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802.11g Wireless Router
31
5.2.5 DNS Relay
The DNS Configuration allows the user to set the configuration of DNS.
DNS Relay Selection:
If user wants to disable this feature, he just needs to set both Primary &
Secondary DNS to 0.0.0.0. Using DNS relay, users can setup DNS server IP to 192.168.1.1 on
their computer. If not, device will perform with NO DNS relay feature.
If you don’t want to use the DNS Relay option, set the DNS relay to “
Use User
Discovered
DNS Server Only
” and set both Primary and Secondary DNS Servers to
0.0.0.0
”.
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802.11g Wireless Router
32
5.3 Wireless
5.3.1 Access Point Settings
Access Point:
Select this section for Activated or Deactivated AP function.
Channel:
Select the local channel from the drop down list.
Beacon Interval:
The Beacon Interval value indicates the frequency interval of the beacon. Enter a
value between 20 and 1000. A beacon is a packet broadcast by the Router to synchronize the wireless
network.
RTS/CTS Threshold:
The RTS (Request To Send) threshold (number of bytes) for enabling RTS/CTS
handshake. Data with its frame size larger than this value will perform the RTS/CTS handshake. Set
this attribute to be larger than the maximum MSDU (MAC Service Data Unit) size TURNS OFF the
RTS/CTS handshake. Set this attribute to ZERO TURNS ON the RTS/CTS handshake. Enter a value
between 0 and 2432.
Fragment Threshold:
The threshold (number of bytes) for the fragmentation boundary for directed
messages. It is the maximum data fragment size that can be sent. Enter a value between 256 and 2432.
DTIM: This value is between 1 and 255, indicates the interval of the Delivery Traffic Indication
Message (DTIM).
802.11 b/g: Select the wireless mode in the sectio
n.
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802.11g Wireless Router
33
5.3.2 Multiple SSIDs Settings
SSID:
The SSID is a unique name to identify the ADSL Router in the Wireless LAN. Wireless Clients
associating to the ADSL Router must have the same SSID. The default SSID name is
WF200.
.
Broadcast SSID
: Select
No
to hide the SSID such that a station (PC, laptop, PDA etc) can not obtain
the SSID through passive scanning. Select
Yes
to make the SSID visible so a station can obtain in the
SSID through Passive scanning.
Authentication Type:
Select wireless authentication type to configure wireless AP. There are 4
available types – WEP-64Bits, WEP-128Bits, WPA-PSK, WPA2-PSK.
[Authentication Type]
WEP
(Wired Equivalent Privacy) encrypts data frames before transmitting over the wireless network.
Select
Disable
to allow all wireless computers to communicate with the access points without any data
encryption. Select
64-bit WEP
or
128-bit WEP
to use data encryption.
Key#1~Key#4
The WEP keys are used to encrypt data. Both the ADSL Router and the wireless clients
must use the same WEP key for data transmission. If you chose
64-bit WEP
, then enter any
10
hexadecimal digits (“0-9”, “A-F”) preceded by 0x for each key (1-4). If you choose
128bit WEP
, then
enter
26
hexadecimal digits (“0-9”, “A-F”) preceded by 0x for each key (1-4). The values must be set
up exactly the same on the Access Points as they are on the wireless client stations. The same value
must be assigned to Key 1 on both access point (your ADSL Router) and the client adapters, the same
value must be assigned to Key 2 on both access point and the client stations and so on, for all four WEP
keys.
WPA-PSK
Wi-Fi Protected Access, pre-shared key. Encrypts data frames before transmitting over the
wireless network.
Pre-shared Key
is used to encrypt data. Both the ADSL Router and the wireless clients must use the
same WPA-PSK Key for data transmission.
5.3.3 WDS Settings
A WDS (Wireless Distribution System) is a system that enables the interconnection of access points
wirelessly. It allows a wireless network to be expanded using multiple access points without the need
for a wired backbone to link them.
WDS is another way for AP router to join an existing Wi-Fi network. The WDS feature is normally
used in large, open areas where pulling a wire is restricted or not cost effective in residential
installations. User can use this feature to build up a large wireless network in a large space like airports,
hotels and schools…etc. This feature is also useful when users want to bridge networks between
buildings where it is impossible to deploy network cable connections between these buildings.
WDS Mode: (1) Restricted – WDS peers must be registered with AP router (by MAC
addresses). (2) Bridge – AP router will function as a wireless bridge, forwarding traffic between access
points, and will not respond to wireless requests. The WDS peers must be manually stated and wireless
stations will not be able to connect to AP router. (3) Repeater – AP router will act as a repeater,
interconnecting between access points. WDS peers can be determined by the user (“Restricted” mode)
or auto-detected (“Lazy” mode) (4) Lazy– Automatic detection of WDS peers: when a LAN user
searches for a network, AP router will attempt to connect to WDS devices in its vicinity.
MAC address #1~#4: Specify the destination MAC address device. The MAC addresses filter
tunnelling lets you select exactly which stations should have access to your network.
5.3.4 Wireless MAC Address Filter
You can allow or deny a list of MAC addresses associated with the wireless stations access to the
ADSL Router.
Active:
Select this section to activate or deactivate Wireless MAC address filter.
Action:
Select
Deny Association
to block access to the router, MAC addresses not listed will be
allowed to access the router. Select
Allow Association
to permit access to the router, MAC addresses
not listed will be denied access to the router.
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802.11g Wireless Router
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6 Advanced Setup
6.1 Firewall
User can enable or disable firewall feature of the ADSL router in the following page.
Firewall:
Select this option can automatically detect and block Denial of Service (DoS) attacks, such
as Ping of Death, SYN Flood, Port Scan and Land Attack.
SPI:
Select this option to Enabled or Disabled the SPI feature.
(
NOTE:
If you enable SPI, all traffics
initiate from WAN would be blocked, including DMZ, Virtual Server, and ACL WAN side)
6.2 Routing
This table lists IP address of Internet destinations commonly accessed by your network. When a
computer requests to send data to a listed destination, the device uses the Gateway IP to identify the
first Internet router it should contact to route the data most efficiently. Select this option will list the
routing table information. You can press
ADD ROUTE
to edit the static route. (As below screen)
[Static Route]
Select this option to set Static Routing information.
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802.11g Wireless Router
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Destination IP Address:
This parameter specifies the IP network address of the final destination of
packets routed by this rule.
IP Subnet Mask:
Enter the subnet mask for this destination.
Gateway IP Address:
Enter the IP address of the gateway. A
gateway
does the actual forwarding of
the packets. Enter the gateway’s IP address in the field or select which PVC you wish to act as a
gateway.
The gateway is an immediate neighbor of your ADSL Router that will forward the packet to the
destination. On the LAN, the gateway must be a router on the same segment as your Router; over
Internet (WAN), the gateway must be the IP address of one of the remote nodes.
Metric:
Metric represents the “cost” of transmission for routing purposes. IP Routing uses hop count as
the measurement of cost, with a minimum of 1 for directly connected networks. Enter a number that
approximates the cost for this link. The number need not to be precise, but it must between 1 and 15. In
practice, 2 or 3 is usually a good number.
Announced in RIP:
This parameter determines if the ADSL router includes the router to this remote
node in its RIP broadcasts. If you choose
Yes
, the router in this remote node will be propagated to other
hosts through RIP broadcasts. If you choose
No
, this route is kept private and is not included in the RIP
broadcasts.
When you have finished making changes, click on
SAVE
to save your changes,
DELETE
to delete the
rule with the parameters you set,
BACK
to return to the previous screen or
CANCEL
to exit without
saving.
6.3 NAT
Network Address Translation (NAT)
is a method for disguising the private IP addresses you use on
your LAN as the public IP address you use on the Internet. You define NAT rules that specify exactly
how and when to translate between public and private IP addresses. Simply select this option to setup
the NAT function for your ADSL router.

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