User's Manual Part 2

48
A D S L M o d e m
M a n u a l
P P P ( P o i n t - t o - P o i n t P r o t o c o l )
A protocol for serial data transmission that is used to c arry IP (and other protoc ol) data
between your ISP and your computer. The WAN interface on the [ Productname] uses two
forms of PPP c alled PPPoA and PPPoE. See also PPPoA, PPPoE .
V C I ( V i r t u a l C h a n n e l I d e n t i f i e r )
Together with the Virtual Path Identifier (VPI), the VCI uniquely identifies a VC. Your ISP will tell
you the VCI for each VC they provide. See also VC .
V P I ( V i r t u a l P a t h I d e n t i f i e r )
Together with the Virtual C ircuit Identifier (VCI), the VPI uniquely identifies a VC. Your IS P will
tell you the VPI for each VC they provide. See also VC .
N A T ( N e t w o r k A d d r e s s T r a n s l a t i o n )
A service performed by many routers that translates your network’ s publicly known IP address
into a private IP address for each computer on your LAN. Only your router and your LAN know
these addresses; the outside world sees only the public IP address when talking to a
computer on your LAN.
W A N ( W i d e A r e a N e t w o r k )
Any network spread over a large geographical area, such as a country or c ontinent. With
respect to the [ Productname] , WAN refers to the Internet.