ZyXEL Communications VMG1312-B Series - What You Need to Know

Chapter 6 Broadband
VMG1312-B Series User’s Guide
84
• Use the Advan ce d screen to enable or disable PTM over ADSL, Annex M/ Annex J, and DSL PhyR
funct ions (
Section 6.4 on page 98) .
• Use the 8 0 2 1 x screen to view and configure the I EEE 802.1x set tings on the Device (
Section 6.5
on page 99
) .
6.1.2 What You Need to Know
The following t erm s and concept s m ay help as you read this chapt er.
Encapsulation Method
Encapsulat ion is used t o include data from an upper layer protocol int o a lower layer protocol. To set
up a WAN connection to the I nt ernet , you need t o use t he sam e encapsulat ion m ethod used by your
I SP (I nt ernet Service Provider) . I f your I SP offers a dial- up I nternet connection using PPPoE (PPP
over Et hernet) , t hey should also provide a usernam e and password ( and service nam e) for user
aut hent icat ion.
WAN IP Address
The WAN I P address is an I P address for the Device, which m akes it accessible from an out side
net work. I t is used by t he Device t o com m unicate wit h ot her devices in ot her networks. I t can be
st at ic ( fixed) or dynam ically assigned by t he I SP each t im e the Device tries to access t he I nternet .
I f your I SP assigns you a st at ic WAN I P addr ess, t hey should also assign you t he subnet m ask and
DNS server I P address(es).
ATM
Asynchronous Transfer Mode (ATM) is a WAN networking t echnology that provides high-speed dat a
transfer. ATM uses fixed-size packet s of inform at ion called cells. With ATM, a high QoS ( Quality of
Table 6 WAN Set up Overview
LAYER-2 INTERFACE INTERNET CONNECTION
CONNECTION
DSL LINK
TYPE
MODE ENCAPSULATION CONNECTION SETTINGS
ADSL/ VDSL
over PTM
N/ A Routing PPPoE PPP inform at ion, I Pv4/ I Pv6 I P
address, rout ing feature, DNS
server, VLAN, QoS, and MTU
I PoE I Pv4/ I Pv 6 I P address, rout ing
featur e, DNS server, VLAN, QoS,
and MTU
Bridge N/ A VLAN and QoS
ADSL over ATM EoA Routing PPPoE/ PPP0A ATM PCV configurat ion, PPP
inform at ion, I Pv4/ I Pv6 I P address,
rout ing feat ure, DNS server, VLAN,
QoS, and MTU
I PoE/ I PoA ATM PCV configuration, I Pv4/ I Pv6
I P address, rout ing feat ure, DNS
server, VLAN, QoS, and MTU
Bridge N/ A ATM PCV configurat ion, and QoS