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Chapter 3: Advanced Configuration
Illustrations contained in this document are for representation only.
53
Wireless Web Pages Group
Important: Changes to the wireless web pages should be made from a PC that is hard wired to
the gateway.
The Wireless web pages group enables a variety of settings that can provide secure and reliable
wireless communications for even the most demanding tech-savvy user.
The TCW710 gateway offers a choice of 802.1X, WPA and WPA-PSK authentication of your PCs to
the gateway, 64 and 128 bit WEP encryption of communication between the gateway and your
PCs to guaranty privacy, and an Access Control List function that enables you to restrict wireless
access to only your specific PCs.
The wireless function will probably work in your home as shipped from the factory, but without
the security features activated. In addition, the factory default wireless channel setting may not
provide optimum performance in your home due to interference from other wireless devices.
Therefore, the following minimum changes are recommended from the factory defaults, to
secure your wireless communications and provide optimum performance.
Performance
Because your wireless communication travels through the air, the factory default wireless
channel setting may not provide optimum performance in your home if you or your neighbors
have other interfering 2.4 GHz devices such as cordless phones. If your wireless PC is
experiencing very sluggish or dramatically slower communication compared with the speed you
achieve on your PC that is wired to the gateway, try changing the channel number.
See the
802.11b/g Basic Web Page discussion below for details.
Authentication
Authentication enables you to restrict your gateway from communicating with any remote
wireless PCs that aren’t yours. The following minimum authentication-related changes to factory
defaults are recommended. See the 802.11b/g Basic and Access Control Web Page discussions
below for details.
Network Name (SSID) – set to a unique name you choose
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Chapter 3: Advanced Configuration
54
Network Type – set to Open
Access Control List
- enter your wireless PCs' MAC addresses
Privacy
Privacy secures or scrambles messages traveling through the air between your wireless PCs and
the gateway, so they can't be observed by others. The following minimum privacy-related setting
changes to factory defaults are recommended. See the 802.11b/g Privacy Web Page discussion
below for details.
Data Encryption – set to WEP (64-bit)
PassPhrase – use this feature to generate security keys
802.11b/g Basic Web Page
Use this page to configure the wireless 802.11b/g channel in the 2.4 GHz band you want to use
and the SSID you will use. These must match the settings you make on your wireless-equipped PC
you want to be a part of your LAN.
The SSID is your Network Name. Change the factory default to a name of your choice up to 32
characters long. The wireless radio in your gateway can be completely de-activated by changing
Interface to Disabled. Click the Apply button to save your settings.
The Network Type control is used to hide or reveal your network name to any remote, wireless
equipped PC in the area that may be scanning WiFi channels to find available WiFi networks. The
gateway WiFi radio frequently transmits a beacon signal which can contain this network name
(SSID). If you set Network Type to Open, your SSID is included in that beacon, and is therefore
detectable by any nearby wireless equipped PCs in the area. The benefit of using Open, is it can
speed your WiFi setup on some PCs. If you set Network Type to Closed, your SSID is not included
in the beacon. This hides your network name, but as a result may require a bit more effort on
your part to set up your wireless PCs. Details of all settings on the 802.11b/g Basic Web Page are
provided in Table 1.
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Chapter 3: Advanced Configuration
Illustrations contained in this document are for representation only.
55
Fig. 37
Setting
Description
Value List or Range
Default
Network Name
(SSID)
Sets the Network Name (also
known as SSID) of this network.
Up to 32-character string
containing ASCII characters
with codes between 0x20 and
0x7e
THOMSON
Network Type
Selecting Closed hides the
network from active scans.
Selecting Open reveals the
network to active scans.
Open, Closed
Open
New Channel
Selects a particular channel on
which to operate.
1 - 13
11
Interface
Enables or disables the wireless
interface.
Enabled, Disabled
Enabled
Table 1. Basic Settings Definitions
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Chapter 3: Advanced Configuration
56
802.11b/g Privacy Web Page
The Privacy feature in the wireless section encrypts, i.e. effectively “scrambles,” all radio
communication between your gateway and remote wireless-connected PCs. This provides Wired-
Equivalent Privacy (WEP) on your wireless LAN. Use this page to activate encryption if desired,
and set the type to use, as well as the encryption keys.
An easy way to generate encryption keys for WEP is to use the Generate WEP Keys button on this
page. First, set Data Encryption to WEP (64) or WEp (129). Then, enter a word or phrase (up to 32
characters long) in the PassPhrase box. Finally, click the Generate WEP Keys button. The gateway
will generate digital encryption keys from the phrase and populate the Network Key 1, 2, 3 and 4
boxes with them. You may have to refresh the page in your web browser to see the results.
Advanced users may want to adjust additional security settings. Details of all available settings
on the 802.11b/g Privacy Web Page are provided in Tables 2, 3, and 4.
Fig. 38
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Chapter 3: Advanced Configuration
Illustrations contained in this document are for representation only.
57
Setting
Description
Value List or Range
Default
Network
Authentication
Sets the network authentication
method. 802.1X and WPA require that
valid RADIUS parameters be set.
WPA-PSK requires a valid WPA
Pre-Shared Key to be set.
Disabled, 802.1x, WPA, WPA-PSK
Disabled
WPA Pre-Shared
Key
Sets the WPA Pre-Shared Key (PSK).
Depends on Network
Authentication setting. See Table
3.
<NULL>
WPA Group Rekey
Interval
Sets the WPA Group Rekey Interval in
seconds. Set to zero to disable
periodic rekeying.
Depends on Network
Authentication setting. See Table
3.
0
RADIUS Server
Sets the IP address of the RADIUS
server to use for authentication and
dynamic key derivation.
Depends on Network
Authentication setting. See Table
3.
<NULL>
RADIUS Port
Sets the UDP port number of the
RADIUS server. The port number is
usually 1812 or 1645 and depends
upon the server.
Depends on Network
Authentication setting. See Table
3.
1812
RADIUS KEY
Sets the shared secret for the RADIUS
connection.
Depends on Network
Authentication setting. See Table
3.
<NULL>
Data Encryption
Selecting Off disables data encryption.
Selecting WEP enables WEP data
encryption and requires that a valid
network key be set and selected
unless 802.1X is enabled.
Depends on Network
Authentication setting. See Table
3.
Off (Disabled, 802.1x);
TKIP (WPA, WP-PSK)
Shared Key
Authentication
Sets whether shared key
authentication is required to
associate. A valid network key must be
set and selected if required.
Depends on Network
Authentication setting. See Table
3.
Optional
PassPhrase1
Sets the text to use for WEP keys
generation.
Depends on Network
Authentication and Data
Encryption settings. See Table 3
and Table 4.
<NULL>
Network Key 1 thru
Network Key 4
Enter 5 ASCII characters or 10
hexadecimal digits for a 64-bit key.
Enter 13 ASCII characters or 26
hexadecimal digits for a 128-bit key.
Depends on Network
Authentication and Data
Encryption settings. See Table 3
and Table 4.
<NULL>
Current Network
Key
Selects which network key is used for
encrypting outbound data and/or
authenticating clients.
Depends on Network
Authentication and Data
Encryption settings. See Table 3
and Table 4
1
Table 2. Privacy Settings Definitions

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