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26

2.3.3

Connection Type: PPPoE

Point-to-Point Protocol over Ethernet (PPPoE) functions as a dial-up connection. PPPoE is an IETF

(Internet Engineering Task Force) standard specifying how a host personal computer interacts with

a broadband modem (for example DSL, cable, wireless, etc.) to achieve access to high-speed data

networks.

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

access control systems (for instance, RADIUS).

One of the benefits of PPPoE is the ability to let end users 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 specific users.

Operationally, PPPoE saves significant effort for both the subscriber and the ISP/carrier, as it

requires no specific configuration of the broadband modem at the subscriber's site.

By implementing PPPoE directly on the NBG-419N (rather than individual computers), the

computers on the LAN do not need PPPoE software installed, since the NBG-419N does that part of

the task. Furthermore, with NAT, all of the LAN's computers will have Internet access.

Figure 8

Internet Connection Type: PPPoE

Default Gateway

Enter the gateway IP address in this field.

Primary DNS

DNS (Domain Name System) is for mapping a domain name to its

corresponding IP address and vice versa. The DNS server is extremely

important because without it, you must know the IP address of a

computer before you can access it. The NBG-419N uses a system DNS

server (in the order you specify here) to resolve domain names for DDNS

and the time server.

Enter the primary DNS server's IP address in the fields provided.

Secondary DNS

Enter the secondary DNS server's IP address in the fields provided.

Exit

Click this to close the wizard screen without saving.

Back

Click this to return to the previous screen.

Next

Click this to continue.

Table 3

Internet Connection Type: Static IP

LABEL

DESCRIPTION

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The following table describes the labels in this screen.

2.3.4

Connection Type: PPTP

Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables transfers of data from a

remote client to a private server, creating a Virtual Private Network (VPN) using TCP/IP-based

networks.

PPTP supports on-demand, multi-protocol, and virtual private networking over public networks,

such as the Internet.

Refer to the appendix for more information on PPTP.

The NBG-419N supports one PPTP server connection at any given time.

Figure 9

Internet Connection Type: PPTP

Table 4

Internet Connection Type: PPPoE

LABEL

DESCRIPTION

Internet

Connection Type

Select the

PPPoE

option for a dial-up connection.

Dynamic IP

Select this radio button if your ISP did not assign you a fixed IP address.

Static IP

Select this radio button, provided by your ISP to give the NBG-419N a fixed,

unique IP address.

IP Address

Type the name of your service provider.

User Name

Type the user name given to you by your ISP.

Password

Type the password associated with the user name above.

Exit

Click this to close the wizard screen without saving.

Back

Click this to return to the previous screen.

Next

Click this to continue.

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The following table describes the fields in this screen

2.3.5

Connection Type: L2TP

The Layer 2 Tunneling Protocol (L2TP) works at layer 2 (the data link layer) to tunnel network traffic

between two peer devices over another network (like the Internet).

Figure 10

Internet Connection Type: L2TP

The following table describes the fields in this screen

Table 5

Internet Connection Type: PPTP

LABEL

DESCRIPTION

Internet

Connection Type

Select

PPTP

from the drop-down list box. To configure a PPTP client, you must

configure the

User Name

and

Password

fields for a PPP connection and the

PPTP parameters for a PPTP connection.

Dynamic IP

Select this radio button if your ISP did not assign you a fixed IP address.

Static IP

Select this radio button, provided by your ISP to give the NBG-419N a fixed,

unique IP address.

PPTP Address

Type the (static) IP address assigned to you by your ISP.

PPTP Subnet Mask

Type the subnet mask assigned to you by your ISP (if given).

PPTP Gateway IP

Address

Type the gateway IP address of the PPTP server.

PPTP Server IP

Address

Type the server IP address of the PPTP server.

User Name

Type the user name given to you by your ISP.

Password

Type the password associated with the User Name above.

Exit

Click this to close the wizard screen without saving.

Back

Click this to return to the previous screen.

Next

Click this to continue.

Table 6

Internet Connection Type: L2TP

LABEL

DESCRIPTION

Internet

Connection Type

Select

L2TP

from the drop-down list box.

Dynamic IP

Select this radio button if your ISP did not assign you a fixed IP address.

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The NBG-419N connects to the Internet.

Figure 11

Connecting to the Internet

Note: If the Wizard successfully connects to the Internet, it proceeds to the next step. If

you get an error message, go back to the previous screen and make sure you have

entered the correct information provided by your ISP.

Static IP

Select this radio button, provided by your ISP to give the NBG-419N a fixed,

unique IP address.

L2TP Address

Type the (static) IP address assigned to you by your ISP.

L2TP Subnet Mask

Type the subnet mask assigned to you by your ISP (if given).

L2TP Gateway IP

Address

Type the gateway IP address of the L2TP server.

L2TP Server IP

Address

Type the server IP address of the L2TP server.

User Name

Type the user name given to you by your ISP.

Password

Type the password associated with the User Name above.

Exit

Click this to close the wizard screen without saving.

Back

Click this to return to the previous screen.

Next

Click this to continue.

Table 6

Internet Connection Type: L2TP

LABEL

DESCRIPTION

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2.4

Router Password

Change the login password in the following screen. Enter the new password and retype it to

confirm. Click

Next

to proceed with the

Wireless Security

screen

.

Figure 12

Router Password

2.5

Wireless Security

Configure Wireless Settings. Configure the wireless network settings on your NBG-419N in the

following screen. The fields that show up depend on the kind of security you select.

2.5.1

Wireless Security: No Security

Choose

No Security

in the Wireless Security screen to let wireless devices within range access

your wireless network.

Figure 13

Wireless Security: No Security