DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Figure 29. Configuring PPPoE WAN connection. The expert settings mode. The

PPP

section.

Parameter

Description

PPP

Username

A username (login) to access the Internet.

Without authorization

Select the checkbox if you don't need to enter a username and

password to access the Internet.

Password

A password to access the Internet.

Password confirmation

The confirmation of the entered password (to avoid mistypes).

Service name

Displayed for the

PPPoE

type only.

The name of the PPPoE authentication server.

Authentication

algorithm

Select a required authentication method from the drop-down list or

leave the

AUTO

value.

MTU

The maximum size of units transmitted by the interface.

Keep Alive

Select the checkbox if you want the router to

keep you connected to

your ISP even when the connection has been inactive for a specified

period of time. When the checkbox is selected, the

LCP interval

and

LCP fails

fields are available. Specify the required values.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Parameter

Description

Dial on demand

Select the checkbox if you want the router to establish connection to

the Internet on demand. In the

Maximum idle time

field, specify a

period of inactivity (in seconds) after which the connection should

be terminated.

PPP IP extension

This option is used by some ISPs. Contact your ISP to clarify if this

checkbox needs to be enabled.

Static IP Address

Fill in the field if you want to use a static IP address to access the

Internet.

PPP debug

Select the checkbox if you want to log

all data on PPP connection

debugging.

PPPoE pass through

Displayed for the

PPPoE

type only.

Select the checkbox if you want to allow PPPoE clients of

computers from your LAN to connect to the Internet through this

PPPoE connection of the router.

Figure 30. Configuring PPPoE WAN connection. The expert settings mode. The

Miscellaneous

and

VLAN

sections.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Parameter

Description

Miscellaneous

Enable RIP

Select the checkbox to allow using RIP for this connection.

Enable IGMP Multicast

Select the checkbox to allow multicast traffic from the external

network (e.g. video streaming) to be received.

NAT

Select the checkbox if you want one WAN IP address to be used for

all computers of your LAN.

Firewall

Select the checkbox to enable protection against ARP and DDoS

attacks.

VLAN

(displayed for the

PPPoE

type only)

Allow to create several

connections assigned

to this port

Select the checkbox to allow the router to use several untagged

connections.

Use VLAN

Select the checkbox to allow the router to use tagged VLAN

connections.

VLAN ID

An identifier for the VLAN. The field is displayed when the

Use

VLAN

checkbox is selected.

VLAN priority

A priority tag for the type of traffic transmitted. The field is

displayed when the

Use VLAN

checkbox is selected.

Click the

Next

button to continue.

After that the page displaying all specified settings opens. Click the

Apply

button to create the

connection or the

Back

button to specify other settings.

After clicking the

Apply

button, the page for checking the Internet availability opens (see the

Checking Internet Availability

section, page 60).

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

IPoA or Static IP Connection

Figure 31. Configuring Static IP WAN connection.

In the

Connection name

field, specify a name for the connection for easier identification.

For ADSL WAN connection, fill in the

VPI

and

VCI

fields.

Fill in the

IP Address

and

Netmask

fields.

In the

Gateway IP address

field, enter the IP address of the gateway used by this WAN

connection.

As a rule, the specified settings are enough to configure a connection of the selected type. If you

need to specify additional settings, open the expert settings mode. To do this, use the switch in the

bottom left corner of the page. After switching to the expert settings mode, the following sections

are displayed:

ATM

(for ADSL WAN connection),

Ethernet

(for Ethernet WAN connection),

IP

,

Miscellaneous

, and

VLAN

.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Figure 32. Configuring Static IP WAN connection. The expert settings mode. The

ATM

and

IP

sections.

Parameter

Description

Connection name

A name for connection for easier identification.

ATM

VPI

Virtual Path Identifier.

The valid range is from 0 to 250.

VCI

Virtual Circuit Identifier.

The valid range is from 32 to 65535.

Encapsulation Mode

Select

LLC

or

VC

from the drop-down list.

QoS

A class of traffic for this connection.

UBR

(

Unspecified Bit Rate

): The UBR service is used for applications

that allow various delays and losses of packets. It is appropriate to

use the UBR service for text/data/image transfer applications, as

well as messaging, distribution, retrieval, and remote terminal

applications.

UBR With PCR

(

Unspecified Bit Rate with Peak Cell Rate

): The UBR service is

used for applications that allow various delays and losses of packets.

The Peak Cell Rate is a determining factor in how often cells are

sent in an effort to minimize lag or jitter caused by traffic

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