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Prestige 1100 Internet Access Router
Internet Access 3-11
3.7 LANs & WANs
A LAN (Local Area Network) is a computer network limited to the immediate area, usually the same
building or floor of a building. A WAN (Wide Area Network), on the other hand is an outside connection to
another network or the Internet.
3.7.1 LANs, WANs and the Prestige
The actual physical connection determines whether the Prestige ports are LAN or WAN ports. There are
two separate IP networks, one inside, the LAN network; the other outside, the WAN network as shown
next.
LAN
The interface to the
LAN is Ethernet.
The interface to the
Internet or a remote
node can be any hardware port
including an Ethernet port.
LAN IP WAN IP
Prestige
1100
INTERNET
Figure 3-7 LAN & WAN IPs
The following diagram illustrates the Ethernet port as a WAN port.
LAN
LAN 2 LAN 1
Prestige
1100
Ethernet
INTERNET
Figure 3-8 Ethernet as WAN port