ZyXEL Communications P8701T Guia do Utilizador descarregar pdf (Página 180)

Chapter 14 Wireless

Basic Home Station VDSL2 P8701T User’s Guide

180

Network

Authentication

Use the strongest authentication method that the wireless clients all support.

WPA2 or WPA uses an external RADIUS server to authenticate a separate user name

and password for each user. While WPA2 offers the strongest security, more wireless

clients support WPA.

Mixed WPA2/WPA supports WPA and WPA2 simultaneously.

WPA2-PSK or WPA-PSK uses a common password for all clients. While WPA2-PSK offers

stronger security, more wireless clients support WPA-PSK.

Mixed WPA2/WPA -PSK supports WPA2-PSK and WPA-PSK simultaneously.

Choose Open to allow all wireless connections without authentication.

WPA2

Preauthentication

This field displays when you select WPA2 or Mixed WPA2/WPA.

Enable pre-authentication for fast roaming by allowing a wireless client already connected

to an AP to perform IEEE 802.1x authentication with another AP before connecting to it.

Network Re-auth

Interval

This field displays when you select WPA2 or Mixed WPA2/WPA.

Specify how often wireless stations have to resend usernames and passwords in order to

stay connected. If wireless station authentication is done using a RADIUS server, the

reauthentication timer on the RADIUS server has priority.

WPA Group Rekey

Interval

Set the rate at which the AP (if using WPA(2)-PSK key management) or RADIUS server (if

using WPA(2) key management) sends a new group key out to all clients. The re-keying

process is the WPA(2) equivalent of automatically changing the WEP key for an AP and all

stations in a WLAN on a periodic basis.

RADIUS Server IP

Address

Enter the IP address of the external authentication server in dotted decimal notation.

RADIUS Port Enter the port number of the external authentication server. The default port number is

1812. You need not change this value unless your network administrator instructs you to

do so with additional information.

RADIUS Key Enter a password (up to 31 alphanumeric characters) as the key to be shared between

the external RADIUS server and the VDSL Router. The key must be the same on the

RADIUS server and your VDSL Router. The key is not sent over the network.

WPA/WAPI

Encryption

Select the encryption type (AES or TKIP+AES) for data encryption.

Select AES if your wireless clients can all use AES.

Select TKIP+AES to allow the wireless clients to use either TKIP or AES.

Generate

password

automatically

This field displays when you select WPA(2)-PSK.

Select this option to have the VDSL Router automatically generate a password. The

password field becomes read-only.

WPA/WAPI

passphrase

This field displays when you select WPA(2)-PSK.

Enter 16 to 63 alphanumeric characters (0-9, A-Z, with no spaces). It must contain both

letters and numbers and is case-sensitive. Click the link to display the password.

WEP Encryption This field displays when you set Network Authentication to Open. Enable WEP

encryption to scramble the wireless data transmissions between the wireless stations and

the access points (AP) to keep network communications private. Both the wireless

stations and the access points must use the same WEP key.

Note: WEP is extremely insecure. Attackers can break it using widely-available software. It

is strongly recommended that you use a more effective security mechanism.

Encryption

Strength

If you are using WEP encryption, select 64-bit or 128-bit to set the length of the

encryption key.

Table 66 Wireless: Security

LABEL DESCRIPTION

1 2 ... 175 176 177 178 179 180 181 182 183 184 185 ... 239 240

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