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Advanced Settings
131
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
Note:
The wireless router is already configured with the optimum settings.
Do not alter these settings unless directed by NETGEAR support.
Incorrect settings might disable the wireless router unexpectedly.
Wireless Advanced Settings
Enable Wireless Router Radio
. The wireless access point of this router can be enabled or
disabled to allow wireless access. The Wireless LED on the front of the router also displays
the current status of the wireless access point to let you know if it is disabled or enabled. If it
is enabled, wireless stations can access the Internet. If it is disabled, wireless stations cannot
access the Internet.
Enable SSID Broadcast
. If this feature is enabled, the wireless router broadcasts its name
(SSID) to all wireless stations. Stations that have no SSID (or a null value) can then adopt the
correct SSID for connections to this access point.
Fragmentation Threshold
,
CTS/RTS Threshold
, and
Preamble Mode
. Do not change
these settings. The Fragmentation Threshold, CTS/RTS Threshold, and Preamble Mode
settings are reserved for wireless testing and advanced configuration only.
WPS Settings
Router’s PIN
. The PIN number that you use on a registrar (for example, from the Network
Explorer on a Vista Windows PC) to configure the wireless modem router’s wireless settings
through WPS. You can also find the PIN on the wireless modem router’s product label.
Disable Router’s PIN
. The PIN function might temporarily be disabled when the wireless
modem router detects suspicious attempts to break into the wireless modem router’s wireless
settings by using the wireless modem router’s PIN through WPS. You can manually enable
the PIN function by clearing the Disable Router’s PIN check box.
Keep Existing Wireless Settings
. By default, the Keep Existing Wireless Settings check
box is selected. This shows whether the router is in the WPS configured state.
If the Keep Existing Wireless Settings check box is not selected, adding a new wireless client
changes the router’s wireless settings to an automatically generated random SSID and
security key. NETGEAR does not recommend this. In addition, if this option is selected, some
external registrars (e.g., Network Explorer on Vista Windows) might not see the router.
Configuring the basic wireless settings from the router’s management interface selects this
option automatically.
Wireless Card Access List
. By default, any wireless PC that is configured with the correct
SSID is allowed access to your wireless network. For increased security, you can restrict
access to the wireless network to allow only specific PCs based on their MAC addresses. On
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Page 132 / 185
Advanced Settings
132
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
the Wireless Settings screen, select
Setup Access List
to display the Wireless Access List
screen.
Building Wireless Bridging and Repeating Networks
With the DGND3700 wireless modem router, you can build large bridged wireless networks
that form an IEEE 802.11n Wireless Distribution System (WDS). Using the modem router
with other access points (APs) and wireless devices, you can connect clients by using their
MAC addresses rather than by specifying IP addresses.
Here are some examples of wireless bridged configurations:
•
Point-to-point bridge
. The wireless modem router communicates with another
bridge-mode wireless station. See
Point-to-Point Bridge Configuration
on page 133.
•
Multi-point bridge
. The wireless modem router is the “master” for a group of bridge-mode
wireless stations. Then all traffic is sent to this master, rather than to other access points.
See
Multi-Point Bridge
on page 134.
•
Repeater with wireless client association
. Sends all traffic to the remote access point.
See
Repeater with Wireless Client Association
on page 136.
Note:
The wireless bridging and repeating feature uses the default
security profile to send and receive traffic.
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Page 133 / 185
Advanced Settings
133
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
To view or change these configurations, from the main menu, select
Wireless Repeating
Function
:
Enable Wireless Repeating
. Select this if you wish to use either bridge mode or repeater
mode, and then select the mode you want for your environment.
Wireless Repeater
. In this mode, the router communicates only with another base
station–mode wireless station. You have to enter the MAC address (physical address) of the
other base station–mode wireless station in the field provided. WEP can (and should) be
used to protect this communication.
Wireless Base Station
. Select this only if this router is the master for a group of
repeater-mode wireless stations. The other repeater-mode wireless stations have to be set to
wireless repeater mode, using this router’s MAC address. They then send all traffic to this
master, rather than communicating directly with each other. WEP can (and should) be used
to protect this traffic.
If this option is selected, you have to enter the MAC addresses of the other access points in
the fields provided.
Point-to-Point Bridge Configuration
In point-to-point bridge mode, the wireless modem router communicates as an access point
with another bridge-mode wireless station. As a bridge, wireless client associations are
disabled—only wired clients can be connected. You have to enter the MAC address of the
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Page 134 / 185
Advanced Settings
134
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
other bridge-mode wireless station in the field provided. Use wireless security to protect this
communication. The following figure shows an example of point-to-point bridge mode.
LAN Segment 1
PC’s
PC’s
LAN Segment 2
Switch or hub
AP 2
Both access points (APs) are in
Internet
AP 1 (DGND3700 modem router)
point-to-point bridge mode.
192.168.0.1
Figure 52. Point-to-point bridge mode
To set up a point-to-point bridge configuration:
1.
Configure the DGND3700 wireless modem router (AP 1) on LAN Segment 1 in
point-to-point bridge mode.
2.
Configure the other access point (AP 2) on LAN Segment 2 in point-to-point bridge mode.
The DGND3700 wireless modem router has to have AP 2’s MAC address in its
Remote
MAC Address
field, and AP 2 has to have the DGND3700’s MAC address in its
Remote
MAC Address
field.
3.
Configure both APs and verify that both APs are using the same SSID, channel,
authentication mode, if any, and security settings if security is in use.
4.
Disable the DHCP server on AP 2. AP 1 will then be the DHCP server.
5.
Verify connectivity across LAN Segment 1 and LAN Segment 2. A computer on either LAN
segment should be able to connect to the Internet or share files and printers of any other
PCs or servers connected to LAN Segment 1 or LAN Segment 2.
Multi-Point Bridge
Multi-point bridge mode allows a router to bridge to multiple peer access points
simultaneously. Wireless client associations are disabled. Only wired clients can be
connected. Multi-point bridge mode configuration includes the following steps:
•
Enter the MAC addresses of the other access points in the fields provided.
•
Set the other bridge-mode access points to point-to-point bridge mode, using the MAC
address of this DGND3700 as the remote MAC address.
•
Use wireless security to protect this traffic.
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Page 135 / 185
Internet
LAN Segment 1
PCs
PCs
Hub or switch
AP 3
AP 2
Point-to-point
bridge mode
bridge mode
Point-to-point
AP 1
DGND3700
PCs
Hub or switch
LAN Segment 3
LAN Segment 2
192.168.0.1
Advanced Settings
135
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
Figure 53. Multi-point bridge mode
To set up the multi-point bridge configuration:
1.
Configure the operating mode of the wireless modem routers.
•
Because it is in a central location, configure the DGND3700 wireless modem router
(AP 1) on LAN segment 1 in point-to-multi-point bridge mode, and enter the MAC
addresses of AP 2 and AP 3 in the
Remote MAC Address 1
and
Remote MAC
Address 2
fields.
•
Configure the access point (AP 2) on LAN segment 2 in point-to-point bridge mode
with the remote MAC address of the DGND3700 wireless modem router.
•
Configure the access point (AP 3) on LAN segment 3 in point-to-point bridge mode
with the remote MAC address of the DGND3700 wireless modem router.
2.
Disable the DHCP server on AP 2 and AP 3. AP 1 will then be the DHCP server.
3.
Verify the following for all access points:
•
The LAN network configuration of the wireless modem router and other access points
are configured to operate in the same LAN network address range as the LAN
devices.
•
Only one access point, the DGND3700 wireless modem router in the preceding
figure, is configured in point-to-multi-point bridge mode; all the others are in
point-to-point bridge mode.
•
All APs, including the DGND3700 wireless modem router, have to be on the same
LAN. That is, all the access point LAN IP addresses have to be in the same network.
•
If you are using DHCP, for all access points, in the Basic Settings screen, in the
Internet IP Address section, the
Get Dynamically from ISP
check box should be
selected.
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