Belkin Router F5D8236-4 User Manual

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5�  l ease Time
The length of time the DHCP server will reserve the IP address for each 
computer. We recommend that you leave the lease time set to “Forever”. 
The default setting is “Forever”, meaning that any time a computer is 
assigned an IP address by the DHCP server, the IP address will not 
change for that particular computer. Setting lease times for shorter 
intervals such as one day or one hour frees IP addresses after the 
specified period of time. This also means that a particular computer’s 
IP address may change over time. If you have set any of the other 
advanced features of the Router such as DMZ or client IP filters, these 
are dependent on the IP address. For this reason, you will not want the 
IP address to change.
6 �  l ocal d omain Name
The default setting is “Belkin”. You can set a local domain name 
(network name) for your network. There is no need to change this setting 
unless you have a specific advanced need to do so. You can name the 
network anything you want such as “MY NETWORK”. Viewing the d HCP Client list Page
You can view a list of the computers (known as clients), which are 
connected to your network. You are able to view the IP address (1) of the 
computer, the host name (2) (if the computer has been assigned one), 
and the MAC address (3) of the computer’s network interface card (NIC). 
Pressing the “Refresh” (4) button will update the list. If there have been 
any changes, the list will be updated. 
(1)(2)(3)
(4) 
						

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Configuring the Wireless Network  settings
The “Wireless” tab lets you make changes to the wireless network 
settings. From this tab you can make changes to the wireless network 
name or Service Set Identifier (SSID), operating channel, encryption 
security settings, and configure the Router to be used as an access point.
Changing the Wireless Network Name ( ssId )
To identify your wireless network, a name called the SSID  is used. 
The SSID is your network name. The default network name of the 
Router is “Belkin N Wireless” followed by six digits that are unique to 
your Router. Your network name will look something like “Belkin_N_
Wireless_123456”. You can change this to anything you choose, or 
you can leave it unchanged. Keep in mind, if you decide to change 
your wireless network name, and there are other wireless networks 
operating in your area, your network name needs to be different from 
other wireless networks that may be operating in your area. To change 
the SSID, type in the SSID that you want to use in the SSID field (1) 
and click “Apply Changes” (2). The change is immediate. If you make a 
change to the SSID, your wireless-equipped computers may also need 
to be reconfigured to connect to your new network name. Refer to the 
documentation of your wireless network adapter for information on 
making this change.
(1)
(2)
Note:  Please periodically check for new Router firmware updates 
from the “Utilities > Firmware update” page. Newer firmware can fix 
problems, add wireless features, and/or improve wireless performance 
(see page 62). 
						

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Changing the Wireless Channel
There are a number of operating channels from which you can choose—
in the United States, there are 11 and in the United Kingdom (and most 
of Europe), there are 13. In a small number of other countries, there are 
other channel requirements. Your Router is configured to operate on the 
proper channels for the country in which you reside. The channel can 
be changed if needed. If there are other wireless networks operating in 
your area, your network should be set to operate on a channel that is 
different than the other wireless networks.
extension Channel
The IEEE 802.11n draft specification allows the use of a secondary 
channel to double the bandwidth (see “Using the Bandwidth Switch” 
below). An appropriate extension channel will be displayed when 
operating in 40MHz mode (see “Using the Wireless Mode Switch” 
below). The channel can be changed if needed.
Using the Wireless Mode s witch
This switch allows you to set the Router’s wireless modes. There are 
several modes.
Note:  Some modes may require firmware updates to be enabled. 1) 
of f
This mode will turn OFF the Router’s access point, so no wireless 
devices can join the network. Turning off the wireless function of your 
Router is a great way to secure your network when you are away from 
home for a long period of time, or don’t want to use the wireless feature 
of the Router at a certain time.
2) 802 �11g only
Setting the Router to this mode will allow only 802.11g-compliant 
devices to join the network, keeping out any slower 802.11b devices.
3) 802 �11b+g+n 
Setting the Router to this mode will allow 802.11b-, 802.11g-, and 
802.11n-compliant devices to join the network.
4) 802 �11n only
Setting the Router to this mode will allow only N/draft 802.11n-compliant 
devices to join the network, keeping out 802.11g and 802.11b devices. 
						

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Using the b andwidth switch
This switch allows you to set the Router’s wireless bandwidth modes. 
There are several modes available: 
1) 20MHz only
Setting the Router to this mode allows only 20MHz operation. This mode 
is compatible with N, draft 802.11n-, 802.11g-, and 802.11b-compliant 
devices, but will limit N, draft 802.11n-compliant devices’ bandwidth by 
half. Reducing bandwidth to 20MHz-only operation might solve some 
wireless problems. 
2) 20MHz/40MHz  auto 
Setting the Router to this mode allows it to switch automatically between 
20MHz and 40MHz operation. This mode enables 40MHz operation, to 
maximize speed for N, draft 802.11n-compliant devices when conditions 
permit. When a legacy 802.11g access point is presented and occupies 
an adjacent secondary channel, the Router automatically reverts to 
20MHz operation to maximize compatibility. We recommend using this 
as the default mode. 
						

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Using the  broadcast  ssId  f eature 
Note: This advanced feature should be employed by advanced 
users  only�
For security, you can choose not to broadcast your network’s SSID. 
Doing so will keep your network name hidden from computers that 
are scanning for the presence of wireless networks. To turn off the 
broadcast of the SSID, remove the check mark from the box next to 
“Broadcast SSID”, and then click “Apply Changes”. The change is 
immediate. Each computer now needs to be set to connect to your 
specific SSID; an SSID of “ANY” will no longer be accepted. Refer to 
the documentation of your wireless network adapter for information on 
making this change.
Protected Mode  switch
Protected mode ensures proper operation of N, draft 802.11n-compliant 
devices on your wireless network when 802.11g or 802.11b devices 
are present or when there is heavy 802.11g or 802.11b traffic in the 
operating environment. Use protected mode if your network consists of 
a mix of Belkin N Wireless Cards and 802.11g or 802.11b cards on your 
network. If you are in an environment that includes little to no 802.11g 
or 802.11b wireless network traffic, you will achieve the best N wireless 
performance with protected mode OFF. Conversely, in an environment 
with HEAV Y 802.11g or 802.11b traffic or interference, you will achieve 
the best N wireless performance with protected mode ON. This will 
ensure N wireless performance is not affected.  Changing the Wireless s
ecurity settings
Your N Wireless Router is equipped with the latest security standard 
called Wi-Fi Protected Access™ 2 (WPA2™) and the legacy security 
standard called Wired Equivalent Privacy (WEP). Your Router also 
supports the Wi-Fi Protected Setup™ (WPS) specification, which 
simplifies the setup of a wireless network. WPS uses familiar 
methodologies, such as typing in a Personal Identification Number (PIN) 
or pushing a button, to enable users to automatically configure network 
names and strong WPA™/ WPA2 data encryption and authentication. By 
default, wireless security is disabled. To enable security, you will need 
to determine which standard you want to use. To access the security 
settings, click “Security” on the “Wireless” tab.
802
�11e/WMM Qo s s witch
Allows you to turn ON or OFF wireless QoS. 
						

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Using Wi- fi Protected s etup (WPs)
WPS recommends that you set up WPA / WPA2 (described on page 46) 
as your wireless security. WPS does not provide additional security, but 
rather, simplifies the addition of wireless devices to your wireless network. 
You may use either the Push Button Configuration (PBC) method or PIN 
method to allow a device access to your wireless network. 
PBC: Push and hold the WPS button located on the front of your Router 
for three seconds and the security LED will flash, indicating that WPS 
has been initiated. Then, initiate WPS on the client device within two 
minutes. (Refer to your client’s documentation on this procedure.) The 
wireless device and Router will automatically exchange a security key 
and establish a secure connection. 
PIN: The client device has a WPS PIN number (eight digits) that will be 
provided to you when you initiate the connection to the Router. Enable 
WPS through the screen illustrated to the right. Enter the client’s PIN 
into the Router’s internal registrar (accessed through this screen).   
The client will be securely enrolled into your wireless network within   
two minutes. 
						

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1�  Wi-Fi Protected Setup (WPS): Enabled or Disabled.
2 �  Personal Identification Number (PIN) Method: In this 
method, a wireless client wishing to access your network 
must supply an 8-digit PIN to the Router. After clicking “Enroll”, 
you must start WPS from the client within two minutes.
3�     Router PIN: If an external registrar is available, you may enter in the 
Router’s PIN to the registrar. Click “Generate New PIN” to change 
the PIN from the default value. Click “Restore Default PIN” to reset 
the PIN value.
4 �  Push Button Configuration (PBC) Method: PBC is an alternate 
method to connect to a WPS network. Push the WPS button 
located on the front of the Router for three seconds, and 
then initiate the PBC on the client device. Alternatively, 
push the “Start PBC” soft button to start this process.
5 �  Manual Configuration Method: This section lists the default 
security settings to be set up if not using WPS. WP
a2 Requirements
IMP oRT aNT:  In order to use WPA2 security, all your computers and 
wireless client adapters must be upgraded with patches, driver, and client 
utility software that supported WPA2. At the time of this User Manual’s 
publication, a couple security patches are available, for free download, 
from Microsoft
®. These patches work only with the Windows XP operating 
system. Other operating systems are not supported at this time.
  For Windows XP computers that do not have Service Pack 2 
(SP2), a file from Microsoft called “Windows XP Support Patch 
for Wireless Protected Access (KB 826942)” is available for 
free download at http://support.microsoft.com/kb/826942
  For Windows XP with Service Pack 2, Microsoft has 
released a free download to update the wireless client 
components to support WPA2 (KB971021). The update is 
available from: http://support.microsoft.com/kb/917021
IMP oRT aNT:  You also need to ensure that all your wireless client 
cards/adapters suppor t WPA 2, and that you have downloaded and 
installed the latest driver. Most of the Belkin wireless cards have 
driver updates available for download from the Belkin suppor t site: 
www.belkin.com/networking. 
						

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s etting WP a/WP a2-Personal (P sK)  
1�  After you’ve set up your Router, go to the “Security” 
page under “Wireless” and select “WPA / WPA2-Personal 
(PSK )” from the “Security Mode” drop-down menu.
2 �  For “Authentication”, select “WPA-PSK”, “WPA2-PSK”, 
or “WPA-PSK + WPA2-PSK”. This setting will have to be 
identical on the wireless clients that you set up. “WPA-
PSK + WPA2-PSK” mode will allow the Router to support 
clients running either WPA or WPA2 security.
3 �  Enter your pre-shared key (PSK ). This can be from eight to 
63 characters and can be letters, numbers, or symbols. This 
same key must be used on all of the wireless clients that you 
set up. For example, your PSK might be something like: “Smith 
family network key”. Click “Apply Changes” to finish. You 
must now set all wireless clients to match these settings.
IMP oRT aNT:  Make sure your wireless computers are updated to 
work with WPA or WPA2, and have the correct settings to get proper 
connection to the Router. 
						

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s etting We P encryption  
Note to Mac users: The “Passphrase” option will not operate with 
Apple® AirPort®. To configure encryption for your Mac computer, set the 
encryption using the manual method described in the next section. 
1�  Select “128-bit WEP” or “64-bit WEP” from the drop-down menu.
2 �  After selecting your WEP encryption mode, you can enter you WEP 
key manually by typing in the hex WEP key manually, or you can 
type a passphrase in the “PassPhrase” field and click “Generate” to 
create a WEP key from the passphrase. Click “Apply Changes” to 
finish. You must now set all of your clients to match these settings.
3�  Encryption in the Router is now set. Each of your computers on 
your wireless network will now need to be configured with the 
same passphrase. Refer to the documentation of your wireless 
network adapter for information on making this change. 
						

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Using a Hexadecimal Key 
A hexadecimal key is a mixture of numbers and letters from A–F and 
0 –9. 64-bit keys are 10 digits long and can be divided into five two-digit 
numbers. 128-bit keys are 26 digits long and can be divided into 13 
two-digit numbers.
For instance:
AF 0F 4B C3 D4 = 64-bit key
C3 03 0F AF 0F 4B B2 C3 D4 4B C3 D4 E7 = 128-bit key
In the boxes below, make up your key by writing in two characters 
between A–F and 0 –9. You will use this key to program the encryption 
settings on your Router and your wireless computers.
Note to Mac users: Original Apple AirPort products support 64-bit 
encryption only. Apple AirPort 2 products can support 64-bit or 128-bit 
encryption. Please check your product to see which version you are 
using. If you cannot configure your network with 128-bit encryption, try 
64-bit encryption.Using the  access Point Mode
Note:  This advanced feature should be employed by advanced users 
only. The Router can be configured to work as a wireless network 
access point. Using this mode will defeat the NAT IP sharing feature and 
DHCP server. In AP mode, the Router will need to be configured with an 
IP address that is in the same subnet as the rest of the network that you 
will bridge to. The default IP address is 192.168.2.254 and subnet mask 
is 255.255.255.0. These can be customized for your need.
1 .  Enable the AP mode my selecting “Enable” in the “Use as Access 
Point only” page. When you select this option, you will be able to 
change the IP settings.
2 �  Set your IP settings to match your network. Click “Apply Changes”.
3�   Connect a cable from the WAN port on the Router to your 
existing network.
The Router is now acting as an access point. To access the Router 
advanced user interface again, type the IP address you specified into 
your browser’s navigation bar. You can set the encryption settings, 
MAC address filtering, SSID, and channel normally.