Reference Guide for the Model MR314 Cable/DSL Wireless Router
1-4 Introduction
• PCs Hidden by NAT
Network address translation (NAT) opens a temporary path to the Internet for requests
originating from the local network. Requests originating from outside the LAN are discarded,
preventing users outside the LAN from finding and directly accessing the PCs on the LAN.
• Port Forwarding with NAT
Although NAT prevents Internet locations from directly accessing the PCs on the LAN, the
router allows you to direct incoming traffic to specific PCs based on the service port number
of the incoming request, or to one designated “DMZ” host computer.
• Encryption of the Wireless Link
For security against eavesdropping of the wireless signal, the router supports IEEE 802.11b
standard 64-bit (sometimes referred to as 40-bit) and 128-bit Wired Equivalent Privacy (WEP)
data encryption with Shared Key authentication.
Autosensing 10/100 Ethernet
With its internal, 4-port 10/100 switch, the Model MR314 router can connect to either a 10 Mbps
standard Ethernet network or a 100 Mbps Fast Ethernet network. The local LAN interface is
autosensing and is capable of full-duplex or half-duplex operation.
The Model MR314 router incorporates Auto Uplink
TM
technology. Each LOCAL Ethernet port
will automatically sense whether the Ethernet cable plugged into the port should have a 'normal'
connection (e.g. connecting to a PC) or an 'uplink' connection (e.g. connecting to a router, switch,
or hub). That port will then configure itself to the correct configuration. This feature also
eliminates the need to worry about crossover cables, as Auto Uplink
TM
will accommodate either
type of cable to make the right connection.
TCP/IP
The Model MR314 router supports the Transmission Control Protocol/Internet Protocol (TCP/IP)
and Routing Information Protocol (RIP).
For further information about TCP/IP, refer to Appendix B, “Network and Routing Basics.”
• IP Address Masquerading by Dynamic NAT+
The Model MR314 router allows several networked PCs to share an Internet account using
only a single IP address, which may be statically or dynamically assigned by your Internet
service provider (ISP). This technique, an extension of Network Address Translation (NAT), is
also known as IP address masquerading and allows the use of an inexpensive single-user ISP
account.
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