3.1.2.9 Setup 3G/4G Connection Common Configuration
Here you can change common configurations for the 3G/4G WAN interface.
Figure 66 – 3G/4G Connection Common Configuration
Item Notes Description
Connection
Control
Default setting: Auto-
reconnect
When Auto-reconnect is selected, the router will automatically attempt to re-establish a
connection if it has dropped.
When Connect-on-demand is selected, the router will only attempt to establish a
connection only when detecting data traffic.
When Connect Manually is selected, it means you need to click the Connect button to dial
up the connection manually. Go to Status > Basic Network > WAN & Uplink tab for
details.
Note – This field is available only when Basic Network > WAN > Physical Interface
> Operation Mode is selected to Always on.
Time
Schedule
Mandatory field.
Default setting: (0)
Always
When (0) Always is selected, the selected WAN is in operation all the time. Once you have
set other schedule rules, there are other options to select.
Go to Object Definition > Scheduling for details.
MTU Mandatory field.
Default setting: 0
Specify the MTU (Maximum Transmission Unit) for the 3G/4G connection.
Value Range: 512 - 1500, but 0 is for auto.
NAT Enabled by default. Uncheck the box to disable NAT (Network Address Translation) function.
Network
Monitoring
Optional field.
Enabled by default.
When the Network Monitoring feature is enabled, the gateway will use DNS Query or
ICMP to periodically check if the Internet connection is connected.
Choose either DNS Query or ICMP Checking to detect a WAN link.
With DNS Query, the system checks the connection by sending DNS Query packets to the
destination specified in Target 1 and Target 2.
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