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Connection watchdog: This watchdog tests if the active WAN interface is able to connect to the
internet. If not it will trigger the next WAN interface in the priority list.
When it detects that the 3G interface is not able to contact the internet it will trigger the next WAN
interface in the priority list and it will reset or reconnect the WWAN module.
You can find here a flow chart of the
Timed Reset: resets the gateway after a period of time.
Connection Watchdog
Enabled
Set to Yes to enable the connection watchdog and monitor the active WAN interface for data
received.
If no data is received after a certain period of time (= checking interval), the connection watchdog
will:
o Try to lookup the URL/IP addresses
o If activated, try to ping the URL/IP addresses.
o If both actions fail than the next WAN interface in the priority list will be activated. When the
failing WAN interface is the 3G interface than the WWAN module will be reset or try to re-
establish a connection.
Addresses to Check
Specifies the IP addresses or URL's to send a DNS request or PING to if the connection watchdog is
enabled
A maximum of 5 IP addresses or URL's can be specified.
Revision: 1.00
feature.
Copyright 2015 U.S. Robotics Corporation
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