DSL-2520U

ADSL2/2+ Router with USB and Ethernet Ports

User Manual

Configuring via Web-based Interface

The

IP settings

section is displayed for the

IPoE

and

IPoA

connection types.

Figure 25. The page for creating a new connection. The

IP settings

section.

Parameter

Description

IP settings

Obtain an IP address

automatically

Displayed for the IPoE type only.

Select the checkbox to configure automatic IP address assignment

for this connection. When the checkbox is selected, the

IP

Address

,

Netmask

, and

Gateway IP Address

fields are not

displayed.

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.

Vendor ID

Displayed for the IPoE type only.

The identifier of your ISP. This field is specified when the ISP

assigns an IP address automatically (the

Obtain an IP address

automatically

checkbox is selected).

Optional

.

Interface

The name assigned to the connection by the system.

Click the

Save

button.

Page

36

of 67

DSL-2520U

ADSL2/2+ Router with USB and Ethernet Ports

User Manual

Configuring via Web-based Interface

Advanced

This menu provides advanced settings of the router. On the pages of this menu, you can define

static routes and rules for remote access to the web-based interface, add name servers, enable the

UPnP function, define interface groups, configure a DDNS service, and edit the ADSL connection

parameters.

UPnP

On the

Advanced / UPnP

page, you can enable the UPnP function.

UPnP is a set of networking protocols designed for automatic configuration of network devices. The

UPnP function performs automatic configuration of the device's parameters for network

applications requiring an incoming connection to the router.

Figure 26. The

Advanced / UPnP

page.

If you want to manually specify all parameters needed for network applications, deselect the

Enabled

checkbox and click the

Change

button.

If you want to enable the UPnP function in the router, select the

Enabled

checkbox and click the

Change

button.

Page

37

of 67

DSL-2520U

ADSL2/2+ Router with USB and Ethernet Ports

User Manual

Configuring via Web-based Interface

Interface Grouping

On the

Advanced / Interface grouping

page, you can assign virtual PVC connections to the

router's ports (create groups of interfaces), which allows distinguishing different types of traffic.

This function is mostly used in Triple-play networks.

Figure 27. The

Advanced / Interface grouping

page.

To create a new rule for interface grouping (a group of ports), click the

Add group

button (the

button is not displayed if there is no WAN connection in the system).

Figure 28. The page for adding a new group of ports.

Page

38

of 67

DSL-2520U

ADSL2/2+ Router with USB and Ethernet Ports

User Manual

Configuring via Web-based Interface

You can specify the following parameters:

Parameter

Description

Name

A name for the group for easier identification. You can specify any

name.

LANs

The list of available internal interfaces is displayed in the left

column of the line. Use the button ==> to select interfaces. The

selected interfaces will be displayed in the right column of the field.

WANs

WAN connections to which the new group will be assigned. Use the

button ==> to select WAN connections. The selected connections

will be displayed in the right column of the field.

Click the

Save

button.

!

When you add an interface to the new group, it is excluded from the group to which it has

been assigned before.

To edit or remove an existing group, select the relevant group on the

Advanced / Interface

grouping

page. On the page displayed, change the parameters and click the

Save

button, or click

the

Delete

button. When you delete a group, interfaces assigned to it are reassigned to the

DEFAULT

group.

Page

39

of 67

DSL-2520U

ADSL2/2+ Router with USB and Ethernet Ports

User Manual

Configuring via Web-based Interface

DDNS

On the

Advanced / DDNS

page, you can define parameters of the DDNS service, which allows

associating a domain name with dynamic IP addresses.

Figure 29. The

Advanced / DDNS

page.

To add a new DDNS service, click the

Add

button.

Page

40

of 67