Linksys BEFCMUH4 Router Manual PDF (Setup & Configuration Guide)

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The following instructions assume you are running Windows XP with the

default interface. If you are using the Classic interface (where the icons and

menus look like previous Windows versions), please follow the instructions for

Windows 2000.

1.

Open the Network screen. To do this, click the

Start

button and select the

Control Panel

. From there, click the

Network and Internet Connections

icon, followed by the

Network Connections

icon.

2. Select the

Local Area Connection

icon for the applicable Ethernet adapter

(usually it is the first Local Area Connection listed). Double-click the

Local Area Connection

and click the

Properties

button.

3.

The Local Area Connection Status screen will appear. Click the

Properties

button.

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4. Select

Internet Protocol (TCP/IP)

, as shown in Figure 4-4, and click the

Properties

button.

5. Select

Obtain

an IP address automatically

, as shown in Figure 4-5. Once the new win-

dow appears, click the

OK

button. Click the

OK

button again to complete

the PC configuration.

6. Restart your computer.

Go to “Chapter 5: Using the Cable Gateway’s Web-based Utility.”

14

Cable Gateway

Windows XP

Figure 4-6

Figure 4-4

Figure 4-5

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Page 12 / 43

Chapter 5: Using the Cable

Gateway’s Web-based Utility

For your convenience, an administrative utility has been programmed into the

Cable Gateway. From this browser-based utility, you can view the Cable

Gateway’s current status and, when wireless functions are enabled, administer

the wireless settings. This chapter explains all of the functions in this utility.

1.

Open your web browser, and

enter

192.168.0.1

into the web

browser’s

Address

field, as

shown in Figure 5-1. Then,

press the

Enter

key.

2.

An Enter Network Password

window, similar to that shown

in Figure 5-2, appears. Leave

the

User Name

field empty,

and enter

admin

(the default

password) in lowercase letters

in the Password field.

Then,

click the

OK

button. Don’t

check the box next to

S

ave this

password in your password

list

,

because

you

should

change the password for better

network security.

The

Utility

screen will be displayed next in your browser. Located on the left

of your screen, you have five choices to navigate through the utility: Basic,

Advanced, Firewall, Status, and Wireless. When you click on any of these, you

will have a choice of tabs at the top of the screen. When you click

Basic

, you

have a choice of Setup and DHCP. When you click

Advanced

, you have a

choice of Options, IP Filtering, MAC Filtering, Port Filtering, Forwarding, Port

Triggers, DMZ Host. When you click

Firewall

, you have a choice of

W e b

Filter and Event Log. When you click

Status

, you have a choice of Software,

Connection, Security, and Diagnostics.

When you click

Wireless

, you

have a choice of Basic, Privacy, and Advanced.

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4. Select

Internet Protocol (TCP/IP)

, and click the

Properties

button.

5. Select

Obtain an IP address automatically

. Once the new window

appears, click the

OK

button. Click the

OK

button again (or the

Close

but-

ton if any settings were changed) to complete the PC configuration.

6. Restart your computer.

Go to “Chapter 5: Using the Cable Gateway’s Web-based Utility”.

16

Cable Gateway

Accessing the Web-Based Utility

Figure 4-7

Figure 4-8

Figure 5-2

Figure 5-1

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Page 13 / 43

Duration

The length of the DHCP lease for the IP

assigned by your Cable Provider.

Expires

The date and time that the DHCP lease

expires.

After this time, your Cable Provider

may assign a different IP address to your

Cable Gateway.

Renew NAT Lease

Click the

Renew NAT Lease

button to manu-

ally renew the DHCP lease of the IP address

assigned by the Cable Provider.

Host Name

If your ISP requires a host name, enter it in

this field.

Domain Name

If your ISP requires a domain name, enter it in

this field.

Dynamic IP/Static IP

Click the button next to the type of IP Address

that your ISP uses.

Cloned MAC Address

The Router’s

MAC address

is a 12-digit code

assigned to a unique piece of hardware for

identification, like a social security number.

Enter the 12 digits of your adapter’s MAC

address in the fields.

This clones your net-

work adapter’s MAC address onto the Router,

so you do NOT have to call your ISP to

change the registered MAC address to the

Router’s MAC address.

When finished making your changes on this tab, click the

Apply

button

Click the

Apply

button to save any changes.

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The Setup Tab

This screen allows you to change the setup of the Cable Gateway.

Network Configuration

LAN IP Address

The values for the Cable Gateway’s IP address are

shown here. The default value is

192.168.0.1

.

MAC Address

This is the Cable Gateway’s MAC address. This is

the address that will be registered with your Cable

Provider to enable Internet access.

WAN IP Address

The values for the Cable Gateway’s IP address

that are seen by external users on the Internet.

This IP address is assigned by your Cable

Provider.

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Cable Gateway

The Basic Tabs

Figure 5-3

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Options Tab

This screen allows you to choose advanced features for your Gateway.

WAN Blocking

This feature is designed to protect users

from Internet hackers and other attacks.

By enabling the WAN Blocking, you can

prevent your network from being pinged,

or detected, by other Internet users. The

feature also reinforces your network secu-

rity by hiding your network ports.

IPSec PassThrough

This feature lets you use

IPSec

PassThrough

. To use this feature, click

Enable

.

PPTP PassThrough

Point-to-Point Tunneling Protocol (PPTP)

is the method used to enable VPN (Virtual

Private Network) sessions. Click

Enable

to use this feature.

21

Cable Gateway

The Advanced Tabs

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The DHCP Tab

This screen allows you to configure the DHCP server.

Number of CPEs

Enter the maximum number of PCs that you want

the DHCP server to assign IP addresses to. This

number cannot be greater than 253.

Starting Local Address

Enter a value for the DHCP server to start with when

issuing IP Addresses.

DHCP Client Lease Info

The MAC Address,

IP Address, Subnet Mask, Duration,

Expiration, and the Current System Time will be displayed.

Force Available

When you have a computer with a DHCP lease that

still has time on the lease, but you want to replace it

with another computer, you will have to cancel the

lease. To do that, select the computer in the

DHCP

Client Lease Info

table that you want to replace, then

click the

Force Available

button. The selected com-

puter’s IP address will then be available for another

computer to connect to the network.

Click the

Apply

button to apply any changes to the settings.

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Figure 5-5

Figure 5-4

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IP Filtering Tab

This screen allows you to configure IP address filters for your Gateway.

To filter an IP address, enter the IP addresses into the

Start Address

and

End

Address

fields. Click the

Enabled

button to enable the changes.

Click the

Apply

button to apply any changes to the settings.

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Cable Gateway

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Remote Config Management

This feature allows you to manage the

Cable Gateway from a remote location,

via the Internet. Click

Enable

. To remote-

ly manage your Cable Gateway,. enter

http://<WAN IP Address>:8080 into the

browser of any PC on the Internet. Press

the Enter key.

Multicast Enable

This feature allows for multiple transmis-

sions to specific recipients at the same

time.

Select

Enable

to support the feature.

22

Figure 5-3

Note:

Linksys recommends that you change the password for

your Cable Gateway if you enable Remote Config

Management.

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