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Page 21 / 66 Scroll up to view Page 16 - 20
Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Wireless Configuration
2-5
v1.0, July 2009
Table 2-1.
Wireless Settings
Settings
Description
Wireless Network
Name (SSID)
The SSID is also known as the wireless network name.
Enter a 32-character (maximum) name in this field. The
characters are case sensitive.
In a setting where there is more than one wireless
network, different wireless network names provide a
means for separating the traffic. Any device you want to
participate in a wireless network must use the SSID.
Control Channel
The wireless channel used by the gateway. The default is
channel 11.
You should not need to change the wireless channel
unless you experience interference (shown by lost
connections and/or slow data transfers). Should this
happen, you might need to try different channels to see
which is the best.
802.11 Mode
Select the desired wireless mode. The options are:
• Auto
•
b & g only
. Only 802.11g and 802.11b wireless stations
can be used.
•
g only
. Only 802.11g wireless stations can be used.
•
b only
. Only 802.11b wireless stations can be used.
Wireless Access
Point
Enable Wireless Access
Point
On by default, you can also turn off the wireless radio to
disable access through this device. This can be helpful
for configuration, network tuning, or troubleshooting
activities.
Allow Broadcast Name
(SSID)
On by default, the gateway broadcasts its SSID, allowing
wireless stations which have a “null” (blank) SSID to
adopt the correct SSID. The default SSID is NETGEAR.
If you disable broadcast of the SSID, only devices that
have the correct SSID can connect. This nullifies the
wireless network “discovery” feature of some products
such as Windows XP, but the data is still fully exposed to
a determined snoop using specialized test equipment
like wireless sniffers. For this reason NETGEAR
recommends that you also enable wireless security.
Page 22 / 66
Wireless Cable Voice Gateway CG3000/CG3100 User Manual
2-6
Wireless Configuration
v1.0, July 2009
Wi-Fi Protected
Setup (WPS)
WPS Config
To use WPS, you must enable WPS Config and click
Apply
.
Device Name
The default is NetgearAP. This identifies your gateway
for client WPS devices that want to join the network.
STA PIN
The PIN is displayed so that you can use it to configure
the gateway through WPS (Wi-Fi Protected Setup). It is
also displayed on the gateway’s label.
WPS Method
PIN or Push Button can be used.
Start WPS
If WPS Config is enabled, clicking
Start WPS
causes the
gateway to try to associate with a client. If security is set
to Disable, it is automatically set to WPA-PSK. For more
information about WPS, see
“Using Push 'N' Connect
(WPS) to Configure Your Wireless Network and Security”
on page 2-9
.
Security Options
Disable
Wireless security is disabled by default. After the
gateway is connected to the Internet, NETGEAR strongly
recommends that you implement wireless security.
Security Options
(continued)
•
WEP (Wired Equivalent
Privacy) 64-bit encryption
•
WEP (Wired Equivalent
Privacy) 128-bit encryption
WEP security uses encryption keys to provides data
security. You can select 64-bit or 128-bit encryption. See
“Configuring WEP (Wired Equivalent Privacy) Wireless
Security” on page 2-7
.
•
WPA-PSK (Wi-Fi
Protected Access Pre-
Shared Key)
• WPA
•
WPA2-PSK (Wi-Fi
Protected Access 2 Pre-
Shared Key)
• WPA2
Wi-Fi Protected Access (WPA) data encryption provides
data security. The very strong authentication along with
dynamic per frame rekeying of WPA make it virtually
impossible to compromise.
•
WPA uses the TKIP encryption type and a
pre-shared key passphrase
•
WPA-PSK uses the TKIP encryption type with
authentication from a RADIUS server.
•
WPA2-PSK uses the AES encryption type with
authentication from a RADIUS server.
•
For more information about WPA, see
“Configuring
WPA-PSK or WPA2-PSK Wireless Security” on
page 2-8
.
Table 2-1.
Wireless Settings (continued)
Settings
Description
Page 23 / 66
Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Wireless Configuration
2-7
v1.0, July 2009
Configuring WEP (Wired Equivalent Privacy) Wireless Security
Note:
If you use a wireless computer to configure wireless security settings, you will be
disconnected when you click Apply. Reconfigure your wireless computer to match
the new settings, or access the gateway from a wired computer to make further
changes.
To configure WEP data encryption:
1.
Log in to the gateway as described in
“Logging In to Your Gateway” on page 1-4
.
2.
In the main menu, under Setup, select Wireless Settings.
3.
In the Wireless Settings screen, depending on the encryption strength that you want, select one
of these options:
•
WEP (Wired Equivalent Privacy) 64-bit encryption
•
WEP (Wired Equivalent Privacy) 128-bit encryption
Settings for WEP encryption are shown in the following figure (which is the bottom part of the
Wireless Settings screen).
Figure 2-2
4.
Select the WEP security encryption from the
Authentication
drop-down list. Select
Automatic
,
Open System
or
Shared Key
. The default is
Automatic
.
Page 24 / 66
Wireless Cable Voice Gateway CG3000/CG3100 User Manual
2-8
Wireless Configuration
v1.0, July 2009
5.
Enter the WEP encryption key information:
•
WEP PassPhrase
:
To use a passphrase to automatically generate the keys, enter a
passphrase and click
Generate
. Wireless stations must use the passphrase or keys to
access the gateway.
•
Key 1
through
Key 4
: You can manually enter the four data encryption keys. These values
must be identical on all computers and access points in your network. For 64-bit WEP,
enter 10 hexadecimal digits (any combination of 0–9 or A–F). For 128-bit WEP, enter
26 hexadecimal digits.
•
Select which of the four keys will be the default. Data transmissions are always encrypted
using the default key. The other keys can only be used to decrypt received data. The four
entries are disabled if WPA-PSK or WPA authentication is selected.
6.
Click
Apply
to save your settings.
Note:
If you use a wireless computer to configure WEP settings, you will be
disconnected when you click
Apply
. Reconfigure your wireless adapter to match
the new settings or access the gateway from a wired computer to make any further
changes.
Configuring WPA-PSK or WPA2-PSK Wireless Security
Note:
Not all wireless adapters support WPA. Furthermore, client software is required on
the client. Windows XP and Windows 2000 with Service Pack 3 or above do
include the client software that supports WPA. The wireless adapter hardware and
driver must also support WPA. Consult the product documentation for your
wireless adapter and WPA client software for instructions on configuring WPA
settings.
To configure WPA in the gateway:
1.
Log in to the gateway as described in
“Logging In to Your Gateway” on page 1-4
.
2.
In the main menu, under Setup, select Wireless Settings.
Page 25 / 66
Wireless Cable Voice Gateway CG3000/CG3100 User Manual
Wireless Configuration
2-9
v1.0, July 2009
3.
Select one of the WPA settings:
Figure 2-3
•
WPA-PSK
. This setting provides the TKIP encryption type and a pre-shared key
passphrase.
•
WPA2-PSK
. This setting provides the AES encryption type and a pre-shared key
passphrase.
4.
Depending on the WPA settings that you select, enter the required information:
For WPA-PSK or WPA2-PSK, enter the pre-shared key, which is a passphrase between 8 and
63 characters.
5.
Click
Apply
to save your settings.
Using Push 'N' Connect (WPS) to Configure Your Wireless
Network and Security
If your wireless clients support Wi-Fi Protected Setup (WPS), you can use this feature to configure
the gateway’s SSID and security settings and, at the same time, connect the wireless client securely
and easily to the gateway. Look for the
symbol on your client device (computers that will
connect wirelessly to the gateway are clients). WPS uses the network name (SSID) that is

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