Section 3 – Configuration

D-Link DSL-2542B User Manual

41

that service. Examples include: attempts to "flood" a network, thereby preventing legitimate network traffic, attempts to disrupt connections between

two machines, thereby preventing access to a service, attempts to prevent a particular individual from accessing a service, or, attempts to disrupt

service to a specific system or person. Port scan protection is designed to block attempts to discover vulnerable ports or services that might be

exploited in an attack from the WAN.

When you have selected the desired Firewall settings by ticking the corresponding check boxes for the various types of protection offered on this

window, click

Apply Settings

. Click the

Reboot

button on the left panel to let your changes take effect.

Advanced ADSL

To access the

Advanced ADSL

window, click the

Advanced ADSL

button in the

Advanced

directory.

This window allows the user to set the configuration for ADSL protocols.

For most ADSL accounts the default settings

Autosense

will work. This

configuration works with all ADSL implementations. If you have been

given instructions to change the Modulation method used, select the

desired option from the Modulation Type drop-down menu and click the

Apply Settings

button. Click the

Reboot

button on the left panel to let

your changes take effect.

Leave the Capability setting at the bottom of the window unchanged

unless otherwise instructed by your ISP. Both Bitswap Enable and

Seemless Rate Adaption (SRA) Enable deal with tests that determine the

line condition between your Router and the ISP’s Central office.

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D-Link DSL-2542B User Manual

42

Advanced LAN

To access the

Advanced LAN

window, click the

Advanced LAN

button in the

Advanced

directory.

UPnP supports zero-configuration networking and automatic discovery for

many types of networked devices. When enabled, it allows other devices

that support UPnP to dynamically join a network, obtain an IP address,

convey its capabilities, and learn about the presence and capabilities of

other devices. DHCP and DNS service can also be used if available on

the network. UPnP also allows supported devices to leave a network

automatically without adverse effects to the device or other devices on the

network. UPnP is a protocol supported by diverse networking media

including Ethernet, Firewire, phone line, and power line networking.

To enable UPnP for any available connection, tick the Enable UPnP check

box, select the connection or connections on which you will enable UPnP

listed under Available Connections and click the

Apply Settings

button.

Click the

Reboot

button on the left panel to let your changes take effect.

When “Enable Multicast Streams (IGMP)” is ticked, Multicast packets are

allowed to pass in both directions on the WAN interface. Most users will

want to leave this on

.

The Router supports RIP v1 and RIP v2 used to share routing tables with

other Layer 3 routing devices on your local network or remote LAN. The

Operation setting refers to the RIP request. Select

Active

to allow RIP

requests from other devices. Select

Passive

to instruct the Router to make

RIP requests for routing tables from other devices.

To enable RIP, select

Enabled

from the RIP pull-down menu, select the

Protocol (

RIPv1

,

RIPv2

,

or

RIP Both

) and Operation (

Active

or

Passive

),

and click

Apply Settings

.

To define a gateway and hop to route data traffic, complete the fields in

the Add Static Route section and click

Apply Settings

.

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D-Link DSL-2542B User Manual

43

SNMP Setup

To access the

SNMP Setup

window, click the

SNMP Setup

button in the

Advanced

directory.

Simple Network Management Protocol is a standard for internetwork and

intranetwork management.

Tick the SNMP Agent check box and configure the parameters for SNMP

on this window and then click the

Apply Settings

button. Click the

Reboot

button on the left panel to let your changes take effect.

Section 3 – Configuration

D-Link DSL-2542B User Manual

44

Remote Management

To access the

Remote Management

window, click the

Remote Management

button in the

Advanced

directory.

The Router allows remote Web and Telnet management in the top section

of the window. Tick the Enable Remote Management check box, enter an

IP address of the remote system used for management, enter optional

identifying information in the Details field if desired, and click the

Add/Apply

button. Once the IP address appears in the bottom half of this

section, click the

Reboot

button on the left panel to let your changes take

effect.

Use the Access Control section in the middle of the window to restrict a

service from being accessed via the WAN interface. Click the

Apply

Settings

button and then click the

Reboot

button on the left panel to let

your changes take effect.

Section 3 – Configuration

D-Link DSL-2542B User Manual

45

Maintenance

The

Maintenance

directory

features an array of options designed to help you get the most out of your Router.

Password

To access the

Password

window, click the

Settings

button in the

Maintenance

directory.

To change the Administrator’s password, type the Current Password in

the first field, the New Password in the second field, and enter the

password again in the Confirm Password field to be certain you have

typed it correctly. Click the

Apply Settings

button and then click the

Reboot

button on the left panel to let your changes take effect. The

system User Name remains “admin,” this cannot be changed using the

Web manager interface.