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Chapter 7 Wireless
VMG1312-B Series User’s Guide
96
The following table describes the general wireless LAN labels in this screen.
Table 16
Network Setting > Wireless > General
LABEL
DESCRIPTION
Wireless Network Setup
Wireless
You can
Enable
or
Disable
the wireless LAN in this field.
Band
This shows the wireless band which this radio profile is using.
2.4GHz
is the frequency used
by IEEE 802.11b/g/n wireless clients.
Channel
Use
Auto
to have the Device automatically determine a channel to use.
more.../less
Click
more...
to show more information. Click
less
to hide them.
Bandwidth
Select whether the Device uses a wireless channel width of
20MHz
or
40MHz
.
A standard 20MHz channel offers transfer speeds of up to 150Mbps whereas a 40MHz
channel uses two standard channels and offers speeds of up to 300 Mbps.
40MHz (channel bonding or dual channel) bonds two adjacent radio channels to increase
throughput. The wireless clients must also support 40 MHz. It is often better to use the 20
MHz setting in a location where the environment hinders the wireless signal.Select
20MHz
if
you want to lessen radio interference with other wireless devices in your neighborhood or
the wireless clients do not support channel bonding.
Control
Sideband
This is available for some regions when you select a specific channel and set the Bandwidth
field to
40MHz
. Set whether the control channel (set in the
Channel
field) should be in the
Lower
or
Upper
range of channel bands.
Passphrase
Type
If you set security for the wireless LAN and have the Device generate a password, the
setting in this field determines how the Device generates the password.
Select
None
to set the Device’s password generation to not be based on a passphrase.
Select
Fixed
to use a 16 character passphrase for generating a password.
Select
Variable
to use a 16 to 63 character passphrase for generating a password.
Passphrase Key
For a fixed type passphrase enter 16 alphanumeric characters (0-9, A-Z, with no spaces). It
must contain both letters and numbers and is case-sensitive.
For a variable type passphrase enter 16 to 63 alphanumeric characters (0-9, A-Z, with no
spaces). It must contain both letters and numbers and is case-sensitive.
Wireless Network Settings
Wireless
Network Name
(SSID)
The SSID (Service Set IDentity) identifies the service set with which a wireless device is
associated. Wireless devices associating to the access point (AP) must have the same SSID.
Enter a descriptive name (up to 32 English keyboard characters) for the wireless LAN.
Max clients
Specify the maximum number of clients that can connect to this network at the same time.
Hide SSID
Select this check box to hide the SSID in the outgoing beacon frame so a station cannot
obtain the SSID through scanning using a site survey tool.
Enhanced
Multicast
Forwarding
Select this check box to allow the Device to convert wireless multicast traffic into wireless
unicast traffic.
Max. Upstream
Bandwidth
Specify the maximum rate for upstream wireless traffic to the WAN from this WLAN in
kilobits per second (Kbps).
Max.
Downstream
Bandwidth
Specify the maximum rate for downstream wireless traffic to this WLAN from the WAN in
kilobits per second (Kbps).
BSSID
This shows the MAC address of the wireless interface on the Device when wireless LAN is
enabled.
Security Level
Page 97 / 331
Chapter 7 Wireless
VMG1312-B Series User’s Guide
97
7.2.1
No Security
Select
No Security
to allow wireless stations to communicate with the access points without any
data encryption or authentication.
Note: If you do not enable any wireless security on your Device, your network is
accessible to any wireless networking device that is within range.
Figure 32
Wireless > General: No Security
The following table describes the labels in this screen.
7.2.2
Basic (WEP Encryption)
WEP encryption scrambles the data transmitted 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. Its encryption can be broken by an attacker, using
widely-available software. It is strongly recommended that you use a more
effective security mechanism. Use the strongest security mechanism that all the
wireless devices in your network support. For example, use WPA-PSK or WPA2-PSK
if all your wireless devices support it, or use WPA or WPA2 if your wireless devices
support it and you have a RADIUS server. If your wireless devices support nothing
stronger than WEP, use the highest encryption level available.
Your Device allows you to configure up to four 64-bit or 128-bit WEP keys but only one key can be
enabled at any one time.
Security Mode
Select
Basic (WEP, 802.1X)
or
More Secure (WPA(2)-PSK)
to add security on this
wireless network. The wireless clients which want to associate to this network must have
same wireless security settings as the Device. When you select to use a security, additional
options appears in this screen.
Or you can select
No Security
to allow any client to associate this network without any data
encryption or authentication.
See the following sections for more details about this field.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to restore your previously saved settings.
Table 16
Network Setting > Wireless > General (continued)
LABEL
DESCRIPTION
Table 17
Wireless > General: No Security
LABEL
DESCRIPTION
Security Level
Choose
No Security
to allow all wireless connections without data encryption or
authentication.
Page 98 / 331
Chapter 7 Wireless
VMG1312-B Series User’s Guide
98
In order to configure and enable WEP encryption, click
Network
Setting
>
Wireless
to display the
General
screen, then select
Basic
as the security level.
Figure 33
Wireless > General: Basic (WEP)
The following table describes the labels in this screen.
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.
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.
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 99 / 331
Chapter 7 Wireless
VMG1312-B Series User’s Guide
99
Figure 34
Wireless > General: More Secure: WPA(2)-PSK
The following table describes the labels in this screen.
7.3
The Guest / More AP Screen
This screen allows you to enable and configure multiple Basic Service Sets (BSSs) on the Device.
Click
Network Setting > Wireless
> Guest /
More AP
. The following screen displays.
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.
Encryption
Select the encryption type (
TKIP
,
AES
or
TKIP+AES
) for data encryption.
Select
TKIP
if your wireless clients can all use TKIP.
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.
Page 100 / 331
Chapter 7 Wireless
VMG1312-B Series User’s Guide
100
Figure 35
Network Setting > Wireless > Guest / More AP
The following table describes the labels in this screen.
7.3.1
Edit Guest / More AP
Use this screen to edit an SSID profile. Click the
Edit
icon next to an SSID in the
Guest / More AP
screen. The following screen displays.
Table 20
Network Setting > Wireless > Guest / 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.
Guest WLAN
This displays if the guest WLAN function has been enabled for this WLAN.
If
Home Guest
displays, clients can connect to each other directly.
If
External Guest
displays, clients are blocked from connecting to each other directly.
N/A
displays if guest WLAN is disabled.
Modify
Click the
Edit
icon to configure the SSID profile.

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