3Com 3CRWDR300A-73 Router Manual PDF (Setup & Configuration Guide)

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54

C

HAPTER

5: C

ONFIGURING

THE

R

OUTER

LAN Settings

Your Router is equipped with a DHCP server that will automatically assign

IP addresses to each computer on your network. The factory default

settings for the DHCP server will work with most applications. If you need

to make changes to the settings, you can do so.

The LAN settings screen allows you to:

■

Change the default IP address of the Router. The default IP is

192.168.1.1

■

Change the Subnet Mask. The default setting is 255.255.255.0

■

Enable/Disable the DHCP Server Function. The default is:

Enable

.

■

Specify the Starting and Ending IP Pool address. The default is

Starting: 2 / Ending: 254.

■

Specify the IP address Lease Time. The default is One day.

■

Specify a local Domain Name. This field is optional.

■

Specify the IP address of 3Com NBX call processor.

The Router will also provide a list of all client computers connected to the

Router.

LAN Settings Unit

Configuration

The LAN Settings unit configuration screen is used to specify the LAN IP

address of your Router, and to configure the DHCP server.

Figure 41

LAN Settings Unit Configuration Screen

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LAN Settings

55

1

Enter the Router’s

IP Address

and

Subnet Mask

in the appropriate fields.

The default IP address is 192.168.1.1.

2

If you want to use the Router as a DHCP Server, check

Enable

in the

DHCP

Server

field.

3

Enter the IP address range in the

IP Pool Start Address

and

IP Pool End

Address

fields.

4

Specify the DHCP Lease time by selecting the required value from the

Lease Time

drop-down menu. The lease time is the length of time the

DHCP server will reserve the IP address for each computer.

5

Specify the Local Domain Name for your network (this step is optional).

6

Enter the IP address of the NBX Call Processor in the

3Com NBX Call

Processor

field (this step is optional).

7

Check all of your settings, and then click

Apply

.

DHCP Clients List

The DHCP Clients List provides details on the devices that have received IP

addresses from the Router. The list is only created when the Router is set

up as a DHCP server. A maximum of 253 clients can be connected to the

Router.

Figure 42

DHCP Clients List Screen

For each device that is connected to the LAN, the following information is

displayed:

■

IP address

— The Internet Protocol (IP) address issued to the client

machine.

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56

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■

Host Name

— The client machine’s host name, if configured.

■

MAC Address

— The Media Access Control (MAC) address of the

client’s network card.

■

Client Type

— Whether the client is connected to the Router by wired

or wireless connection.

■

Check the

Fix

checkbox to permanently fix the IP address.

■

Click

Release

to release the displayed IP address.

■

Click

Add

to allocate an IP address to a MAC address. Enter the

required details and click

Apply

to save your settings.

The DHCP server will give out addresses to both wired and wireless

clients.

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Wireless Settings

57

Wireless Settings

The Wireless Settings screens allow you to configure the settings for the

wireless connections.

You can enable or disable the wireless connection for your LAN. When

disabled, no wireless PCs can gain access to either the Internet or other

PCs on your wired or wireless LAN through this Router.

Figure 43

Wireless Settings Screen

There are 8 tabs available:

■

Configuration

■

Encryption

■

WPS

■

Connection Control

■

Client List

■

WMM

■

WDS

■

Advanced

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58

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Configuration

The Wireless Configuration Screen allows you to turn on/ turn off the

wireless function, and set up basic wireless settings. You can also

enable/disable the Wireless function using the WiFi on/off button at the

back of the Router.

Figure 44

Wireless Configuration Screen

To enable the wireless function:

1

Check

Enable Wireless Networking

checkbox.

2

Select the wireless channel you want to use from the

Channel

drop-down

menu.

3

Select the

Extension Channel

.

4

Specify the SSID to be used by your wireless network in the

SSID

field. If

there are other wireless networks in your area, you should give your

wireless network an unique name.

5

Enable or disable

SSID Broadcast

.

A feature of many wireless network adapters is that a computer's SSID

can be set to ANY, which means it looks randomly for any existing

wireless network. The available networks are then displayed in a site

survey, and your computer can select a network. If you disable this SSID

broadcast function, you can block this random search, and set the

computer's SSID to a specific network (for example, WLAN). This

increases network security. If you decide to disable

SSID Broadcast

, ensure

that you know the name of your network first.

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