Zyxel P-661HNU-F1 Router Manual PDF (Setup & Configuration Guide)

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Chapter 5 Broadband

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5.2.1.4

Bridge Mode

Click the

Add new WAN Interface

in the

Network Setting > Broadband

screen or the

Edit

icon next to the connection you want to configure. Select

Bridge

as the encapsulation mode. The following screen appears.

Figure 19

Broadband Add/Edit: Bridge (ADSL)

The following table describes the fields in this screen.

Table 9

Broadband Add/Edit: Bridge (ADSL)

Label

DESCRIPTION

General

Name

Enter a service name of the connection.

Type

Select

ADSL

as

the interface for which you want to configure here.

The ZyXEL Device uses the ADSL technology for data transmission

over the DSL port.

Mode

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

routing functions, such as QoS, Firewall, DHCP server and NAT on

traffic from the selected LAN port(s).

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5.3

The 3G Backup Screen

Use this screen to configure your 3G settings. Click

Broadband > 3G Backup

.

At the time of writing, the 3G cards you can use in the ZyXEL Device are Huawei

E220 and E270.

Note: The actual data rate you obtain varies depending the 3G card you use, the

signal strength to the service provider’s base station, and so on.

Bridge Group

Select the LAN/WLAN port(s) from which traffic will be forwarded to

the WAN interface directly.

Select a port from the

Available LAN/WLAN Port(s)

list and click

Add >>

to add it to the

Bridged LAN/WLAN Port(s)

list.

If you want to remove a port from the

Bridged LAN/WLAN Port(s)

list, select it and click

Remove <<

.

You cannot configure a QoS class for traffic from the LAN port which is

selected here.

ATM PVC

Configuration

VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define

a virtual circuit.

This section is available only when you select

ADSL

in the

Type

field

to configure an ATM layer-2 interface.

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.

Encapsulation

Mode

The encapsulation method of multiplexing used by your is

LLC/SNAP-

BRIDGING

. In LCC encapsulation, bridged PDUs are encapsulated by

identifying the type of the bridged media in the SNAP header.

Service Category

Select

UBR Without PCR

for applications that are non-time sensitive,

such as e-mail.

Select

CBR

(Constant Bit Rate) to specify fixed (always-on) bandwidth

for voice or data traffic.

Select

Non Realtime VBR

(non real-time Variable Bit Rate) for

connections that do not require closely controlled delay and delay

variation.

Select

Realtime VBR

(real-time Variable Bit Rate) for applications

with bursty connections that require closely controlled delay and delay

variation.

Apply

Click

Apply

to save your changes.

Back

Click

Back

to return to the previous screen.

Table 9

Broadband Add/Edit: Bridge (ADSL) (continued)

Label

DESCRIPTION

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Chapter 5 Broadband

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If the signal strength of a 3G network is too low, the 3G card may switch to an

available 2.5G or 2.75G network. Refer to

Section 5.4 on page 104

for a

comparison between 2G, 2.5G, 2.75G and 3G wireless technologies.

Figure 20

Broadband > 3G Backup

The following table describes the labels in this screen.

Table 10

Broadband > 3G Backup

LABEL

DESCRIPTION

3G Backup

Select this option to have the ZyXEL Device use the 3G connection as

your WAN or a backup when the wired WAN connection fails.

Card Description

This field displays the manufacturer and model name of your 3G card

if you inserted one in the ZyXEL Device. Otherwise, it displays

N/A

.

Username

Type the user name (of up to 70 ASCII printable characters) given to

you by your service provider.

Password

Type the password (of up to 70 ASCII printable characters) associated

with the user name above.

This field is optional.

A PIN (Personal Identification Number) code is a key to a 3G card.

Without the PIN code, you cannot use the 3G card.

If your ISP enabled PIN code authentication, enter the 4-digit PIN

code (0000 for example) provided by your ISP. If you enter the PIN

code incorrectly, the 3G card may be blocked by your ISP and you

cannot use the account to access the Internet.

If your ISP disabled PIN code authentication, leave this field blank.

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Chapter 5 Broadband

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5.4

Technical Reference

The following section contains additional technical information about the ZyXEL

Device features described in this chapter.

Encapsulation

Be sure to use the encapsulation method required by your ISP. The ZyXEL Device

can work in bridge mode or routing mode. When the ZyXEL Device is in routing

mode, it supports the following methods.

Dial String

Enter the phone number (dial string) used to dial up a connection to

your service provider’s base station. Your ISP should provide the

phone number.

For example, *99# is the dial string to establish a GPRS or 3G

connection in Taiwan.

APN Code

Enter the APN (Access Point Name) provided by your service provider.

Connections with different APNs may provide different services (such

as Internet access or MMS (Multi-Media Messaging Service)) and

charge method.

You can enter up to 31 ASCII printable characters. Spaces are

allowed.

Connection

Select

Nailed-UP

if you do not want the connection to time out.

Select

On-Demand

if

you do not want the connection up all the time

and specify an idle time-out in the

Max Idle Timeout

field.

Obtain an IP

Address

Automatically

Select this option If your ISP did not assign you a fixed IP address.

Use the following

static IP address

Select this option If the ISP assigned a fixed IP address.

IP Address

Enter your WAN IP address in this field if you selected

Use the

following static IP address

.

Obtain DNS info

dynamically

Select this to have the ZyXEL Device get the DNS server addresses

from the ISP automatically.

Use the following

static DNS IP

address

Select this to have the ZyXEL Device use the DNS server addresses

you configure manually.

Primary DNS

server

Enter the first DNS server address assigned by the ISP.

Secondary

DNS server

Enter the second DNS server address assigned by the ISP.

Apply

Click

Apply

to save your changes back to the ZyXEL Device.

Cancel

Click

Cancel

to return to the previous configuration.

Table 10

Broadband > 3G Backup (continued)

LABEL

DESCRIPTION

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IP over Ethernet

IP over Ethernet (IPoE) is an alternative to PPPoE. IP packets are being delivered

across an Ethernet network, without using PPP encapsulation. They are routed

between the Ethernet interface and the WAN interface and then formatted so that

they can be understood in a bridged environment. For instance, it encapsulates

routed Ethernet frames into bridged Ethernet cells.

PPP over Ethernet

Point-to-Point Protocol over Ethernet (PPPoE) provides access control and billing

functionality in a manner similar to dial-up services using PPP. PPPoE is an IETF

standard (RFC 2516) specifying how a personal computer (PC) interacts with a

broadband modem (DSL, cable, wireless, etc.) connection.

For the service provider, PPPoE offers an access and authentication method that

works with existing access control systems (for example RADIUS).

One of the benefits of PPPoE is the ability to let you access one of multiple network

services, a function known as dynamic service selection. This enables the service

provider to easily create and offer new IP services for individuals.

Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as

it requires no specific configuration of the broadband modem at the customer site.

By implementing PPPoE directly on the ZyXEL Device (rather than individual

computers), the computers on the LAN do not need PPPoE software installed,

since the ZyXEL Device does that part of the task. Furthermore, with NAT, all of

the LANs’ computers will have access.

PPP over ATM

PPPoA stands for Point to Point Protocol over ATM Adaptation Layer 5 (AAL5). A

PPPoA connection functions like a dial-up Internet connection. The ZyXEL Device

encapsulates the PPP session based on RFC 1483 and sends it through an ATM

PVC (Permanent Virtual Circuit) to the Internet Service Provider’s (ISP) DSLAM

(digital access multiplexer). Please refer to RFC 2364 for more information on

PPPoA. Refer to RFC 1661 for more information on PPP.

RFC 1483

RFC 1483 describes two methods for Multiprotocol Encapsulation over ATM

Adaptation Layer 5 (AAL5). The first method allows multiplexing of multiple

protocols over a single ATM virtual circuit (LLC-based multiplexing) and the second

method assumes that each protocol is carried over a separate ATM virtual circuit

(VC-based multiplexing). Please refer to RFC 1483 for more detailed information.

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