ZyXEL NBG420N Manuel d'utilisateur télécharger pdf (Page 101)

Chapter 7 Wireless LAN

NBG420N User’s Guide

101

7.6 MAC Filter

The MAC filter screen allows you to configure the NBG420N to give exclusive access to up to

32 devices (Allow) or exclude up to 32 devices from accessing the NBG420N (Deny). Every

Ethernet device has a unique MAC (Media Access Control) address. The MAC address is

assigned at the factory and consists of six pairs of hexadecimal characters, for example,

00:A0:C5:00:00:02. You need to know the MAC address of the devices to configure this

screen.

To change your NBG420N’s MAC filter settings, click Network > Wireless LAN > MAC

Filter. The screen appears as shown.

Group Key Update

Timer

The Group Key Update Timer is the rate at which the AP (if using WPA-PSK/

WPA2-PSK key management) or RADIUS server (if using WPA/WPA2 key

management) sends a new group key out to all clients. The re-keying process is

the WPA/WPA2 equivalent of automatically changing the WEP key for an AP and

all stations in a WLAN on a periodic basis. Setting of the Group Key Update

Timer is also supported in WPA-PSK/WPA2-PSK mode. The NBG420N default

is 1800 seconds (30 minutes).

Authentication Server

IP Address Enter the IP address of the external authentication server in dotted decimal

notation.

Port Number 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.

Shared Secret Enter a password (up to 31 alphanumeric characters) as the key to be shared

between the external authentication server and the NBG420N.

The key must be the same on the external authentication server and your

NBG420N. The key is not sent over the network.

Accounting Server

Active Select Yes from the drop down list box to enable user accounting through an

external authentication server.

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

Port Number Enter the port number of the external accounting server. The default port number

is 1813.

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

to do so with additional information.

Shared Secret Enter a password (up to 31 alphanumeric characters) as the key to be shared

between the external accounting server and the NBG420N.

The key must be the same on the external accounting server and your

NBG420N. The key is not sent over the network.

Apply Click Apply to save your changes back to the NBG420N.

Reset Click Reset to reload the previous configuration for this screen.

Table 33 Network > Wireless LAN > General: WPA/WPA2

LABEL DESCRIPTION

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 ... 339 340

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ZyXEL NBG420N Manuel d'utilisateur Page 101

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