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Dial on Demand
The dial on demand feature keeps the Packet Data Protocol (PDP) context deactivated by default while making it appear to
locally connected devices that the router has a permanent connection to the mobile broadband network. When a packet of
interest arrives or an SMS wake-up command is received, the router attempts to establish a mobile broadband data connection.
When the data connection is established, the router monitors traffic and terminates the link when it is idle.
Note: When interesting packets arrive, the recovery time for the wireless WAN connection is approximately 20-30
seconds.
Configuring Dial on Demand
To configure Connect on demand:
1. Click the Internet menu item from the top menu bar.
2. On the Dial on Demand page, click the Dial on Demand toggle key so that it is ON.
Figure 23 - Connect on demand configuration options
3. If you have more than one active connection profile, use the Select profile drop down list to select the profile for which
you want to configure the Connect on demand feature.
Setting the router to dial a connection when traffic is detected on specific ports
In some situations, you may wish to have the internet connection disabled except at times when outbound traffic to a particular
external host’s port or range of ports is sent to the router. To use this feature, click Enable dial port filter and enter the port
number or list of port numbers separated by commas. When you select this option, all outbound ICMP/TCP/UDP packets to any
remote host on the specified port(s) will trigger the connection to dial. Note that when this feature is enabled, the options to
ignore specific packet types are not available.
Figure 24 – Dial on demand - Data activity triggered connection
You can allow Microsoft network awareness (NCSI) traffic through but if you prefer that they do not trigger the connection, click
the Ignore Microsoft network awareness (NCSI) traffic toggle key to set it to ON.
Figure 25 - DIal on demand - Ignore NCSI traffic
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