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Chapter 14 Wireless
Basic Home Station VDSL2 P8701T User’s Guide
181
14.4
MAC Filter
Click
Wireless network > Classic configuration > Wireless > MAC Filter
to open the
MAC
Filter
screen. This screen allows you to configure the VDSL Router to give exclusive access to
specific devices
(Allow)
or exclude specific devices from accessing the VDSL Router
(Deny)
. Every
Ethernet device has a unique MAC (Media Access Control) address assigned at the factory. It
consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02. You need to know
the MAC addresses of the devices to configure this screen.
Figure 76
Wireless > MAC Authentication
The following table describes the labels in this screen.
Current Network
Key
This field displays when you enable WEP encryption. Configure up to four 64-bit or 128-bit
WEP keys. Use this field to select which one the network uses.
Network Key 1~4
These fields display when you enable WEP encryption. WEP uses a network key to encrypt
data. The VDSL Router and wireless clients must use the same network key (password).
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.
Apply/Save
Click this button to save your changes.
Table 66
Wireless: Security
LABEL
DESCRIPTION
Table 67
Wireless > MAC Authentication
LABEL
DESCRIPTION
MAC Restrict
Mode
Define the filter action for the list of MAC addresses in the
MAC Address
table.
Select
Disabled
to turn off MAC filtering.
Select
Allow
to permit access to the VDSL Router. MAC addresses not listed will be denied
access to the VDSL Router.
Select
Deny
to block access to the VDSL Router. MAC addresses not listed will be allowed to
access the VDSL Router.
MAC Address
This displays the MAC addresses of the wireless devices that are allowed or denied access to
the VDSL Router.
Remove
Select entries and click the
Remove
button to delete them.
Add
Click this to add a new MAC address entry to the table.
Page 182 / 240
Chapter 14 Wireless
Basic Home Station VDSL2 P8701T User’s Guide
182
14.4.1
The MAC Filter Add Screen
Use this screen to add MAC address entries. Click
Wireless > MAC Filter > Add
to open the
following screen.
Figure 77
Wireless > MAC Filter > Add
The following table describes the labels in this screen.
14.5
The Advanced Screen
Click
Wireless network > Classic configuration > Wireless > Advanced
to configure
advanced wireless settings. See
Section 14.7.2 on page 186
for detailed definitions of the terms
listed in this screen.
Figure 78
Wireless: Advanced
Table 68
Wireless > MAC Filter > Add
LABEL
DESCRIPTION
MAC Address
Enter the MAC address of the wireless device that is to be allowed or denied access to the
VDSL Router. Enter the MAC addresses in a valid MAC address format, that is, six hexadecimal
character pairs, for example, 12:34:56:78:9a:bc.
Save/Apply
Click this button to save the changes and have the VDSL Router start using them.
Page 183 / 240
Chapter 14 Wireless
Basic Home Station VDSL2 P8701T User’s Guide
183
The following table describes the labels in this screen.
Table 69
Wireless: Advanced
LABEL
DESCRIPTION
Channel
Set the channel depending on your particular region.
Select a channel or use
Auto
to have the VDSL Router automatically determine a channel
to use. Changing the channel may help resolve wireless interference issues. Use a channel
as many channels away from any channels used by neighboring APs as possible. The VDSL
Router’s current channel number displays next to this field.
802.11n/EWC
Select Auto to have the VDSL Router automatically use IEEE 802.11n to connect IEEE
802.11n clients. Disable this to not use IEEE 802.11n.
Bandwidth
This displays when you set
802.11n/EWC
to
Auto
.
Select whether the VDSL Router 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 displays when you set
802.11n/EWC
to
Auto
.
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.
802.11n
Protection
This displays when you set
802.11n/EWC
to
Auto
. Select
Auto
to have the wireless
devices transmit data after a RTS/CTS handshake to help prevent collisions in mixed-mode
networks (networks with both IEEE 802.11n and IEEE 802.11g or IEEE 802.11b traffic).
Select
Off
to disable 802.11n protection. This can increase throughput in an IEEE 802.11n-
only environment although it may reduce transmission rates if your network also has IEEE
802.11G and IEEE 802.11B clients.
Multicast Rate
Select a transmission speed for wireless multicast traffic.
Fragmentation
Threshold
This is the maximum data fragment size that can be sent. Enter a value between 256 and
2346.
RTS Threshold
Data with its frame size larger than this value will perform the RTS (Request To Send)/CTS
(Clear To Send) handshake.
Enter a value between 0 and 2347.
54g™ Mode
This displays when you set
802.11n/EWC
to
Disabled
.
Select
54g Auto
to allow both IEEE 802.11G and IEEE 802.11B clients to connect.
Select
54G Performance
for the best performance with IEEE 802.11G-certified clients.
Select
54G LRS
(Limited Rate Support) to allow older IEEE 802.11B clients with 3-Bit
message headers to connect. Only use this if none of the other modes work.
Select
802.11b Only
if all your wireless clients only support IEEE 802.11B.
54g™ Protection
This displays when you set
802.11n/EWC
to
Disabled
. Select
Auto
to have the wireless
devices transmit data after a RTS/CTS handshake to help prevent collisions in mixed-mode
networks (networks with both IEEE 802.11g and IEEE 802.11b traffic).
Select
Off
to disable 802.11g protection. Only select this if you only connect IEEE 802.11G
clients.
Page 184 / 240
Chapter 14 Wireless
Basic Home Station VDSL2 P8701T User’s Guide
184
14.6
Wireless Station Info
The station monitor displays the connection status of the wireless clients connected to (or trying to
connect to) the VDSL Router. To open the station monitor, click
Wireless
>
Station Info
. The
screen appears as shown.
Figure 79
Wireless
> Station Info
The following table describes the labels in this menu.
14.7
Technical Reference
This section discusses wireless LANs in depth. For more information, see
Appendix D on page 163
.
14.7.1
Wireless Network Overview
Wireless networks consist of wireless clients, access points and bridges.
Preamble Type
This displays when you set
802.11n/EWC
to
Disabled
and
54g™ Mode
to
54g Auto
or
802.11b Only
. Select a preamble type from the drop-down list box. Choices are
Long
or
Short
. See
Section 14.7.6 on page 190
for more information.
Transmit Power
Set the output power of the VDSL Router. If there is a high density of APs in an area,
decrease the output power to reduce interference with other APs. Select one of the
following:
20%
,
40%
,
60%
,
80%
or
100%
.
Apply/Save
Click this to save your changes to the VDSL Router.
Table 69
Wireless: Advanced (continued)
LABEL
DESCRIPTION
Table 70
Wireless
> Station Info
LABEL
DESCRIPTION
MAC
This displays the MAC address (in XX:XX:XX:XX:XX:XX format) of a connected
wireless station.
Associated
This is the time that the wireless client associated with the VDSL Router.
Authorized
This is the time that the wireless client’s connection to the VDSL Router was
authorized.
SSID
This is the name of the wireless network on the VDSL Router to which the wireless
client is connected.
Interface
This is the name of the wireless LAN interface on the VDSL Router to which the
wireless client is connected.
Refresh
Click this button to update the information in the screen.
Page 185 / 240
Chapter 14 Wireless
Basic Home Station VDSL2 P8701T User’s Guide
185
•
A wireless client is a radio connected to a user’s computer.
•
An access point is a radio with a wired connection to a network, which can connect with
numerous wireless clients and let them access the network.
•
A bridge is a radio that relays communications between access points and wireless clients,
extending a network’s range.
Traditionally, a wireless network operates in one of two ways.
•
An “infrastructure” type of network has one or more access points and one or more wireless
clients. The wireless clients connect to the access points.
•
An “ad-hoc” type of network is one in which there is no access point. Wireless clients connect to
one another in order to exchange information.
The following figure provides an example of a wireless network.
Figure 80
Example of a Wireless Network
The wireless network is the part in the blue circle. In this wireless network, devices
A
and
B
use the
access point (
AP
) to interact with the other devices (such as the printer) or with the Internet. Your
VDSL Router is the AP.
Every wireless network must follow these basic guidelines.
•
Every device in the same wireless network must use the same SSID.
The SSID is the name of the wireless network. It stands for Service Set IDentifier.
•
If two wireless networks overlap, they should use a different channel.
Like radio stations or television channels, each wireless network uses a specific channel, or
frequency, to send and receive information.

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