Quantum SPARK 1500 - Page 99

Managing the Device
R81.10.X Quantum Spark 1500, 1600, 1800, 1900, 2000 Appliances Locally Managed Administration Guide|99
To monitor a connection by DNS probe:
1. In the Connection Monitoring tab, select Monitor connection state by sending probe
packets to one of more servers on the Internet.
Important - In versions R81.10.10 and higher, it is supported to disable
probing in an Internet connection only if you clear the option, "This Internet
connection will be a part of SD-WAN" (on the "Advanced" tab > section "SD-
WAN Settings").
2. For Connection probing method, select DNS probe.
3. Click Apply.
To monitor Cellular connections (internal LTE modem):
Click the Monitor cellular modem link to see this information in the Cellular Modem
Monitoring window:
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Cellular radio
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Cellular modem
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Operator
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SIM cards - Which SIMis active, primary or disabled.