the router that is the gateway to Internet.
#: Item number
Dest IP: IP address of the destination network
Mask: The destination mask address.
Gateway IP: IP address of the gateway or existing interface that this route uses.
Metric: It represents the cost of transmission for routing purposes. The number need not be precise, but it must be between 1 and 15.
Device: Media/channel selected to append the route.
Use: Counter for access times.
Edit: Edit the route; this icon is not shown for system default route. 
Drop: Drop the route; this icon is not shown for system default route.
ADD Route
Destination IP Address: This is the destination subnet IP address.
IP Subnet Mask: It is the destination IP addresses based on above destination subnet IP 
Gateway IP Address: This is the gateway IP address to which packets are to be
forwarded.
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