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6381-A2-GB23-10 January 2005 1-1
1
Introduction
Definitions
Before you install or use your new router, you may find it helpful to understand the
following terms:
A bridge is a device that forwards any message from one part of a network to
another.
A router is a device that forwards messages according to their network
addresses.
ADSL is Asymmetric Digital Subscriber Line, a version of DSL that allows a
higher speed for information coming from the Internet to your PC
(“downstream”) than it does for information going to the Internet from your PC
(“upstream”).
ReachDSL is a version of DSL that works on lines too long or too noisy for
ADSL.
ADSL/R is technology that combines ADSL and ReachDSL in one device.
The Model 6381 is a Digital Subscriber Line (DSL) modem that may be set by you
to run in bridge or router mode. Because it is most frequently used as a router, that
is how it is referred to in this manual. It supports ADSL/R.
Features of the 6381 Router
Your router has the following features:
Support for ADSL2+ and ReachDSL (ADSL/R)
10/100BaseT Ethernet port
USB port
The ability to connect multiple PCs to the Internet with just one WAN IP
Address (when configured in router mode with NAT enabled)
A user-friendly web interface for configuration and monitoring
Single-session IPSec and PPTP passthrough for Virtual Private Network
(VPN)