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Page 106 / 150 Scroll up to view Page 101 - 105
Chapter 7 Wireless
VMG4381-B10A User’s Guide
106
Figure 32
Wireless > General: Basic (WEP)
The following table describes the labels in this screen.
Table 18
Wireless > General: Basic (WEP)
LABEL
DESCRIPTION
Security Level
Select
Basic
to enable WEP data encryption.
Generate
password
automatically
Select this option to have the Device automatically generate a password. The password field
will not be configurable when you select this option.
Password 1~4
The password (WEP keys) are used to encrypt data. Both the Device and the wireless
stations must use the same password (WEP key) for data transmission.
If you chose
64-bit
WEP, then enter any 5 ASCII characters or 10 hexadecimal characters
("0-9", "A-F").
If you chose
128-bit
WEP, then enter 13 ASCII characters or 26 hexadecimal characters
("0-9", "A-F").
You must configure at least one password, only one password can be activated at any one
time. The default password is
Passowrd 1
.
more.../less
Click
more...
to show more fields in this section. Click
less
to hide them.
WEP Encryption
Select
64-bits
or
128-bits
.
This dictates the length of the security key that the network is going to use.
Page 107 / 150
Chapter 7 Wireless
VMG4381-B10A User’s Guide
107
7.2.3
More Secure (WPA(2)-PSK)
The WPA-PSK security mode provides both improved data encryption and user authentication over
WEP. Using a Pre-Shared Key (PSK), both the Device and the connecting client share a common
password in order to validate the connection. This type of encryption, while robust, is not as strong
as WPA, WPA2 or even WPA2-PSK. The WPA2-PSK security mode is a newer, more robust version of
the WPA encryption standard. It offers slightly better security, although the use of PSK makes it
less robust than it could be.
Click
Network Setting
>
Wireless
to display the
General
screen. Select
More Secure
as the
security level. Then select
WPA-PSK
or
WPA2-PSK
from the
Security Mode
list.
Figure 33
Wireless > General: More Secure: WPA(2)-PSK
The following table describes the labels in this screen.
Table 19
Wireless > General: More Secure: WPA(2)-PSK
LABEL
DESCRIPTION
Security Level
Select
More Secure
to enable WPA(2)-PSK data encryption.
Security Mode
Select
WPA-PSK
or
WPA2-PSK
from the drop-down list box.
Generate
password
automatically
Select this option to have the Device automatically generate a password. The password field
will not be configurable when you select this option.
Password
The encryption mechanisms used for WPA(2) and WPA(2)-PSK are the same. The only
difference between the two is that WPA(2)-PSK uses a simple common password, instead of
user-specific credentials.
If you did not select
Generate password automatically
, you can manually type a pre-
shared key from 8 to 64 case-sensitive keyboard characters.
more.../less
Click
more...
to show more fields in this section. Click
less
to hide them.
WPA-PSK
Compatible
This field appears when you choose
WPA-PSK2
as the
Security Mode
.
Check this field to allow wireless devices using
WPA-PSK
security mode to connect to your
Device. The Device supports WPA-PSK and WPA2-PSK simultaneously.
Page 108 / 150
Chapter 7 Wireless
VMG4381-B10A User’s Guide
108
7.2.4
WPA(2) Authentication
The WPA2 security mode is currently the most robust form of encryption for wireless networks. It
requires a RADIUS server to authenticate user credentials and is a full implementation the security
protocol. Use this security option for maximum protection of your network. However, it is the least
backwards compatible with older devices.
The WPA security mode is a security subset of WPA2. It requires the presence of a RADIUS server
on your network in order to validate user credentials. This encryption standard is slightly older than
WPA2 and therefore is more compatible with older devices.
Click
Network Setting
>
Wireless
to display the
General
screen. Select
More Secure
as the
security level. Then select
WPA
or
WPA2
from the
Security Mode
list.
Figure 34
Wireless > General: More Secure: WPA(2)
The following table describes the labels in this screen.
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.
Group Key
Update Timer
The
Group Key Update Timer
is the rate at which the RADIUS
server sends a new group
key out to all clients.
Table 19
Wireless > General: More Secure: WPA(2)-PSK (continued)
LABEL
DESCRIPTION
Table 20
Wireless > General: More Secure: WPA(2)
LABEL
DESCRIPTION
Security Level
Select
More Secure
to enable WPA(2)-PSK data encryption.
Security Mode
Choose
WPA
or
WPA2
from the drop-down list box.
Authentication Server
IP Address
Enter the IP address of the external authentication server in dotted decimal notation.
Page 109 / 150
Chapter 7 Wireless
VMG4381-B10A User’s Guide
109
7.3
The More AP Screen
This screen is not applicable to VMG4381.
This screen allows you to enable and configure multiple Basic Service Sets (BSSs) on the Device.
Click
Network Setting > Wireless
>
More AP
. The following screen displays.
Figure 35
Network Setting > Wireless > More AP
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 Device.
The key must be the same on the external authentication server and your Device. The key is
not sent over the network.
more.../less
Click
more...
to show more fields in this section. Click
less
to hide them.
WPA
Compatible
This field is only available for WPA2. Select this if you want the Device to support WPA and
WPA2 simultaneously.
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.
WPA2 Pre-
Authentication
This field is available only when you select
WPA2
.
Pre-authentication enables fast roaming by allowing the wireless client (already connecting
to an AP) to perform IEEE 802.1x authentication with another AP before connecting to it.
Select
Enabled
to turn on preauthentication in WAP2. Otherwise, select
Disabled
.
Network Re-
auth Interval
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.
Group Key
Update Timer
The
Group Key Update Timer
is the rate at which the RADIUS
server sends a new group
key out to all clients.
Table 20
Wireless > General: More Secure: WPA(2) (continued)
LABEL
DESCRIPTION
Page 110 / 150
Chapter 7 Wireless
VMG4381-B10A User’s Guide
110
The following table describes the labels in this screen.
7.3.1
Edit More AP
This screen is not applicable to VMG4381.
Use this screen to edit an SSID profile. Click the
Edit
icon
next to an SSID in the
More AP
screen. The following screen displays.
Figure 36
More AP: Edit
The following table describes the fields in this screen.
Table 21
Network Setting > Wireless > More AP
LABEL
DESCRIPTION
#
This is the index number of the entry.
Status
This field indicates whether this SSID is active. A yellow bulb signifies that this SSID is
active. A gray bulb signifies that this SSID is not active.
SSID
An SSID profile is the set of parameters relating to one of the Device’s BSSs. The SSID
(Service Set IDentifier) identifies the Service Set with which a wireless device is associated.
This field displays the name of the wireless profile on the network. When a wireless client
scans for an AP to associate with, this is the name that is broadcast and seen in the wireless
client utility.
Security
This field indicates the security mode of the SSID profile.
Modify
Click the
Edit
icon to configure the SSID profile.
Table 22
More AP: Edit
LABEL
DESCRIPTION
Wireless Network Setup
Wireless
You can
Enable
or
Disable
the wireless LAN in this field.

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