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DISCUS™ Multiplay Wireless VoIP AG
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Network Connections Section
all points in your wireless network. For added security, you should change the
default SSID (openrg) to a unique name.
FIGURE 16.
LAN Wireless 802.11g Access Point >> Wireless Panel
SSID Broadcast.
Select this check-box to enable the SSID's broadcast. SSID
broadcast is used in order to hide the name of the AP (SSID) from clients that
should not be aware to its existence.
802.11 Mode.
Select the Wireless communication standard that is compatible
with you PC's wireless card. You can work in either 802.11g, 802.11b or in
mixed mode.
Channel.
Select the appropriate channel from the list provided to correspond
with your network settings. All devices in your wireless network must broadcast
on different channels in order to function correctly. The channels available
depend on the Regulatory Authority (stated in brackets) to which your gateway
conforms.
Network Authentication.
The WPA network authentication method is 'Open Sys-
tem Authentication', meaning that a network key is not used for authentication.
When using the 802.1X WEP or Non-802.1X WEP security protocols, this field
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changes to a combo-box, offering the 'Shared Key Authentication' method
(which uses a network key for authentication), or both methods combined.
MAC Filtering Mode.
You can filter wireless users according to their MAC
address, either allowing or denying access. Choose the action to be performed
by selecting it from the drop down menu.
MAC Filtering Settings
Use this section to define advanced wireless access point settings.
New MAC Address.
Click this link to define filtering of MAC addresses. Enter the
MAC address to be filtered and press the “OK” button. A MAC address list will
appear, upon which the selected filtering action (allow/deny) will be performed.
Wireless Security
To configure your wireless security, enable this feature by checking its 'Enabled'
check-box. The screen will refresh, displaying the wireless security options. Use
the 'Stations Security Type' combo-box to select the type of security protocol for
securing your wireless network. You may choose between WPA, WPA2, 802.1x
WEP, and Non-802.1x WEP. The screen will refresh, presenting each protocol's
configuration respectively.
WPA
: WPA is a data encryption method for 802.11 wireless LANs.
Authentication Method.
Select the authentication method you would like to use.
You can choose between Pre-Shared Key and 802.1x.
Pre-Shared Key.
This entry appears only if you had selected this authentication
method. Enter your encryption key in the 'Pre-Shared Key' field. You can use
either an ASCII or a Hex value by selecting the value type in the combo-box pro-
vided.
Encryption Algorithm.
Select between Temporal Key Integrity Protocol (TKIP)
and Advanced Encryption Standard (AES) for the encryption algorithm.
Group Key Update Interval.
It defines the time interval in seconds for updating a
group key.
WPA2
: WPA2 is an enhanced version of WPA, and defines the 802.11i protocol.
Authentication Method.
Select the authentication method you would like to use.
You can choose between Pre-Shared Key and 802.1x.
Pre-Shared Key.
This entry appears only if you had selected this authentication
method. Enter your encryption key in the 'Pre-Shared Key' field. You can use
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DISCUS™ Multiplay Wireless VoIP AG
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either an ASCII or a Hex value by selecting the value type in the combo-box pro-
vided.
Encryption Algorithm.
The encryption algorithm used for WPA2 is the Advanced
Encryption Standard (AES).
Group Key Update Interval.
It defines the time interval in seconds for updating a
group key.
WPA and WPA2 Mixed Mode
: WPA and WPA2 is a mixed data encryption
method.
Authentication Method.
Select the authentication method you would like to use.
You can choose between Pre-Shared Key and 802.1x.
Pre-Shared Key.
This entry appears only if you had selected this authentication
method. Enter your encryption key in the 'Pre-Shared Key' field. You can use
either an ASCII or a Hex value by selecting the value type in the combo-box pro-
vided.
Encryption Algorithm.
The encryption algorithm used for WPA and WPA2 is a
either the Temporal Key Integrity Protocol (TKIP) or the Advanced Encryption
Standard (AES).
Group Key Update Interval.
It defines the time interval in seconds for updating a
group key.
802.1x WEP
: 802.1x WEP is a data encryption method utilizing a statically or
automatically defined key for wireless clients that use 802.1x for authentication
and WEP for encryption. You may define up to four keys but use only one at a
time.
Generate Keys Automatically.
Select this option to generate the encryption keys
automatically rather than entering them manually. The screen will refresh, hiding
the table of keys described below.
Group Key Update Interval.
Defines the time interval in seconds for updating a
group key. Active Select the encryption key to be activated.
Encryption Key.
Type the encryption key until the entire field is filled. The key
cannot be shorter than the field's length.
Entry Method.
Select the character type for the key: Hex or ASCII. Key Length
Select the key length in bits: 40 or 104 bits.
Key Length.
Select the key length in bits: 40 or 104 bits.
Non-802.1x WEP
: Non-802.1xWEP is a data encryption method utilizing a stat-
ically-defined key for wireless clients that do not use 802.1x for authentication
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DISCUS™ Multiplay Wireless VoIP AG
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and WEP for encryption. This method's configuration is virtually identical to the
802.1x WEP method described above, excluding the automatic key generation
and the group key update interval specification. Please refer to the 802.1x WEP
section above when configuring this method. Remember that the static key must
be defined in the wireless Windows client as well.
Virtual AP
You can set up multiple wireless LANs on
DISCUS™ Multiplay Wireless VoIP
AG
, limited only to the number supported by your wireless card. Each wireless
LAN is defined as an access point.
The 'Virtual APs' section displays the Router's physical wireless access point,
on top of which virtual connections may be created. To create a virtual connec-
tion, click the 'New Virtual AP' link.
The new connection will also be added to the network connections list, and will
be configurable like any other connection. You can change the connection's
default name by clicking its Edit action icon and changing the SSID value in the
'Configure LAN Wireless 802.11g Access Point - Virtual AP' screen.
Wireless QoS (WMM)
Wi-Fi Multimedia (WMM) is a Wi-Fi Alliance certification, based on the IEEE
802.11e draft standard. It provides basic Quality of Service (QoS) features to
IEEE 802.11 networks. If your wireless card supports WMM, enable this feature
by checking its 'Enabled' check-box.
Upon enabling WMM, the highest priority is given to Voice packets, decreasing
towards Background packets which receive the lowest priority.
In addition, you can control the reliability of traffic flow. By default, the 'Ack Pol-
icy' for each access category is set to "Normal", meaning that an acknowledge
packet is returned for every packet received. This provides a more reliable trans-
mission but increases traffic load, which decreases performance. You may
choose to cancel the acknowledgement by selecting "No Ack" in the combo-box
of each access category, thus changing the Ack policy. This can be useful for
Voice, for example, where speed of transmission is important and packet loss is
tolerable to a certain degree.
RADIUS Server
For authentication to work, the client's transmission must go through the Router,
and reach the back-end server that performs the actual authentication. The
wireless client contacts the access point, which in turn communicates with the
Remote Authentication Dial-in User Service (RADIUS) server. The RADIUS
server verifies the client's credentials to determine whether the device is autho-
rized to connect to the LAN. If the RADIUS server accepts the client, the server
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DISCUS™ Multiplay Wireless VoIP AG
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responds by exchanging data with the Router, including security keys for subse-
quent encrypted sessions.
LAN WIRELESS 802.11G
ACCESS POINT >>
ADVANCED
Internet Connection Firewall.
Your gateway's firewall helps protect your com-
puter by preventing unauthorized users from gaining access to it through a net-
work such as the Internet. The firewall can be activated per network connection.
To enable the firewall on this network connection, select the 'Enabled' check
box.
FIGURE 17.
LAN Wireless 802.11g Access Point >> Advanced Panel
Additional IP Addresses.
You can add alias names (additional IP addresses) to
the gateway by clicking the 'New IP Address' link. This enables you to access
the gateway using these aliases in addition to the 192.168.1.1
WAN DSL
The WAN DSL panels allows you to check and configure the WAN DSL line
interface.
WAN DSL >> GENERAL
From the WAN DSL General panel, it is possible to enable/disable the WAN
DSL interface and to set the WAN DSL friendly name.

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