Zyxel VMG3926-B10A Router Manual PDF (Setup & Configuration Guide)

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Chapter 6 Broadband

VMG3926-B10A User’s Guide

6.2.1

Add/Edit Internet Connection

Click

Add New WAN Interface

in the

Broadband

screen or the

Edit

icon next to an existing WAN

interface to configure a WAN connection. The screen varies depending on the interface type, mode,

encapsulation, and IPv6/IPv4 mode you select.

6.2.1.1

Routing Mode

Use

Routing

mode if your ISP give you one IP address only and you want multiple computers to

share an Internet account.

The following example screen displays when you select the

ADSL/VDSL over ATM

connection

type,

Routing

mode, and

PPPoE

encapsulation. The screen varies when you select other interface

type, encapsulation, and IPv6/IPv4 mode.

Figure 21

Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode)

Page 67 / 327

Chapter 6 Broadband

VMG3926-B10A User’s Guide

The following table describes the labels in this screen.

Table 8

Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode)

LABEL

DESCRIPTION

General

Active

Select this to enable the interface.

Name

Specify a descriptive name for this connection.

Type

Select whether it is an ADSL/VDSL over PTM, ADSL over ATM connection or Ethernet.

Mode

Select

Routing

if your ISP give you one IP address only and you want multiple computers to

share an Internet account.

Encapsulation

Select the method of encapsulation used by your ISP from the drop-down list box. This

option is available only when you select

Routing

in the

Mode

field.

The choices depend on the connection type you selected. If your connection type is

ADSL/

VDSL over PTM

, the choices are

PPPoE

and

IPoE

. If your connection type is

ADSL over

ATM

, the choices are

PPPoE

PPPoA

IPoE

and

IPoA

IPv6/IPv4 Mode

Select

IPv4 Only

if you want the VMG to run IPv4 only.

Select

IPv6/IPv4 DualStack

to allow the VMG to run IPv4 and IPv6 at the same time.

Select

IPv6 Only

if you want the VMG to run IPv6 only.

ATM PVC Configuration (These fields appear when the

Type

is set to

ADSL over ATM

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.

DSL Link Type

The choices in this field change according to the

Encapsulation

method chosen above. This

field is not editable.

PPPoA

and

IPoA

encapsulation use the same named

DSL Link Type

Ethernet-over-ATM (

EoA

) is used for

PPPoE

, and

IPoE

encapsulation.

EoA

protocol for data transfer between Ethernet LAN and WAN over the ATM protocol. It

creates a bridged connection between the VMG and the ISP. It uses an Ethernet header in

the packet, so that you can have multiple services/connections over one PVC. You can set

each connection to have its own MAC address or all connections share one MAC address but

use different VLAN IDs for different services. EoA supports ENET ENCAP (IPoE), PPPoE and

RFC1483/2684 bridging encapsulation methods.

PPPoA

(PPP over ATM) allows just one PPPoA connection over a PVC.

IPoA

(IP over ATM) allows just one RFC 1483 routing connection over a PVC.

Encapsulation

Mode

Select the method of multiplexing used by your ISP from the drop-down list box. Choices

are:

•

LLC/SNAP-BRIDGING:

In LCC encapsulation, bridged PDUs are encapsulated by

identifying the type of the bridged media in the SNAP header. This is available only when

you select

IPoE

PPPoE

in the

Select DSL Link Type

field.

•

VC/MUX:

In VC multiplexing, each protocol is carried on a single ATM virtual circuit

(VC). To transport multiple protocols, the VMG needs separate VCs. There is a binding

between a VC and the type of the network protocol carried on the VC. This reduces

payload overhead since there is no need to carry protocol information in each Protocol

Data Unit (PDU) payload.

•

LLC/ENCAPSULATION:

More than one protocol can be carried over the same VC. This

is available only when you select

PPPoA

in the

Encapsulation

field.

•

LLC/SNAP-ROUTING:

In LCC encapsulation, an IEEE 802.2 Logical Link Control (LLC)

header is prefixed to each routed PDU to identify the PDUs. The LCC header can be

followed by an IEEE 802.1a SubNetwork Attachment Point (SNAP) header. This is

available only when you select

IPoA

in the

Encapsulation

field.

Page 68 / 327

Chapter 6 Broadband

VMG3926-B10A User’s Guide

Service

Category

Select

UBR Without PCR

UBR With PCR

for applications that are non-time sensitive,

such as e-mail.

Select

CBR

(Continuous 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.

PPP Information (This is available only when you select

PPPoE

PPPoA

in the

Mode

field.)

PPP User Name

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.

PPP Password

Enter the password associated with the user name above. Select

password unmask

show your entered password in plain text.

PPP Trigger

Type

Select when to have the VMG establish the PPP connection.

Auto Connect

- select this to not let the connection time out.

Connect on Demand

- select this to automatically bring up the connection when the VMG

receives packets destined for the Internet.

Manual

- select this if you want to manually trigger the connection up.

Authentication

Method

Select an authentication protocol for outgoing connection requests through this WAN

interface.

PAP

- Password Authentication Protocol (PAP) authentication sends user name and

password in clear text without using encryption. Select this if your VMG accepts PAP only.

CHAP

- Challenge Handshake Authentication Protocol (CHAP) provides authentication

through a shared secret key and uses a three way handshake. Select this if your VMG

accepts CHAP only.

MSCHAP

- Microsoft CHAP provides authentication through a shared secret key and uses a

three way handshake. It provides improved usability with Microsoft products. Select this if

your VMG accepts MSCHAP only.

AUTO

- Select this if your VMG accepts either PAP, CHAP, or MSCHAP authentication

method.

Idle Timeout

This value specifies the time in minutes that elapses before the router automatically

disconnects from the PPPoE server.

This field is not configurable if you select

Auto Connect

in the

PPP Trigger Type

field.

PPPoE Service

Name

Enter the name of your PPPoE service here.

PPPoE

Passthrough

This field is available when you select

PPPoE

encapsulation.

In addition to the VMG’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 VMG. 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.

IP Address (This is available only when you select

IPv4 Only

IPv6/IPv4 DualStack

in the

IPv6/IPv4

Mode

field.)

Table 8

Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)

LABEL

DESCRIPTION

Page 69 / 327

Chapter 6 Broadband

VMG3926-B10A User’s Guide

Obtain an IP

Address

Automatically

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 this if you

have a dynamic IP address.

DHCP

option 60/

Vendor ID

This field displays when editing an existing WAN interface. Type the class vender ID you

want the VMG to add in the DHCP Discovery packets that go to the DHCP server.

DHCP

option 61

IAD

This field displays when editing an existing WAN interface. Type the Identity Association

Identifier (IAD) you want the VMG to add in the DHCP Discovery packets that go to the

DHCP server.

DHCP

option 61

DUID

This field displays when editing an existing WAN interface. Type the DHCP Unique Identifier

(DUID) you want the VMG to add in the DHCP Discovery packets that go to the DHCP server.

DHCP

option 43

Enable

This field displays when editing an existing WAN interface. Type the vender specific

information you want the VMG to add in the DHCP Offer packets. The information is used,

for example, for configuring an ACS’s (Auto Configuration Server) URL.

Static IP

Address

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

IP Address

Enter the static IP address provided by your ISP.

Subnet

Mask

Enter the subnet mask provided by your ISP.

Gateway IP

Address

Enter the gateway IP address provided by your ISP.

Routing Feature (This is available only when you select

IPv4 Only

IPv6/IPv4 DualStack

in the

IPv6/

IPv4 Mode

field.)

NAT Enable

Select this option to activate NAT on this connection.

Fullcone NAT

Enable

Select this option to enable full cone NAT on this connection. This field is available only when

you activate NAT. In full cone NAT, the VMG maps all outgoing packets from an internal IP

address and port to a single IP address and port on the external network. The VMG also

maps packets coming to that external IP address and port to the internal IP address and

port.

IGMP Proxy

Enable

Internet Group Multicast Protocol (IGMP) is a network-layer protocol used to establish

membership in a Multicast group - it is not used to carry user data.

Select this option to have the VMG act as an IGMP proxy on this connection. This allows the

VMG to get subscribing information and maintain a joined member list for each multicast

group. It can reduce multicast traffic significantly.

Apply as

Default

Gateway

Select this option to have the VMG use the WAN interface of this connection as the system

default gateway.

DNS Server (This is available only when you select

IPv4 Only

IPv6/IPv4 DualStack

in the

IPv6/IPv4

Mode

field.)

DNS

Select

Obtain DNS Info Automically

if you want the VMG to use the DNS server

addresses assigned by your ISP.

Select

Use Following Static DNS Address

if you want the VMG to use the DNS server

addresses you configure manually.

DNS Server1

Enter the first DNS server address assigned by the ISP.

DNS Server 2

Enter the second DNS server address assigned by the ISP.

Table 8

Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)

LABEL

DESCRIPTION

Page 70 / 327

Chapter 6 Broadband

VMG3926-B10A User’s Guide

Tunnel (This is available only when you select

IPv4 Only

IPv6 Only

in the

IPv6/IPv4 Mode

field.)

The DS-Lite (Dual Stack Lite) fields display when you set the

IPv6/IPv4 Mode

field to

IPv6 Only

Enable Dual Stack Lite to let local computers use IPv4 through an ISP’s IPv6 network. See

Dual Stack Lite on

page 64

for more information.

The 6RD (IPv6 rapid deployment) fields display when you set the

IPv6/IPv4 Mode

field to

IPv4 Only

. See

IPv6 Rapid Deployment on page 63

for more information.

Enable DS-Lite

This is available only when you select

IPv6 Only

in the

IPv6/IPv4 Mode

field. Select

Enable

to let local computers use IPv4 through an ISP’s IPv6 network.

DS-Lite Relay

Server IP

Specify the transition router’s IPv6 address.

Enable 6RD

This is available only when you select

IPv4 Only

in the

IPv6/IPv4 Mode

field. Select

Enable

to tunnel IPv6 traffic from the local network through the ISP’s IPv4 network.

6RD Type

Select

Static

if you have the IPv4 address of the relay server, otherwise select

DHCP

have the VMG detect it automatically through DHCP.

IPv4 Mask

Length

Enter the subnet mask number (1~32) for the IPv4 network.

6RD Border

Relay Server IP

When you set the

6RD Type

Static

, specify the relay server’s IPv4 address in this field.

6RD IPv6 Prefix

Enter an IPv6 prefix for tunneling IPv6 traffic to the ISP’s border relay router and connecting

to the native IPv6 Internet.

IPv6 Address (This is available only when you select

IPv6/IPv4 DualStack

IPv6 Only

in the

IPv6/IPv4

Mode

field.)

IPv6 Address

Select

Automatic

if you want to have the VMG use the IPv6 prefix from the connected

router’s Router Advertisement (RA) to generate an IPv6 address.

•

Select

Get IPv6 Address From DHCPv6 Server(IA_NA)

if you want to obtain an IPv6

address from a DHCPv6 server. The IP address assigned by a DHCPv6 server has priority

over the IP address automatically generated by the VMG using the IPv6 prefix from an

RA. This option is available only when you choose to get your IPv6 address

automatically.

•

Select

Prefix Delegation(IA_PD)

to use DHCP PD (Prefix Delegation) which enables

the VMG to pass the IPv6 prefix information to its LAN hosts. The hosts can then use the

prefix to generate their IPv6 addresses.

Select

Static

if you have a fixed IPv6 address assigned by your ISP.

Select

None

to not assign any IPv6 address to this WAN connection.

Prefix

Length

Enter the address prefix length to specify how many most significant bits in an IPv6 address

compose the network address.

Next Hop

Enter the IP address of the next-hop gateway. The gateway is a router or switch on the

same segment as your VMG's interface(s). The gateway helps forward packets to their

destinations.

IPv6 Routing Feature (This is available only when you select

IPv6/IPv4 DualStack

IPv6 Only

in the

IPv6/IPv4 Mode

field. You can enable IPv6 routing features in the following section.)

MLD Proxy

Enable

Select this checkbox to have the VMG act as an MLD proxy on this connection. This allows

the VMG to get subscription information and maintain a joined member list for each

multicast group. It can reduce multicast traffic significantly.

Apply as

Default

Gateway

Select this option to have the VMG use the WAN interface of this connection as the system

default gateway.

IPv6 DNS

Server

Configure the IPv6 DNS server in the following section.

Table 8

Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)

LABEL

DESCRIPTION

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