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Advanced Configuration Options (optional)
When you click the
anced Confi
guration Options
button, the
Advanced 802.11
screen appears. This screen varies its options depending on which form of wire-
less Privacy you have selected.
Operating Mode
The pull-down menu allows you to select and lock the Gateway into the wireless transmis-
sion mode you want. For compatibility with clients using 802.11
(up to 11 Mbps transmis-
sion) and 802.11
(up to 20+ Mbps), select
Normal (802.11b + g)
. To limit your wireless
LAN to one mode or the other, select
802.11b Only
, or
802.11g Only
If you choose to limit the operating mode to 802.11b or 802.11g only, clients
using the mode you excluded will not be able to connect.
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Default Channel
(1 through 11, for North America) on which the network will broadcast. This is a frequency
range within the 2.4Ghz band. Channel selection depends on government regulated radio
frequencies that vary from region to region. The widest range available is from 1 to 14.
Europe, France, Spain and Japan differ. Channel selection can have a significant impact on
performance, depending on other wireless activity close to this Router. Channel selection
is not necessary at the client computers; the clients will scan the available channels seek-
ing access points using the same SSID as the client.
AutoChannel Setting
For 802.11G models, AutoChannel is a feature that allows the Motorola Netopia® Gateway
to determine the best channel to broadcast automatically.
Three settings are available from the pull-down menu:
Off-Use default
At Startup
, and
Off-Use default
: the Motorola Netopia® Gateway will use the configured default chan-
nel selected from the previous pull-down menu.
At Startup
– the default setting – causes the Motorola Netopia® Gateway at startup to
briefly initialize on the default channel, then perform a full two- to three-second scan,
and switch to the best channel it can find, remaining on that channel until the next
performs the at-startup scan, and will continuously monitor the current
channel for any other Access Point beacons. If an Access Point beacon is detected on
the same channel, the Motorola Netopia® Gateway will initiate a three- to four-minute
scan of the channels, locate a better one, and switch. Once it has switched, it will
remain on this channel for at least 30 minutes before switching again if another Access
Point is detected.
Enable Closed System Mode
If enabled, Closed System Mode hides the wireless network from the scanning features of
wireless client computers. Unless both the wireless clients and the Router share the same
Wireless ID in Closed System mode, the Router’s wireless LAN will not appear as an avail-
able network when scanned for by wireless-enabled computers. Members of the Closed
System WLAN must log onto the Router’s wireless network with the identical SSID as that
configured in the router.
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Closed System mode is an ideal way to increase wireless security and to prevent casual
detection by unwanted neighbors, office users, or malicious users such as hackers.
If you do not enable Closed System Mode, it is more convenient, but potentially less
secure, for clients to access your WLAN by scanning available access points. You must
decide based on your own network requirements.
About Closed System Mode and Wireless Encryption
Enabling Closed System Mode on your wireless Router provides another level of security,
since your wireless LAN will no longer appear as an available access point to client PCs
that are casually scanning for one.
Your own wireless network clients, however, must log into the wireless LAN by using the
exact SSID of the Motorola Netopia® Router.
In addition, if you have enabled WEP or WPA encryption on the Motorola Netopia® Router,
your network clients must also have WEP or WPA encryption enabled, and must have the
same WEP or WPA encryption key as the Motorola Netopia® Router.
Once the Motorola Netopia® Gateway is located by a client computer, by setting the client
to a matching SSID, the client can connect immediately if WEP or WPA is not enabled. If
WEP or WPA is enabled then the client must also have WEP or WPA enabled and a matching
WEP or WPA key.
Wireless client cards from different manufacturers and different operating systems accom-
plish connecting to a wireless LAN and enabling WEP or WPA in a variety of ways. Consult
the documentation for your particular wireless card and/or operating system.
Block Wireless Bridging
Check the checkbox to block wireless clients from communicating with other wireless cli-
ents on the LAN side of the Gateway.
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OFF - No Privacy:
This mode disables privacy on your network, allowing any wireless
users to connect to your wireless LAN. Use this option if you are using alternative secu-
rity measures such as VPN tunnels, or if your network is for public use.
WEP - Manual:
WEP Security is a Privacy option that is based on encryption between
the Router and any PCs (“clients”) you have with wireless cards. If you are not using
WPA-PSK Privacy, you can use WEP Encryption instead. For this encryption to work, both
your Router and each client must share the same Wireless ID, and both must be using
the same encryption keys.
provides RADIUS server authentication support. See
provides Wireless Protected Access, the most secure option for your wire-
less network. See
” on page
. This mechanism provides the best data pro-
tection and access control.
Be sure that your Wi-Fi client adapter supports this option. Not all Wi-Fi clients support
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RADIUS Server authentication
RADIUS servers allow external authentication of users by means of a remote authentica-
tion database. The remote authentication database is maintained by a Remote Authentica-
tion Dial-In User Service (RADIUS) server. In conjunction with Wireless User Authentication,
you can use a RADIUS server database to authenticate users seeking access to the wire-
less services, as well as the authorized user list maintained locally within the Gateway.
If you select
, the screen expands.
Click the
gure RADIUS Ser
The Configure RADIUS Server screen appears.


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