User's Manual
64
NetComm Wireless 3G Light Industrial M2M Route
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4.
In the Profile name, enter a profile name for the tunnel. This may be anything you like and is used to identify the tunnel on the router.
5.
In the GRE server address field, enter the IP address of the GRE server.
6.
In the Local tunnel address field, enter the IP address you want to assign the tunnel locally.
7.
In the Remote tunnel address field, enter the IP address you want to assign to the remote tunnel.
8.
In the Remote network address field, enter the IP address scheme of the remote network.
9.
In the Remote network subnetmask field, enter the subnet mask of the remote network.
10.
The TTL (Time To Live) field is an 8-bit field used to remove an undeliverable data packet from a network to avoid unnecessary network traffic across the internet. The default value
of 255 is the upper limit on the time that an IP datagram can exist. The value is reduced by at least one for each hop the data packet takes to the next router on the route to the
datagram’s destination. If the TTL field reaches zero before the datagram arrives at its destination the data packet is discarded and an error message is sent back to the sender.
11.
The Verbose logging option sets the router to output detailed logs regarding the GRE tunnel in the System Log section of the router interface.
12.
The Reconnect delay is the time in seconds that the router will wait before attempting to connect to the GRE server in the event that the connection is broken. The minimum time to
wait is 30 seconds so as to not flood the GRE server with connection requests, while the maximum time to wait is 65335 seconds.
13.
The Reconnect retries is the number of connection attempts that the router will make in the event that the GRE connection goes down. If set to 0, the router will retry the connection
indefinitely, otherwise the maximum number of times to retry cannot be greater than 65335.
14.
Click the Save button to save the changes. The VPN will attempt to connect after your click Save. Click the Status button at the top left of the interface to return to the status window
and monitor the VPN’s connection state.