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Chapter 5 WAN Setup
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71
Figure 31
Network > WAN >Internet Access Setup (PPPoE)
The following table describes the labels in this screen.
Table 17
Network > WAN > Internet Access Setup
LABEL
DESCRIPTION
Line
Modulation
Select the modulation supported by your ISP.
Use
Multi Mode
if you are not sure which mode to choose from. The ZyXEL
Device dynamically diagnoses the mode supported by the ISP and selects the
best compatible one for your connection.
Other options are
ADSL G.dmt
,
ADSL2
,
ADSL2+
,
ADSL2 AnnexM
,
ADSL2+
AnnexM
,
READSL2 Mode
and
ANSI T1.413
.
General
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Mode
Select
Routing
(default) from the drop-down list box if your ISP gives you one IP
address only and you want multiple computers to share an Internet account.
Select
Bridge
when your ISP provides you more than one IP address and you
want the connected computers to get individual IP address from ISP’s DHCP
server directly. If you select
Bridge
, you cannot use Firewall, DHCP server and
NAT on the ZyXEL Device.
Encapsulation
Select the method of encapsulation used by your ISP from the drop-down list
box. Choices vary depending on the mode you select in the
Mode
field.
If you select
Bridge
in the
Mode
field, select either
PPPoA
or
RFC 1483
.
If you select
Routing
in the
Mode
field, select
PPPoA
,
RFC 1483
,
ENET
ENCAP
or
PPPoE
.
User Name
(PPPoA and PPPoE encapsulation only) Enter the user name exactly as your
ISP assigned. If assigned a name in the form user@domain
where domain
identifies a service name, then enter both components exactly as given.
Password
(PPPoA and PPPoE encapsulation only) Enter the password associated with the
user name above.
Service Name
(PPPoE only) Type the name of your PPPoE service here.
Multiplexing
Select the method of multiplexing used by your ISP from the drop-down list.
Choices are
VC
or
LLC
.
This field is not available if you set the WAN type to
Ethernet
.
Virtual Circuit ID
VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define a virtual
circuit. Refer to the appendix for more information.
These fields are not available if you set the WAN type to
Ethernet
.
VPI
The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.
VCI
The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local
management of ATM traffic). Enter the VCI assigned to you.
IP Address
This option is available if you select
Routing
in the
Mode
field.
A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is
not fixed; the ISP assigns you a different one each time you connect to the
Internet.
Select
Obtain an IP Address Automatically
if you have a dynamic IP address;
otherwise select
Static IP Address
and type your ISP assigned IP address in
the
IP Address
field below.
Subnet Mask
This option is available if you select
ENET ENCAP
in the
Encapsulation
field.
Enter a subnet mask in dotted decimal notation.
Gateway IP
address
This option is available if you select
ENET ENCAP
in the
Encapsulation
field.
Specify a gateway IP address (supplied by your ISP).
DNS Server
First DNS Server
Second DNS Server
Third DNS Server
Select
Obtained
From ISP
if your ISP dynamically assigns DNS server
information (and the ZyXEL Device's WAN IP address) and you select
Obtain
an IP Address Automatically
.
Select
User-Defined
if you have the IP address of a DNS server. Enter the DNS
server's IP address in the field to the right. If you chose
User-Defined
, but leave
the IP address set to 0.0.0.0,
User-Defined
changes to
None
after you click
Apply
. If you set a second choice to
User-Defined
, and enter the same IP
address, the second
User-Defined
changes to
None
after you click
Apply
.
Select
None
if you do not want to configure DNS servers. You must have
another DNS server on your LAN, or else the computers must have their DNS
server addresses manually configured. If you do not configure a DNS server,
you must know the IP address of a computer in order to access it.
Connection (PPPoA and PPPoE encapsulation only)
Table 17
Network > WAN > Internet Access Setup (continued)
LABEL
DESCRIPTION
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Chapter 5 WAN Setup
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73
5.2.1
Advanced Internet Access Setup
Use this screen to edit your ZyXEL Device's advanced WAN settings. Click the
Advanced
Setup
button in the
Internet Access Setup
screen. The screen appears as shown.
Figure 32
Network > WAN > Internet Access Setup: Advanced Setup
Nailed-Up
Connection
Select
Nailed-Up Connection
when you want your connection up all the time.
The ZyXEL Device will try to bring up the connection automatically if it is
disconnected.
Connect on
Demand
Select
Connect on Demand
when you don't want the connection up all the time
and specify an idle time-out in the
Max Idle Timeout
field.
Max Idle Timeout
Specify an idle time-out in the
Max Idle Timeout
field when you select
Connect
on Demand
. The default setting is 0, which means the Internet session will not
timeout.
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Advanced Setup
Click this to display the
Advanced WAN Setup
screen and edit more details of
your WAN setup.
Table 17
Network > WAN > Internet Access Setup (continued)
LABEL
DESCRIPTION
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74
The following table describes the labels in this screen.
Table 18
Network > WAN > Internet Access Setup: Advanced Setup
LABEL
DESCRIPTION
RIP & Multicast
Setup
This section is not available when you configure the ZyXEL Device to be in
bridge mode.
RIP Direction
RIP (Routing Information Protocol) allows a router to exchange routing
information with other routers. Use this field to control how much routing
information the ZyXEL Device sends and receives on the subnet.
Select the RIP direction from
None
,
Both
,
In Only
and
Out Only
.
RIP Version
This field is not configurable if you select
None
in the
RIP Direction
field.
Select the RIP version from
RIP-1
,
RIP-2B
and
RIP-2M
.
Multicast
Multicast packets are sent to a group of computers on the LAN and are an
alternative to unicast packets (packets sent to one computer) and broadcast
packets (packets sent to every computer).
Internet Group Multicast Protocol (IGMP) is a network-layer protocol used to
establish membership in a multicast group. The ZyXEL Device supports
IGMP-
v1
,
IGMP-v2
and
IGMP-v3
. Select
None
to disable it.
ATM QoS
ATM QoS Type
Select
CBR
(Continuous Bit Rate) to specify fixed (always-on) bandwidth for
voice or data traffic. Select
UBR
(Unspecified Bit Rate) for applications that are
non-time sensitive, such as e-mail. Select
VBR-RT
(real-time Variable Bit Rate)
type for applications with bursty connections that require closely controlled delay
and delay variation. Select
VBR-nRT
(non real-time Variable Bit Rate) type for
connections that do not require closely controlled delay and delay variation.
Peak Cell Rate
Divide the DSL line rate (bps) by 424 (the size of an ATM cell) to find the Peak
Cell Rate (PCR). This is the maximum rate at which the sender can send cells.
Type the PCR here.
Sustain Cell
Rate
The Sustain Cell Rate (SCR) sets the average cell rate (long-term) that can be
transmitted. Type the SCR, which must be less than the PCR. Note that system
default is 0 cells/sec.
Maximum Burst
Size
Maximum Burst Size (MBS) refers to the maximum number of cells that can be
sent at the peak rate. Type the MBS, which is less than 65535.
PPPoE
Passthrough
(PPPoE
encapsulation only)
This field is available when you select
PPPoE
encapsulation.
In addition to the ZyXEL Device's built-in PPPoE client, you can enable PPPoE
pass through to allow up to ten hosts on the LAN to use PPPoE client software
on their computers to connect to the ISP via the ZyXEL Device. Each host can
have a separate account and a public WAN IP address.
PPPoE pass through is an alternative to NAT for application where NAT is not
appropriate.
Disable PPPoE pass through if you do not need to allow hosts on the LAN to use
PPPoE client software on their computers to connect to the ISP.
MTU
MTU
The Maximum Transmission Unit (MTU) defines the size of the largest packet
allowed on an interface or connection. Enter the MTU in this field.
For ENET ENCAP, the MTU value is 1500.
For PPPoE, the MTU value is 1492.
For PPPoA and RFC 1483, the MTU is 65535.
Packet Filter
Incoming Filter Sets
Page 75 / 421
Chapter 5 WAN Setup
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75
5.3
The More Connections Screen
The ZyXEL Device allows you to configure more than one Internet access connection. To
configure additional Internet access connections click
Network > WAN > More
Connections
. The screen differs by the encapsulation you select. When you use the
WAN >
Internet Access Setup
screen to set up Internet access, you are configuring the first WAN
connection.
Figure 33
Network > WAN > More Connections
Protocol Filter
Select the protocol filter(s) to control incoming traffic. You may choose up to 4
sets of filters.
You can configure packet filters in the
Packet Filter
screen. See
Chapter 11 on
page 177
for more details.
Generic Filter
Select the generic filter(s) to control incoming traffic. You may choose up to 4
sets of filters.
You can configure generic filters in the
Packet Filter
screen. See
Chapter 11 on
page 177
for more details.
Outgoing Filter Sets
Protocol Filter
Select the protocol filter(s) to control outgoing traffic. You may choose up to 4
sets of filters.
You can configure protocol filters in the
Packet Filter
screen. See
Chapter 11 on
page 177
for more details.
Generic Filter
Select the generic filter(s) to control outgoing traffic. You may choose up to 4
sets of filters.
You can configure generic filters in the
Packet Filter
screen. See
Chapter 11 on
page 177
for more details.
Back
Click this to return to the previous screen without saving.
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Table 18
Network > WAN > Internet Access Setup: Advanced Setup (continued)
LABEL
DESCRIPTION

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