Linksys WAG160N Router Manual PDF (Setup & Configuration Guide)

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Chapter±4

Advanced Configuration

²2

W±reless-N ADSL2+ Gateway

Security Mode > WPA2-Enterprise

Encrypt±on

The method is

TKIP or AES

RADIUS Server

Enter the IP address of the RADIUS server.

RADIUS Port

Enter the port number of the RADIUS server.

Shared Key

Enter the key shared between the device

and its RADIUS server.

Key Renewal

Enter the Key Renewal period, which tells

the device how often it should change the dynamic

encryption keys.

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

WPA-Enterprise (WPA2-Enterprise recommended)

WPA-Enterprise features WPA used with a RADIUS server.

(This method should only be used when the device is

connected to a RADIUS server.)

Security Mode > WPA-Enterprise

Encrypt±on.

The method is

TKIP or AES

RADIUS Server

Enter the RADIUS server’s IP address.

RADIUS Port

Enter the RADIUS server’s port number.

Shared Key

Enter the key shared between the device

and its RADIUS server.

Key Renewal

Enter the Key Renewal period, which tells

the device how often it should change the dynamic

encryption keys.

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

RADIUS (WPA2-Enterprise recommended)

Security Mode > RADIUS

This option features WEP used in coordination with a

RADIUS server. (This should only be used when a RADIUS

server is connected to the device.)

RADIUS Server

Enter the IP address of the RADIUS

server.

RADIUS Port

Enter the port number of the RADIUS

server.

Shared Key

Enter the key shared between the device

and its RADIUS server.

Encrypt±on

Select the appropriate level of encryption,

40/64-b±t (²0 hex d±g±ts)

²04/²28-b±t (26 hex d±g±ts)

A higher level of encryption is more secure.

Passphrase

Instead of manually entering WEP keys, you

can enter a Passphrase. It is case-sensitive and should not be

longer than 32 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 keys generated, and enter the appropriate one

manually in the wireless computer or client.) If you want

to use a Passphrase, then enter it in the Passphrase field

and click the

Generate

button.

Keys ²-4

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 40/64-bit WEP encryption, the key must be

exactly 10 hexadecimal characters in length. If you are

using 104/128-bit WEP encryption, the key must be exactly

26 hexadecimal characters in length. Valid hexadecimal

characters are “0”-“9” and “A”-“F”.

TX Key

To indicate which WEP key to use, select a default

Transmit (TX) Key number.

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Page 17 / 41

Chapter±4

Advanced Configuration

²3

W±reless-N ADSL2+ Gateway

WEP (

WPA2-Personal recommended

)

Security Mode > WEP

Encrypt±on

Select a level of WEP encryption,

64-b±t

²28-b±t

Passphrase

Enter a Passphrase to automatically generate

WEP keys. Then click

Generate

NOTE:

The WEP Passphrase is compatible with

Linksys wireless products only. If you are use non-

Linksys products, manually enter the appropriate

WEP key on those devices.

Key ²-4

If you did not enter a Passphrase, enter the WEP

key(s) manually.

TX Key

Select which TX (Transmit) Key to use. The default

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Wireless > Wireless MAC Filter

Wireless access can be filtered by using the MAC addresses

of the wireless devices transmitting within your network’s

radius.

Wireless > Wireless MAC Filter

Wireless MAC Filter

To filter wireless users by MAC Address, either permitting

or blocking access, click

Enable.

If you do not wish to filter

users by MAC Address, select

D±sable

Access Restrictions

Block

Click this button to block wireless access from the

devices listed on this screen.

Perm±t

Click this button to allow wireless access by the

devices listed on this screen.

MAC Address Filter List

Click

W±reless Cl±ent L±st

to display the

Wireless Client List

screen. This screen lists the computers and other devices

on the wireless network sorted by IP address. You can also

sort the list by Client Name, Interface, MAC Address, or

Status, by using the

To Sort By

drop-down menu.

Page 18 / 41

Chapter±4

Advanced Configuration

²4

W±reless-N ADSL2+ Gateway

Wireless Client List

To add a device to the MAC Address Filter List, click the

device’s

Add to MAC F±lter L±st

checkbox, then click

Add

. To retrieve the most up-to-date information, click

Refresh

. To exit this screen and return to the

Wireless MAC

Filter

screen, click

MAC 0²-³0

Enter the MAC addresses of the devices

whose wireless access you want to block or allow.

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Wireless > Advanced Wireless Settings

The

Advanced Wireless Settings

screen is used to set up the

Gateway’s advanced wireless functions. These settings

should only be adjusted by an expert administrator as

incorrect settings can reduce wireless performance.

Wireless > Advanced Wireless Settings

Advanced Wireless

AP Isolat±on

This isolates all wireless clients and wireless

devices on your network from each other. Wireless devices

will be able to communicate with the Gateway but not

with each other. To use this function, click

Enable

. AP

Isolation is disabled by default.

Authent±cat±on Type

The default is

Auto

, which allows

either Open System or Shared Key authentication to be

used. With Open System authentication, the sender and

the recipient do NOT use a WEP key for authentication.

With Shared Key authentication, the sender and recipient

use a WEP key for authentication. Select

Shared Key

only use Shared Key authentication.

Bas±c Rate

The Basic Rate setting is not actually one rate

of transmission but a series of rates at which the device

can transmit. The device will advertise its Basic Rate to the

other wireless devices in your network, so they know which

rates will be used. The device will also advertise that it will

automatically select the best rate for transmission. The

default setting is

Default

, when the device can transmit

at all standard wireless rates (1-2Mbps, 5.5Mbps, 11Mbps,

18Mbps, and 24Mbps). Other options are

²-2Mbps

, for use

with older wireless technology, and

All

, when the device

can transmit at all wireless rates.

Transm±ss±on Rate

The rate of data transmission should

be set depending on the speed of your wireless network.

You can select from a range of transmission speeds, or you

can select

Auto

to have the device automatically use the

fastest possible data rate and enable the Auto-Fallback

feature. Auto-Fallback will negotiate the best possible

connection speed between the device and a wireless

client. The default setting is

Auto

N Transm±ss±on Rate

The rate of data transmission

should be set depending on the speed of your Wireless-N

networking. You can select from a range of transmission

speeds, or you can select

Auto

to have the device

automatically use the fastest possible data rate and enable

the Auto-Fallback feature. Auto-Fallback will negotiate the

best possible connection speed between the device and a

wireless client. The default setting is

Auto

CTS Protect±on Mode

CTS (Clear-To-Send) Protection

Mode’s default setting is

D±sable

. Select

Auto

so the device

will automatically use CTS Protection Mode when your

Wireless-N and Wireless-G products are experiencing severe

problems and are not able to transmit to the device in an

environment with heavy 802.11b traffic. This function boosts

the device’s ability to catch all Wireless-N and Wireless-G

transmissions but will severely decrease performance.

Beacon Interval

Enter a value between 1 and 65,535

milliseconds. The Beacon Interval value indicates the

frequency interval of the beacon. A beacon is a packet

broadcast by the Gateway to synchronize the wireless

network(s). The default value is

²00

DTIM Interval

This value, between 1 and 255, indicates

the interval of the Delivery Traffic Indication Message

(DTIM). A DTIM field is a countdown field informing

clients of the next window for listening to broadcast and

multicast messages. When the Gateway has buffered

broadcast or multicast messages for associated clients, it

sends the next DTIM with a DTIM Interval value. Its clients

hear the beacons and awaken to receive the broadcast

and multicast messages. The default value is

Fragmentat±on

Threshold

This

value

specifies

the

maximum size for a packet before data is fragmented

Page 19 / 41

Chapter±4

Advanced Configuration

²³

W±reless-N ADSL2+ Gateway

into multiple packets. If you experience a high packet

error rate, you may slightly increase the Fragmentation

Threshold. Setting the Fragmentation Threshold too low

may result in poor network performance. Only minor

reduction of the default value is recommended. In most

cases, it should remain at its default value of

2346

RTS

Threshold

Should

you

encounter

inconsistent

data flow, only minor reduction of the default,

2346

, is

recommended. If a network packet is smaller than the

preset RTS threshold size, the RTS/CTS mechanism will

not be enabled. The Gateway sends Request to Send (RTS)

frames to a particular receiving station and negotiates

the sending of a data frame. After receiving an RTS, the

wireless station responds with a Clear to Send (CTS) frame

to acknowledge the right to begin transmission. The RTS

Threshold value should remain at its default value of

2346

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Security > Firewall

The

Firewall

screen is used to configure a firewall that

can filter out various types of unwanted traffic on the

Gateway’s local network.

Security > Firewall

Firewall

SPI F±rewall Protect±on

To use firewall protection,

keep the default selection,

Enable

. To turn off firewall

protection, select

D±sable

Filters

F±lter Proxy

Use of WAN proxy servers may compromise

the Gateway’s security. Denying Proxy will disable access

to any WAN proxy servers. Select

F±lter Proxy

to enable

proxy filtering. Deselect the feature to allow proxy access

F±lter Java Applets

Java is a programming language for

websites. If you deny Java, you run the risk of not having

access to Internet sites created using this programming

language. Select

F±lter Java Applets

to enable Java

filtering. Deselect the feature to allow Java usage

F±lter Cook±es

A cookie is data stored on your computer

and used by Internet sites when you interact with them.

Select

F±lter Cook±es

to filter cookies. Deselect the feature

to allow cookie usage

F±lter Act±veX

ActiveX is a programming language for

websites. If you deny ActiveX, you run the risk of not having

access to Internet sites created using this programming

language. Select

F±lter Act±veX

to enable ActiveX filtering.

Deselect the feature to allow ActiveX usage

Block WAN Requests

Block

Anonymous

Internet

Requests

This

feature

makes it more difficult for outside users to work their way

into your network. This feature is selected

by default.

Deselect the feature to allow anonymous Internet requests.

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Security > VPN Passthrough

The

VPN Passthrough

screen allows you to enable VPN

tunnels using IPSec, PPTP, or L2TP protocols to pass through

the Gateway’s firewall.

Security > VPN Passthrough

VPN Passthrough

IPSec Passthrough

Internet Protocol Security (IPSec) is

a suite of protocols used to implement secure exchange

of packets at the IP layer. To allow IPSec tunnels to pass

through the Gateway, keep the default,

Enable

PPTP Passthrough

Point-to-Point Tunneling Protocol

(PPTP) allows the Point-to-Point Protocol (PPP) to be

tunneled through an IP network. To allow PPTP tunnels to

pass through the Gateway, keep the default,

Enable

L2TP Passthrough

Layer 2 Tunneling Protocol is the

method used to enable Point-to-Point sessions via the

Internet on the Layer 2 level. To allow L2TP tunnels to pass

through the Gateway, keep the default,

Enable

Click

Save Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Page 20 / 41

Chapter±4

Advanced Configuration

²6

W±reless-N ADSL2+ Gateway

Access Restrictions > Internet Access Policy

The

Internet Access Policy

screen allows you to block or

allow specific kinds of Internet usage and traffic, such as

Internet access, designated services, and websites during

specific days and times.

Access Restrictions > Internet Access Policy

Internet Access Policy

Internet Access Pol±cy

Access can be managed by a

policy. Use the settings on this screen to establish an

access policy (after

Save Sett±ngs

is clicked). Selecting a

policy from the drop-down menu will display that policy’s

settings. To delete a policy, select that policy’s number

and click

Delete

. To view all the policies, click

Summary

The policies are listed with the following information: No.,

Policy Name, Days, and Time of Day. To delete a policy,

select

Delete

. To return to the

Internet Access Policy

screen,

click

Summary

Status

Policies are disabled by default. To enable a policy,

select its number from the drop-down menu, and select

Enable

To create a policy, follow steps 1-10. Repeat these steps to

create additional policies, one at a time.

Select a number from the

Internet Access Policy

drop-

down menu.

To enable this policy, select

Enable

Enter a Policy Name in the field provided.

Click

Ed±t L±st of Computers

to select which computers

will be affected by the policy. The

Internet Access PC List

screen appears. You can select a computer by MAC

address or IP address. You can also enter a range of

IP addresses if you want this policy to affect a group

of computers. After making your changes, click

Save

Sett±ngs

to apply your changes, or click

Cancel

Changes

to cancel your changes. Then click

Internet Access PC List

Specify the Access Restriction to apply to the computers

you selected in step 4. Select

Deny

to block Internet

access, or

Allow

to allow Internet access.

Specify when this policy will be in effect. Select the

days: individual days of the week, or

Every Day

. Then

select the time span within each day: specific start and

end times using the

From

and

fields, or

24 Hours

To block websites by URL address, enter each URL in a

separate

Website Blocking by URL Address

field.

To block websites using keywords, enter each keyword

in a separate

Website Blocking by Keyword

field.

You can filter access to various services accessed over

the Internet, such as FTP or telnet. From the

Blocked

Services

list, select the service you want to block; the

port numbers and protocol for the selected service are

automatically displayed. If the service you want is not

listed, select

User-Def±ned

; enter its port numbers in

the fields provided; then select its protocol:

ICMP

TCP

UDP

, or

TCP & UDP

from the drop-down menu.

Click

Save Sett±ngs

to save the policy’s settings. To

cancel the policy’s settings, click

Cancel Changes

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