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Page 96 / 126 Scroll up to view Page 91 - 95
Wireless-N ADSL2+ Modem Router DGN2000 Reference Manual
5-12
Advanced Configuration
v1.0, July 2008
3.
To add a static route:
a.
Click
Add
to open the following Static Routes screen.
b.
Enter a route name for this static route in the
Route Name
field. This name is for
identification purpose only.
c.
Select
Private
if you want to limit access to the LAN only. The static route will not be
reported in RIP.
d.
Select
Active
to make this route effective.
e.
Enter the destination IP address of the final destination.
f.
Enter the IP subnet mask for this destination. If the destination is a single host, type
255.255.255.255.
g.
Enter the gateway IP address, which must be a router on the same LAN segment as the
router.
h.
Enter a number between 2 and 15 as the metric value in the
Metric
field. This represents
the number of routers between your network and the destination. Usually, a setting of 2 or
3 works.
Figure 5-6
Page 97 / 126
Wireless-N ADSL2+ Modem Router DGN2000 Reference Manual
Advanced Configuration
5-13
v1.0, July 2008
4.
Click
Apply
. The Static Routes table is updated to show the new entry.
How to Configure Universal Plug and Play
Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, access
the network and connect to other devices as needed. UPnP devices can automatically discover the
services from other registered UPnP devices on the network.
1.
Select UPnP on the main menu to display the UPnP screen:
Figure 5-7
Figure 5-8
Page 98 / 126
Wireless-N ADSL2+ Modem Router DGN2000 Reference Manual
5-14
Advanced Configuration
v1.0, July 2008
2.
Fill in the settings on the UPnP screen:
•
Turn UPnP On
. UPnP can be enabled or disabled for automatic device configuration. The
default setting for UPnP is enabled. If UPnp is disabled, the modem router does not allow
any device to automatically control the resources, such as port forwarding (mapping), of
the modem router.
•
Advertisement Period
. The advertisement period is how often the modem router
advertises (broadcasts) its UPnP information. This value can range from 1 to 1440
minutes. The default period is 30 minutes. Shorter durations ensure that control points
have current device status at the expense of additional network traffic. Longer durations
might compromise the freshness of the device status but can significantly reduce network
traffic.
•
Advertisement Time To Live
. The time to live for the advertisement is measured in hops
(steps) for each UPnP packet sent. A hop is the number of steps allowed to propagate for
each UPnP advertisement before it disappears. The number of hops can range from 1 to
255. The default value for the advertisement time to live is 4 hops, which should be fine
for most home networks. If you notice that some devices are not being updated or reached
correctly, then it might be necessary to increase this value a little.
•
UPnP Portmap Table
. The UPnP Portmap Table displays the IP address of each UPnP
device that is currently accessing the modem router and which ports (internal and external)
that device has opened. The UPnP Portmap Table also displays what type of port is opened
and if that port is still active for each IP address.
3.
To save, cancel your changes, or refresh the table:
•
Click
Apply
to save the new settings to the modem router.
•
Click
Cancel
to disregard any unsaved changes.
•
Click Refresh to update the portmap table and to show the active ports that are currently
opened by UPnP devices.
Building Wireless Bridging and Repeating Networks
With the DGN2000 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.
Page 99 / 126
Wireless-N ADSL2+ Modem Router DGN2000 Reference Manual
Advanced Configuration
5-15
v1.0, July 2008
Here are some examples of wireless bridged configurations:
•
Point-to-point bridge
. The modem router communicates with another bridge-mode wireless
station. See
“How to Configure a Point-to-Point Bridge Configuration
.”
•
Multi-point bridge
. The 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
“How to
Configure a Multi-Point Bridge
.”
•
Repeater with wireless client association
. Sends all traffic to the remote access point. See
“How to Configure a Repeater with Wireless Client Association
.”
To view or change these configurations, select Advanced Wireless Settings from the main menu:
Note:
The wireless bridging and repeating feature uses the default security profile to send
and receive traffic.
Figure 5-9
Page 100 / 126
Wireless-N ADSL2+ Modem Router DGN2000 Reference Manual
5-16
Advanced Configuration
v1.0, July 2008
How to Configure a Point-to-Point Bridge Configuration
In point-to-point bridge mode, the DGN2000 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 must enter the MAC address of the 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.
To set up a point-to-point bridge configuration (shown in
Figure 5-10
):
1.
Configure the DGN2000 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 DGN2000 modem router must have AP 2’s MAC address in its
Remote MAC Address
field, and AP 2 must have the DGN2000’s MAC address in its
Remote MAC Address
field.
3.
Configure both APs and verify that both APs are using he same SSID, channel, authentication
mode, if any, and security settings if security is in use.
4.
Disable the DHCP server on AP2. AP1 will then be the DHCP server.
5.
Verify connectivity across LAN Segment 1 and LAN Segment 2.
Figure 5-10
LAN Segment 1
PC’s
PC’s
LAN Segment 2
Switch or hub
AP 2
Both access points (APs) are in
192.168.0.1
Internet
AP 1 (DGN2000 modem router)
point-to-point bridge mode.

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