DrayTek Vigor-2930 Router Manual PDF (Setup & Configuration Guide)

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WEP (Wired Equivalent Privacy) is a legacy method to encrypt each frame transmitted via

radio using either a 64-bit or 128-bit key. Usually access point will preset a set of four keys

and it will communicate with each station using only one out of the four keys.

WPA (Wi-Fi Protected Access), the most dominating security mechanism in industry, is

separated into two categories: WPA-personal or called WPA Pre-Share Key (WPA/PSK),

and WPA-Enterprise or called WPA/802.1x.

In WPA-Personal, a pre-defined key is used for encryption during data transmission. WPA

applies Temporal Key Integrity Protocol (TKIP) for data encryption while WPA2 applies

AES. The WPA-Enterprise combines not only encryption but also authentication.

Since WEP has been proved vulnerable, you may consider using WPA for the most secure

connection. You should select the appropriate security mechanism according to your needs.

No matter which security suite you select, they all will enhance the over-the-air data

protection and /or privacy on your wireless network. The Vigor wireless router is very

flexible and can support multiple secure connections with both WEP and WPA at the same

time.

Separate the Wireless and the Wired LAN- WLAN Isolation

enables you to isolate your

wireless LAN from wired LAN for either quarantine or limit access reasons. To isolate

means neither of the parties can access each other. To elaborate an example for business use,

you may set up a wireless LAN for visitors only so they can connect to Internet without

hassle of the confidential information leakage. For a more flexible deployment, you may add

filters of MAC addresses to isolate users’ access from wired LAN.

Manage Wireless Stations - Station List

will display all the station in your wireless

network and the status of their connection.

Below shows the menu items for Wireless LAN.

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3.13.2 General Setup

By clicking the

General Settings

, a new web page will appear so that you could configure

the SSID and the wireless channel. Please refer to the following figure for more information.

Enable Wireless LAN

Check the box to enable wireless function.

Mode

At present, the router can connect to Mixed (11b+11g),

11g Only, 11b Only, Mixed (11g+11n), 11n Only and

Mixed (11b+11g+11n) stations simultaneously. Simply

choose Mix (11b+11g+11n) mode.

Index(1-15)

Set the wireless LAN to work at certain time interval

only. You may choose up to 4 schedules out of the 15

schedules pre-defined in

Applications >> Schedule

setup. The default setting of this filed is blank and the

function will always work.

Hide SSID

Check it to prevent from wireless sniffing and make it

harder for unauthorized clients or STAs to join your

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wireless LAN. Depending on the wireless utility, the user

may only see the information except SSID or just cannot

see any thing about Vigor wireless router while site

surveying. The system allows you to set four sets of

SSID for different usage. In default, the first set of SSID

will be enabled. You can hide it for your necessity.

SSID

Means the identification of the wireless LAN. SSID can

be any text numbers or various special characters. The

default SSID is "DrayTek". We suggest you to change it.

Isolate

LAN

– Check this box to make the wireless clients

(stations) with the same SSID cannot access wired

PCs on LAN.

Member

–Check this box to make the wireless

clients (stations) with the same SSID not accessing

for each other.

Channel

Means the channel of frequency of the wireless LAN.

The default channel is 6. You may switch channel if the

selected channel is under serious interference. If you have

no idea of choosing the frequency, please select Auto to

let system determine for you.

Long Preamble

This option is to define the length of the sync field in an

802.11 packet. Most modern wireless network uses short

preamble with 56 bit sync filed instead of long preamble

with 128 bit sync field. However, some original 11b

wireless network devices only support long preamble.

Check it to use

Long Preamble

if needed to

communicate with this kind of devices.

Packet-OVERDRIVE

This feature can enhance the performance in data

transmission about 40%* more (by checking

Tx Burs

t).

It is active only when both sides of Access Point and

Station (in wireless client) invoke this function at the

same time. That is, the wireless client must support this

feature and invoke the function, too.

Note:

Vigor N61 wireless adapter supports this function.

Therefore, you can use and install it into your PC for

matching with Packet-OVERDRIVE (refer to the

following picture of Vigor N61 wireless utility window,

choose

Enable

for activating TxBurst).

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Note:

* means the real transmission rate depends on the

environment of the network.

3.13.3 Security

This page allows you to set security with different modes for SSID 1, 2, 3 and 4 respectively.

After configuring the correct settings, please click

OK

to save and invoke it.

By clicking the

Security Settings

, a new web page will appear so that you could configure

the settings of WEP and WPA.

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Mode

There are several modes provided for you to choose.

Disable

- Turn off the encryption mechanism.

WEP-

Accepts only WEP clients and the encryption key should

be entered in WEP Key.

WEP/802.1x Only -

Accepts only WEP clients and the

encryption key is obtained dynamically from RADIUS server

with 802.1X protocol.

WPA/802.1x Only-

Accepts only WPA clients and the

encryption key is obtained dynamically from RADIUS server

with 802.1X protocol.

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