15

Chapter 5: Configuring the Wireless-B Broadband Router

The Setup Tab - Advanced Routing

Wireless-B Broadband Router

The Setup Tab - Advanced Routing

This tab is used to set up the Router’s advanced functions. Dynamic Routing will automatically adjust how packets

travel on your network. Static Routing sets up a fixed route to another network destination.

NAT. Network Address Translation (NAT) technology translates IP addresses of a local area network to a different

IP address for the Internet. To enable the NAT function, click

Enable

.

Dynamic Routing. With Dynamic Routing you can enable the Gateway to automatically adjust to physical

changes in the network’s layout. The Gateway, using the RIP protocol, determines the network packets’ route

based on the fewest number of hops between the source and the destination. The RIP protocol regularly

broadcasts routing information to other Gateways on the network. To enable RIP, click

Enabled

. To disable RIP,

click

Disabled

.

•

Transmit RIP Version. To transmit RIP messages, select the protocol you want:

RIP1, RIP1-Compatible, or

RIP2

. If you don’t want to transmit RIP messages, select

None

.

•

Receive RIP Version. To receive RIP messages, select the protocol you want:

RIP1

or

RIP2

. If you don’t want

to receive RIP messages, select

None

.

Static Routing. To set up a static route between the Router and another network, select a number from the Select

Entry drop-down list. (A static route is a pre-determined pathway that network information must travel to reach a

specific host or network.) Enter the information described below to set up a new static route. (Clicking the

Delete

Entry

will delete a static route.)

Destination IP Address. The Destination LAN IP is the address of the remote network or host to which you want

to assign a static route.

Subnet Mask. The Subnet Mask determines which portion of a Destination LAN IP address is the network

portion, and which portion is the host portion.

Gateway. This is the IP address of the gateway device that allows for contact between the Router and the

remote network or host.

Hop Count. This determines the maximum number of steps between network nodes that data packets will

travel. A node is any router in the path to the remote network.

Interface. This interface tells you whether the Destination IP Address is on the

Local

(Ethernet and wireless

networks) or the

Internet

.

Figure 5-11: Setup Tab - Advanced Routing

Figure 5-12: Setup Tab - Routing Table

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Chapter 5: Configuring the Wireless-B Broadband Router

The Wireless Tab - Basic Wireless Settings

Wireless-B Broadband Router

Click the

Show Routing Table

button to view the Static Routes you’ve already set up. For each route, the

Destination IP address, Subnet Mask, Gateway, and Interface are displayed . Click the

Refresh

button to update the

information.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

The Wireless Tab - Basic Wireless Settings

The basic settings for wireless networking are set on this screen.

Wireless Network Name (SSID). The SSID is the network name shared among all points in a wireless network.

The SSID must be identical for all points in the wireless network. It is case-sensitive and must not exceed 32

characters (use any of the characters on the keyboard). Make sure this setting is the same for all points in your

wireless network. For added security, you should change the default SSID (linksys) to a unique name.

Wireless Channel. Select the appropriate channel from the list provided to correspond with your network

settings. All devices in your wireless network must be broadcast on the same channel in order to function

correctly.

Wireless SSID Broadcast. When wireless clients survey the local area for wireless networks to associate with,

they will detect the SSID broadcast by the Router. To broadcast the Router's SSID, keep the default setting,

Enabled

. If you do not want to broadcast the Router's SSID, then select

Disabled

.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

Figure 5-13: Wireless Tab - Basic Wireless Settings

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Chapter 5: Configuring the Wireless-B Broadband Router

The Wireless Tab - Wireless Security

Wireless-B Broadband Router

The Wireless Tab - Wireless Security

The Wireless Security settings configure the security of your wireless network. Click the radio button next to

Enable

to enable Wireless Security before choosing your options. Click the radio button next to

Disable

if you

need to disable Wireless Security.

There are four wireless security mode options supported by the Router, WPA, RADIUS, and WEP. These four are

briefly discussed here.

WPA Pre-Shared Key. WPA provides the TKIP encryption method, with dynamic encryption keys. Enter a Pre-

Shared key of 8-32 characters, and enter a Group Key Renewal period, which instructs the Router how often it

should change the encryption keys.

WPA Radius. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS server is

connected to the Router.) Enter the RADIUS server’s IP Address and port number, along with a key shared

between the Router and the server. Then, enter a Group Key Renewal period, which instructs the Router how

often it should change the encryption keys.

Radius. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is

connected to the Router.) First, enter the RADIUS server’s IP Address and port number, along with a key shared

between the Router and the server. Then, select a level of WEP encryption, and either generate a WEP key

through the Passphrase or select a WEP key and a enter the WEP key manually.

•

WEP Encryption Level. An acronym for Wired Equivalent Privacy, WEP is an encryption method used to protect

your wireless data communications. WEP uses 64-bit or 128-bit keys to provide access control to your

network and encryption security for every data transmission. To decode data transmissions, all devices in a

network must use an identical WEP key. Higher encryption levels offer higher levels of security, but due to the

complexity of the encryption, they may decrease network performance. To enable WEP, select

64 bits (10

hex digits)

or

128 bits (26 hex digits)

. To disable WEP encryption, keep the default setting,

No Encryption

.

•

Passphrase. Instead of manually entering WEP keys, you can enter a passphrase. This passphrase is used to

generate one or more WEP keys. It is case-sensitive and should not be longer than 31 alphanumeric

characters. (This Passphrase function is compatible with Linksys wireless products only and cannot be used

with Windows XP Zero Configuration. If you want to communicate with non-Linksys wireless products or

Windows XP Zero Configuration, make a note of the WEP key generated in the Key 1 field, and enter it

manually in the wireless client.) After you enter the Passphrase, click the

Generate

button to create WEP

keys.

Figure 5-14: WPA Pre-Shared Key

Figure 5-15: WPA Radius

Figure 5-16: Wireless Tab - Radius

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Chapter 5: Configuring the Wireless-B Broadband Router

The Wireless Tab - Wireless Security

Wireless-B Broadband Router

•

Default Key. Select which WEP key (1-4) will be used when the Gateway sends data. Make sure that the

receiving device (wireless client) is using the same key.

•

WEP Keys 1-4. WEP keys enable you to create an encryption scheme for wireless network transmissions. If

you are not using a Passphrase, then manually enter a set of values. (Do not leave a key field blank, and do

not enter all zeroes; they are not valid key values.) If you are using 64-bit WEP encryption, the key must be

exactly 10 hexadecimal characters in length. If you are using 128-bit WEP encryption, the key must be exactly

26 hexadecimal characters in length. Valid hexadecimal characters are “0”-“9” and “A”-“F”.

WEP. WEP is a basic encryption method, not as secure as WPA. To use WEP, select a level of WEP encryption, and

either generate a WEP key through the Passphrase or select a WEP key and a enter the WEP key manually.

•

WEP Encryption Level. An acronym for Wired Equivalent Privacy, WEP is an encryption method used to protect

your wireless data communications. WEP uses 64-bit or 128-bit keys to provide access control to your

network and encryption security for every data transmission. To decode data transmissions, all devices in a

network must use an identical WEP key. Higher encryption levels offer higher levels of security, but due to the

complexity of the encryption, they may decrease network performance. To enable WEP, select

64 bits (10

hex digits)

or

128 bits (26 hex digits)

. To disable WEP encryption, keep the default setting,

No Encryption

.

•

Passphrase. Instead of manually entering WEP keys, you can enter a passphrase. This passphrase is used to

generate one or more WEP keys. It is case-sensitive and should not be longer than 31 alphanumeric

characters. (This Passphrase function is compatible with Linksys wireless products only and cannot be used

with Windows XP Zero Configuration. If you want to communicate with non-Linksys wireless products or

Windows XP Zero Configuration, make a note of the WEP key generated in the Key 1 field, and enter it

manually in the wireless client.) After you enter the Passphrase, click the

Generate

button to create WEP

keys.

•

Default Key. Select which WEP key (1-4) will be used when the Gateway sends data. Make sure that the

receiving device (wireless client) is using the same key.

•

WEP Keys 1-4. WEP keys enable you to create an encryption scheme for wireless network transmissions. If

you are not using a Passphrase, then manually enter a set of values. (Do not leave a key field blank, and do

not enter all zeroes; they are not valid key values.) If you are using 64-bit WEP encryption, the key must be

exactly 10 hexadecimal characters in length. If you are using 128-bit WEP encryption, the key must be exactly

26 hexadecimal characters in length. Valid hexadecimal characters are “0”-“9” and “A”-“F”.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

Figure 5-17: Wireless Tab - WEP

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19

Chapter 5: Configuring the Wireless-B Broadband Router

The Wireless Tab - Wireless Network Access

Wireless-B Broadband Router

The Wireless Tab - Wireless Network Access

Wireless network access can be filtered by using the MAC addresses of the wireless devices transmitting within

your network’s radius.

Wireless Network Access. If you select

Allow All

, all computers will be allowed access to the wireless network.

To restrict access to the network, select

Restrict Access

. Click the

Wireless Client MAC Address

button, and

the Wireless Client MAC list will appear.

Select the

MAC Address

from the list

and click the

Select

box, then click the

Select

button.

Click the

Refresh

button if you want to refresh the screen. Click the

Close

button to return to the previous screen.

When finished making your changes on this tab, click the

Save Settings

button to save these changes, or click

the

Cancel Changes

button to undo your changes.

Figure 5-18: Wireless Tab - Wireless Network Access

Figure 5-19: Wireless Tab - Wireless Client MAC List

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