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Wireless Settings
69
Figure 51
Add WDS screen
On the add WDS screen, enter the MAC address of the access point, up
to 4 APs can be added to the
AP MAC Address
table, and click
Apply
.
Here is an example of how to setup two units of 3Com Router over WDS.
Note that when setting up two units of 3Com Router, you should disable
the DHCP function on one of the units.
Setting of the first Router:
Set the LAN IP setting, make sure the DHCP function is enabled on this
Router.
Set the wireless settings, including SSID, channel, and wireless mode.
Set the wireless security setting, and enable wireless WDS function.
Setting of the second Router:
Set the LAN IP setting, use a different IP address from the IP address of
the first Router. Disable the DHCP function, this would allow the first
Router to allocate IP address for wireless clients.
Set the wireless channel, and security same as the first Router, but use
a different SSID. Make sure that WDS function is enabled.
Access the Web UI of the first Router, use wireless WDS settings screen,
make sure that WDS is enabled. Click
Rescan Wireless Networking
to
scan the available APs in your area, you should see the SSID of the second
Router. Check and add the second Router to the WDS table (see
Figure 52
).
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OUTER
Figure 52
First Router add WDS Screen
Access the Web UI of the second Router, repeat the above steps to add
the first Router to the WDS table (see
Figure 53
).
Figure 53
Second Router add WDS Screen
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Page 73 / 172
Wireless Settings
71
Advanced
The Advanced screen allows you to configure detailed settings for your
wireless connection. Please note that you should not change this settings
unless you are an expert user. There are six parameters that you can
configure:
Figure 54
Wireless Advanced Setting Screen
Beacon Interval: this represents the amount of time between beacon
transmissions.
DTIM Interval: A DTIM (Delivery Traffic Indication Message) is a
countdown mechanism used to inform your wireless clients of the
next window for listening to broadcast and multicast messages.
Fragmentation Threshold: this is the maximum size for directed data
packets transmitted. The use of fragmentation can increase the
reliability of frame transmissions. Because of sending smaller frames,
collisions are much less likely to occur.
RTS Threshold: RTS stands for Request to Send, this parameter
controls what size data packet the low level RF protocol issues to an
RTS packet.
CTS Protection Mode: CTS stands for Clear to Send. CTS Protection
Mode boosts the Router’s ability to intercept 802.11b/ 802.11g
transmissions. Conversely, CTS Protection Mode decreases
performance. Leave this feature disabled unless you encounter severe
communication difficulties between the Router and your wireless
clients.
AP Isolation Mode: AP Isolation is a function to prevent wireless clients
connected with the device from communicating with one another.
When enabled, this creates a separate virtual network for your
wireless network, each of your wireless client will be in its own virtual
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network and will not be able to communicate with each other. You
may want to utilize this feature if you have many guests that
frequently connect to your wireless network.
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Internet Settings
73
Internet Settings
You can configure the settings for your WAN port connection.
WAN
This feature is used to configure the parameters for your Internet
connection. The information necessary to complete these screens should
be obtained from your ISP. Check with your ISP first to find out what type
of connection you should choose.
Figure 55
WAN Screen
There are five options available for the connection mode:
Dynamic IP — Using DHCP for WAN connection (see
page 74
)
Static IP — Using fixed IP for WAN connection (see
page 75
)
PPPoE — PPP over Ethernet, providing routing for multiple PCs (see
page 76
)
PPTP — Point-to-Point Tunneling Protocol (see
page 77
)
L2TP — Layer 2 Tunneling Protocol (see
page 78
)
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