtain an IPaddress.
See Configure a Wireless Wide Area Network (WWAN) for details about SIM failover.
(config network interface my_wan)> surelink enable true
(config network interface my_wan)>
5. By default, the Test DNS serversconfigured for thisinterface test isautomatically
configured and enabled. Thistests communication with DNSservers that are either provided
by DHCP, or statically configured for this interface.
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