DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Parameter

Description

inconsistencies. When you select this value from the drop-down list,

the

Peak Cell Rate

field is displayed. Specify a required value (in

cells per second).

CBR

(

Constant Bit Rate

): This service is used for applications that

require a constant data rate. It is mostly used for transferring

uncompressed audio and video, e.g. videoconferencing, interactive

audio (telephony), audio/video distribution (television, distance

education, e-shops), and retrieval (video-on demand, audio

libraries). When you select this value from the drop-down list, the

Peak Cell Rate

field is displayed. Specify a required value (in

cells per second).

Non Realtime VBR

(

Non-Real-time Variable Bit Rate

): This service can be used for

transferring data that have critical response-time requirements, e.g.

air ticket booking, bank transactions, and process monitoring. When

you select this value from the drop-down list, the

Peak Cell Rate

,

Sustainable Cell Rate

, and

Maximum Burst Size

fields are

displayed. Specify required values.

Realtime VBR

(

Real-time Variable Bit Rate

): This service is used for delay-

sensitive applications such as real time video. The Rt-VBR provides

higher network flexibility than the CBR service. When you select

this value from the drop-down list, the

Peak Cell Rate

,

Sustainable Cell Rate

, and

Maximum Burst Size

fields are

displayed. Specify required values.

IP

IP Address

Enter an IP address for this WAN connection.

Netmask

Enter a subnet mask for this WAN connection.

Gateway IP address

Enter an IP address of the gateway used by this WAN connection.

Secondary DNS

server

Enter addresses of the secondary DNS server.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Figure 33. Configuring Static IP WAN connection. The expert settings mode. The

Ethernet

section.

Parameter

Description

Ethernet

MTU

The maximum size of units transmitted by the interface.

MAC

A MAC address assigned to the interface. This parameter is

mandatory if your ISP uses MAC address binding. In the field, enter

the MAC address registered by your ISP upon concluding the

agreement.

Also you can set the address of a device connected to the router's

LAN at the moment. To do this, select the relevant value from the

drop-down list (the field will be filled in automatically).

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

Figure 34. Configuring Static IP WAN connection. The expert settings mode. The

Miscellaneous

and

VLAN

sections.

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

Static IP

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.

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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

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

Dynamic IP Connection

Figure 35. Configuring Dynamic 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.

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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