Prestige 1100 Internet Access Router
3.7LANs & 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
LAN IP WAN IP
Prestige
1100
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.
I N T E R N E T
Figure 3-7 LAN & WAN IPs
The following diagram illustrates the Ethernet port as a WAN port.
LAN
LAN 2 | LAN 1 |
INTERNET
Ethernet
Prestige 1 1 0 0
Figure 3-8 Ethernet as WAN port
Internet Access |