Thank you for purchasing a Buffalo AirStation. The WHR-1166D AirStation is a dual-band wireless router with
outstanding performance and range. It combines high data transfer speeds with a robust set of extra features like QoS,
guest accouts, eco mode, and web filtering. This manual will help you set up and use your new wireless router.
For advanced users, use a wired Ethernet connection to access the AirStation’s settings:
• Default LAN-side IP address: 192.168.11.1
• Username: admin
• Default password: password
Diagrams and Layout
Front Panel
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1 AOSS button
To initiate AOSS, hold down this button until the wireless LED flashes (about 3 second). Then, push or click the
AOSS button on your wireless client device to complete the connection. Both devices must be powered on.
2 Power/Diag LED (Green or Amber)
On (Green):
Power is on.
Blinking (Green):
Booting.
Off:
Power is off.
2 blinks (Amber)**:
Flash ROM error.
3 blinks (Amber)**:
Wired LAN error.
4 blinks (Amber)**:
Wireless LAN error.
5 blinks (Amber)***:
IP address setting error.
Continuously blinking (Amber)*:
Updating firmware, saving settings, or initializing settings.
* Do not unplug the AC adapter while the LED is blinking continuously.
** Turn off AirStation first, wait for a few seconds, then turn it back on.
*** WAN-side and LAN-side IP addresses are the same. Change the LAN-side IP address of the AirStation.
3 Wireless LED (Green or Amber)
On:
Wireless LAN is enabled or transmitting.
Double blinks:
AirStation is waiting for an AOSS or WPS security key.
Continuously blinking:
AOSS/WPS error; failed to exchange security keys.
Off:
Wireless LAN is disabled.
Note: The wireless LED will be green if security is enabled or amber if it is disabled.
4 Internet Access LED (Green)
On:
Router functionality is enabled and you can connect to the Internet.
Blinking:
Router functionality is enabled but you cannot connect to the Internet.
Off:
Router functionality is disabled (the AirStation is in bridge mode).
5 Router LED (Green or Amber)
On (Green):
Mode switch is in the “Auto” position.
On (Amber):
Mode switch is in the “Router” position.
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Off:
Mode switch is in the “Bridge” position.
Back Panel
1 Mode Switch
This switch changes between router mode and bridge (access point) mode. Auto mode will enable or disable
router functionality automatically.
2 LAN Port
Connect your computer, hub, or other Ethernet devices to these ports. This switching hub supports 10 Mbps and
100 Mbps connections
3 Internet Port
10 Mbps, 100 Mbps, and 1000 Mbps connections are supported.
Note: In bridge mode, the Internet port becomes a regular LAN port that supports also 1000 Mbps, for a total of 5
usable LAN ports.
4 Reset Button
To reset all settings, hold down this button until the power/diag LED turns amber (about 3 seconds). The power
must be on for this to work.
5 DC Connector
Connect the included AC adapter here.
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Bottom
1 Setup Card Slot
This is the slot where the AirStation setup card is stored. The initial settings for the username, password, SSID, and
encryption type are provided on the card.
How to Set Up AirStation for the First Time
Connect to a PC and Power On
To configure your AirStation, follow the procedure below.
1 Verify that you can connect to the Internet without the AirStation, then turn off your modem and computer.
2 Unplug the LAN cable which connects your computer and modem.
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3 Confirm that the mode switch is in the “Auto” position. Plug one end of the LAN cable into your modem and the
other end to the AirStation’s Internet (WAN) port. Turn on the modem.
4 Turn on the AirStation and wait one minute.
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5 If using a wired LAN, connect the AirStation LAN port and computer using a LAN cable.
If using a wireless LAN, connect the computer to the wireless LAN as described in Chapter 3.
6 Once your computer has booted, the AirStation’s LEDs should be lit as described below:
7 Launch a web browser. If the home screen is displayed, setup is complete.
If username and password fields are displayed, enter “admin” for the username and “password” for the password,
then click Log In. Step through the wizard to complete setup.
You’ve completed the initial setup of your AirStation.
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Opening Settings
To configure the AirStation, log in to Settings as shown below.
1 Launch a web browser.
2 Enter the AirStation’s LAN-side IP address in the address field and press the enter key.
Notes:
• The AirStation’s default LAN-side IP address depends on the mode.
• In router mode: 192.168.11.1
• In bridge (access point) mode: 192.168.11.100
• In wireless bridge mode: 192.168.11.100
If the mode switch is set to Auto and the AirStation is in bridge (access point) mode, the AirStation’s IP address is
assigned by an external DHCP server.
• If you changed the IP address of the AirStation, then use the new IP address.
3 Enter “admin” for the username and “password” for the password, then click Log In.
Note: If you forget your password, hold down the reset button to initialize all settings. Note that all other settings
will also revert to their default values.
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4 This is the home page of Settings, where most AirStation settings can be configured.
Connect Your Wireless Devices
For each wireless device that you want to connect to the network, use the device’s built-in software to search for
available networks. Find your SSID (the name of your wireless network) on the list of detected networks and select it.
Enter the passphrase for the network and you’ll be connected. Repeat for any additional wireless client devices that you
want to connect.
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Chapter 2 - Settings
Settings is the configuration GUI for the AirStation. You can configure all settings for the AirStation from here.
Easy Admin
Home
When you first open Settings, the Easy Admin page is shown. From this page you can easily configure common settings.
The examples below assume the AirStation is in router mode.
WirelessDisplays current wireless status. Click the panel to configure wireless settings.
AOSS/WPSDisplays current AOSS/WPS status. Click the panel to run AOSS/WPS.
Guest Accounts
Web FilteringDisplays current content filter status. Click the panel to configure web filtering.
Network Devices
Advanced SettingsClick the panel to configure advanced settings.
Displays current guest accounts status. Click the slider to turn guest accounts on or off.
Click the panel to configure guest accounts settings.
Displays the number of devices connected to the network. Click the panel to check each
device’s status.
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Wireless
Configure basic wireless settings here.
2.4 GHz (11n/g/b)
5 GHz (11ac/n/a)
SSID 1Each SSID may contain up to 32 alphanumeric characters.
Encryption
Encryption Key
Channel
Bandwidth
You may enable or disable either wireless frequency range independently. If both
wireless radios are disabled, the AirStation will not communicate wirelessly.
The following types of encryption are available:
WPA2-PSK AES
WPA2 authentication with AES encryption is the best system available. Highly
recommended if all your wireless clients support it.
WPA-PSK AES
WPA authentication with AES encryption is an older system, but still secure.
WPA/WPA2-mixed PSK AES
For maximum compatibility, this system allows any combination of WPA, WPA2, and AES.
This encryption system works with most older clients but is not very secure.
No Encryption
No encryption means that anyone can log in to your wireless network, snoop on your
wireless traffic, and use your bandwidth. Not recommended for most users.
Note: To use WEP encryption, navigate to Wireless - 2.4 GHz (or 5 GHz) - Encrypt Wireless
Data and select WEP.
The encryption key is like the “password” for your wireless network. It may contain 8 to
63 case-sensitive alphanumeric characters (ASCII) or 64 hexadecimal characters (0-9 and
a-f, not case-sensitive).
For best results, select Auto Channel. The AirStation will seek and use the clearest
channel automatically. Alternately, you may choose a wireless channel manually.
In rural areas with little wireless traffic, a larger bandwidth setting may improve wireless
performance significantly. However, if you are in an urban area with much wireless traffic
and interference, the default bandwidth is recommended.
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AOSS/WPS
The following window appears when you click the panel. Click OK to start AOSS/WPS.
Guest Accounts
Configure guest account settings here.
SSIDThe SSID for the guest accounts may contain up to 32 alphanumeric characters.
EncryptionSelect an encryption mode for the guest accounts.
Permitted Access TimeThis is the amount of time that guests will be permitted to access the Internet.
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Web Filtering
Configure web filtering. This is available in router mode only.
Block Malicious SitesBlocks malware, phishing, and scam sites.
Block Malicious and
Adult Sites
Block Malicious, Adult,
and Other Non-Family
Friendly Sites
No FiltersThis allows unrestricted access to all websites.
I agree to Norton’s
Terms of Service
Blocks malware, phishing, and sites that contain sexually explicit content.
Blocks malware, phishing, and scam sites, sites that contain sexually explicit material,
mature content, abortion, alcohol, crime, cult, drugs, gambling, hate, sexual orientation,
suicide, tobacco, and violence.
Web filtering is provided by Symantec Corporation. To enable, you must accept the
terms of service.
Norton ConnectSafe must be activated by the customer. Use of Norton ConnectSafe is subject to the terms of service
found at https://dns.norton.com/dnsweb/terms.do
.
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Network Devices
Check the status of each device connected to the network. This is available in router mode only.
Displays the IP address of each device connected to this product.
Displays the devices connected to the AirStation.
Click the appropriate icon to open each device’s settings.
Click the icon to send a Wake-on-LAN packet to the device.
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Advanced Settings
Internet
Configure the WAN-side port (Internet port) here.
Internet - Internet (Router Mode Only)
Method of Acquiring IP
Address
Default GatewayConfigure an IP address for the default gateway.
DNS Name Server
Address
Internet MAC Address
MTU Size of Internet
Port
Specify how the WAN-side IP address is obtained.
Specify IP addresses for the DNS server.
You may use the default MAC address or specify one manually.
Note: Configuring an improper MAC address may make the AirStation unusable. Do not
change the MAC address unless you know what you’re doing!
Configure the MTU value of the Internet port. Values of 578 to 1500 bytes may be
entered.
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PPPoE
Configure PPPoE settings here.
Internet - PPPoE (Router Mode Only)
Default PPPoE
Connection
IP Unnumbered PPPoE
Connection
PPPoE Connection ListEdit PPPoE destination. You can register up to 5 sessions.
Edit Connection ListClick this button to edit destination settings.
If you have registered multiple connection destinations in the PPPoE Connection List,
connection destinations selected here have priority.
Select the destination from the PPPoE Connection List to be used when Use IP Unnumbered is chosen as the method of acquiring IP address.
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This is displayed when Edit Connection List is clicked.
Name of Connection
Enter the name to identify the connected destination. You may enter up to 32
alphanumerical characters and symbols.
Username
Enter the username specified by your ISP for PPPoE certification. You may enter up to 64
alphanumerical characters and symbols.
Password
Enter the password specified by your ISP for PPPoE certification. You may enter up to 64
alphanumerical characters and symbols.
Service Name
Fill in this field only if your ISP specifies a service name. Leave blank otherwise. You may
enter up to 64 alphanumerical characters and symbols.
Connection Type
Specifies the timing for the AirStation to connect to your provider.
PPPoE Connection
Preferred ConnectionsDisplays information you have set regarding to the connection destination route.
Edit Preferred
Connections
Preferred PPPoE
Connection
Automatic Disconnection
Set time to disconnect after communication is stopped when the connection method is
set to Connection on Demand or Manual. You can enter up to 1440 minutes.
Authentication
Configure an authentication method with an ISP.
MTU Size
Configure the MTU (maximum transmission unit) size for PPPoE. Values of 578 to 1492
bytes may be entered.
MRU Size
Configure MRU (maximum receive unit) for PPPoE. Values of 578 to 1492 may be
entered.
Keepalive
If keepalive is enabled, the AirStation will issue an LCP echo request once a minute in
order to maintain the connection with the PPPoE. If the server does not respond for
more than 6 minutes, the line is recognized as disconnected and the AirStation will
terminate the connection. Disabled by default.
Click to edit the connection destination route settings.
Click Edit Preferred Connections to display.
Name
The destination to connect by PPPoE if Destination Address and Source Address match.
Select the destination registered to the PPPoE Connection List.
Destination Address
When communicating to this address, the AirStation will communicate with Name.
Source Address
When communicating from this address, the AirStation will communicate with Name.
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Dynamic DNS
Configure dynamic DNS settings here. Many settings are only available when the appropriate dynamic DNS service is
enabled.
Internet - Dynamic DNS (Router Mode Only)
Dynamic DNS ServiceSelect a supported dynamic DNS provider (DynDNS or TZO).
Username
Password
Hostname
Email Address
TZO Key
Domain Name
IP Address Update
Period
Internet-side IP Address
Domain Name
StatusDisplays the status of the dynamic DNS service.
Enter the dynamic DNS username. You may enter up to 64 alphanumerical characters
and symbols.
Enter the dynamic DNS password. You may enter up to 64 alphanumerical characters
and symbols.
Enter the dynamic DNS hostname. You may enter up to 255 alphanumerical characters,
hyphens, and periods.
Enter the email address which is registered to the dynamic DNS service. You may enter
up to 64 alphanumerical characters and symbols.
Enter the TZO key which is registered to the dynamic DNS service. You may enter up to
64 alphanumerical characters and symbols.
Enter the domain name which is registered to the dynamic DNS service. You may enter
up to 255 alphanumerical characters, hyphens, and periods.
Specifies the period to notify the dynamic DNS service provider of the current IP
address. For DynDNS, set it between 0 and 35 days. For TZO, set it between 0 and 99
days. If 0 (zero) days is set, no periodic update is performed.
The WAN-side IP address of the AirStation’s Internet port. This address is sent to the
dynamic DNS service provider.
The domain name assigned by the dynamic DNS service provider. The AirStation can be
accessed from the Internet using this domain name.
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NAT
Configure network address translation settings here. This enables LAN-side devices to communicate with the Internet.
Internet - NAT (Router Mode Only)
Address TranslationEnable to use network address translation.
LAN
Configure LAN-side and DHCP server settings.
LAN - LAN
LAN-side IP Address
DHCP ServerEnable or disable the DHCP server, which assigns LAN-side IP addresses automatically.
DHCP IP Address Pool
LAN-side IP Address (For
IP Unnumbered)
Advanced SettingsCheck Display to display DHCP server advanced settings options.
Lease Period
Default GatewaySet the default gateway IP address for the DHCP server to issue to clients.
DNS ServersSet the DNS server IP address for the DHCP server to issue to clients.
WINS ServerSet the WINS server IP address for the DHCP server to issue to clients.
Domain Name
By default, the LAN-side IP address is 192.168.11.1 with subnet mask 255.255.255.0. You
may change it here.
Configure the range of IP addresses to be assigned by the DHCP server and IP addresses
to be excluded from that range. Values from 1-256 may be entered.
Set an IP unnumbered LAN-side IP address.
Note: A PC with a normal LAN-side IP address and a PC with an IP unnumbered IP
address cannot communicate with each other.
Set the effective period for IP addresses assigned by the DHCP server. Up to 999 hours
may be entered.
Set the domain name for the DHCP server to issue to clients. You may enter up to 64
alphanumerical characters, hyphens, and periods.
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DHCP Lease
Configure DHCP exceptions here.
LAN - DHCP Lease (Router Mode Only)
Current DHCP Clients
Displays information for current leases. An IP address which is leased automatically can
be changed to manual leasing by clicking Add Client.
Routing
Configure the AirStation’s IP communication route here.
LAN - Routing
RoutingManual entries will appear here after being added.
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