51

5

5.

Advanced Settings

This chapter includes the following sections:

•

Advanced Wireless Settings

•

MAC Filtering

•

IP Filtering

•

Port Blocking

•

Port Forwarding

•

Port Triggering

•

DMZ Host

•

LAN IP Setup

•

Reserve an IP Address for DHCP Use

•

LAN Switch

•

Configure Universal Plug and Play

•

Set Networking Protocols

•

Enable Network Address Translation

•

Access a USB Device on the Network

Advanced Settings

52

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

Advanced Wireless Settings

You can configure the wireless radio settings and other advanced settings.



To configure advanced wireless settings:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Advanced, select

Wireless Settings

.

The following screen displays:

Advanced Settings

53

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

4.

Configure the settings described in the following table.

•

Fragmentation Threshold

•

CTS/RTS Threshold

•

Preamble Mode

5.

Click the

Apply

button.

Your changes are saved.

MAC Filtering

By default, the modem router allows any connected computer to access the Internet. The

MAC Filtering screen lets you block specific computers, based on their MAC addresses, from

access to the Internet on selected days and times.



To use MAC filtering to block Internet access for a specific computer:

1.

Type

in the address field of your web browser.

Advanced Wireless Settings

Description

Wireless Access

Point

Enable

By default this check box is selected so that the

modem router works as a wireless access point. You

can turn off the wireless radio to disable access

through this device, which can be helpful for

configuration, network tuning, or troubleshooting

activities.

Advanced

Configuration

The default settings for these fields usually work fine.

Change them only if you have a specific reason for

doing so.

WPS Settings

Disable router’s PIN

Selecting this check box disables the PIN that WPS

clients use to connect to the modem router with the

PIN method. Normally this check box is cleared,

which is the default setting.

Keep Existing Settings

If a WPS client is added, the modem router

automatically selects this check box. When the

Keep

Existing Settings

check box is selected, the SSID

and wireless security settings remain the same when

more WPS clients are added.

Wireless Access List

Set up Access List

Access control is disabled by default so that any

computer that is configured with the correct SSID

can connect.

Advanced Settings

54

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Advanced, select

MAC Filtering

.

The following screen displays:

The Trusted Devices table shows computers that have access to the Internet through the

modem router.

4.

In the Add MAC Filter table, use one of these methods to specify computers to block:

•

If the computer is in the Trusted Devices table, select its radio button. The MAC

address is added into the Add MAC Filter table.

Advanced Settings

55

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

•

If the computer you want is not listed, click the

Refresh

button to update the Trusted

Devices table.

If the computer is still not listed, complete the

Device Name

and

MAC Address

fields.

5.

Click the

Add

button.

The

Enable

check box for the computer in the

MAC Filter List

is automatically selected.

6.

To block the computer, select the days and times:

•

Days to Block

. Select the days to block the computer selected in the

MAC Filter List

.

The default is

Everyday

.

•

Time of Day to Block

. You can specify the time of day to block the computer. The

default is

All Day

. Be sure that you clear the

All Day

check box if you want to enter

specific times. The selected period applies to each day that you selected.

7.

Click the

Apply

button.

8.

Repeat these steps for all computers that you want to block.



To stop blocking a computer:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Advanced, select

MAC Filtering

.

The MAC Filtering screen displays.

4.

In the

MAC Filter

List, select the computer.

5.

Clear its

Enable

check box.

The computer remains in the list; however, it is not blocked.

6.

Click the

Apply

button.

Your changes are saved.