D-Link DSR-1000N, User Manual

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Unified Services Router User Manual
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Figu re 20: Protocol b in d ing s etup to associate a s ervice and /or LAN
s ou rce to a WA N and /or d es tin ation network
3.5 Routing Configuration
Routing between the LAN and WAN will impact the way this router handles traffic
that is received on any of its physical interfaces. The routing mode of the gateway is
core to the behavior of the traffic flow between the secure LAN and the internet.
3.5.1 Routing Mode
Setup > Internet Settings > Routing Mode
This device supports classical routing, network address translation (NAT), and
transport mode routing.
•
With classical routing, devices on the LAN can be directly accessed from
the internet by their public IP addresses (assuming appropriate firewall
settings). If your ISP has assigned an IP address for each of the computers
that you use, select Classic Routing.
•
NAT is a technique which allows several computers on a LAN to share an
Internet connection. The computers on the LAN use a "private" IP address
range while the WAN port on the router is configured with a single "public"