adhoc setup

8/2/2019 Adhoc Setup

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How to set up a direct Wi-Fi connection in Windows XP?(page 2 of 6)

Ad-hoc setup on the first computer (1)

1. Go to Control Panel and open Network Connections folder. If you have installed your Wi-

Fi adapter correctly, you will find a Wireless Network Connection icon on the right pane

under LAN or High-Speed Internet.

Figure: starting a connection from Wireless Network Connection icon.

2. Locate the Wireless Network Connection icon on the right pane. Right-click on it and click

Properties to open Wireless Network Connection properties window.

3. On the Wireless Networks tab of the Wireless Network Connection properties window,

click Add under Preferred networks. The Wireless Networks tab only appears if your wireless

network adapter supports Windows XP's Wireless Zero Configuration (WZC) service and

you have enabled it according to your adapter manufacturer directions or if it is possible
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simply uninstall the utility (software) that comes with your adapter but do not remove the

driver.

Figure: Creating a wireless (Wi-Fi) ad hoc (peer-to-peer) networkvia Wireless Network Connection properties window.

4. On the Association tab, type the name of your ad-hoc wireless network in Network name

(SSID).


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to set up a direct Wi-Fi connection in Windows XP?(page 3 of 6)

oc setup on the first computer (2)

Network Authentication, select from Open, Shared, and WPA-None. In infrastructure mode, WPA-PSK and WP

ns are available in the drop-down selection. In Windows XP SP1, you will only find Open and Shared, unless y

nstalled Windows Update for WPA.

Figure: Selecting the suitable wireless (Wi-Fi) Network Authentication(Open or Shared (WEP) and WPA-None) on the Wireless network properties window.

Data encryption, select one that is suitable for your situation. Assess your security risk. For example, you hav

ore cautious and opt for the strongest encryption if you create your ad-hoc at a public place.

chose Open or Shared in Network Authentication, you will find Disabled and WEP in Data encryption. Choose

want your data transfer to be encrypted. If you chose WPA-None in Network Authentication, you will find TKI

n Data encryption. Choose either TKIP or AES. AES is the strongest encryption standard typically used if one w

nnect to a corporate network with a RADIUS server handling user authentication.
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Figure: selecting the suitable Data encryption (Disabled, WEP, TKIP, or AES)on the Wireless network properties window.

Network key, type your encryption key as ASCII or hexadecimal characters. ASCII characters may contain let

ers, and symbols, while hexadecimal characters can only include numbers from 0 to 9 and letters from A to F

select WEP, the network key must be 5 ASCII or 10 hexadecimal characters for 64-bit encryption and 13 AS

xadecimal characters for 128-bit encryption. If you select WPA, the network key must be 8 to 63 ASCII or 64

decimal characters. Example of a valid network key: AD083BC1A5 for 64-bit WEP encryption.

Confirm network key, retype your key.

ick OK on the Wireless network properties window to save changes to your wireless network.

ick OK on the Wireless Network Connection properties window to save changes to your wireless network adap


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How to set up a direct Wi-Fi connection in Windows XP?(page 5 of 6)

Internet Connection Sharing (ICS) setup

On the computer that is connected directly to the Internet. Do these steps to share an Internet

connection. (You are assumed to have configured your Internet connection before. If not, use theNew

Connection Wizardthen.)

1. Open Network Connections folder.

2. On the right pane, find the Internet connection that you want to share. Right-click on it and select

Properties. While the most likely case is sharing a wireline broadband (DSL/cable) service, basically you can

share any type of Internet connection (including PSTN dial-up, GPRS, 3G, FTTH, WiMAX, etc) using the
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same procedure.

If your broadband connection is using login (PPPoE) and you log in from Network Connections folder, you'll

find the Internet connection under Broadband. If your broadband connection is always on, your Internet

connection must be under LAN or High-Speed Internet. Find the Local Area Connection that corresponds

with the Ethernet card which connects the host computer to the broadband modem. Rename it to a name

that easily identifies your Internet connection. Follow the same procedure to enable ICS.

Figure. Opening an Internet connection properties window from Network Connectionsto create Internet connection sharing (ICS). Select the relevant Internet connection.

3. On the Advanced tab, check "Allow other network users to connect through this computer's Internet

connection" and select "Wireless Network Connection" from the drop-down box. The drop-down box only

appears if there are more than one network adapters installed in your computer.

If you don't find ICS options on Properties window, the most likely case is your Wi-Fi ad hoc network hasn't

been connected. Try to reconfigure it.


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Figure. Configuring Internet Connection Sharing (ICS) for the Wi-Fi ad hoc networkvia the Internet connection Properties window.

4. Click OK. You can verify whether your wireless LAN (ad hoc) and ICS have been working from the IP

addresses of your Wi-Fi adapters. If the IP addresses areAPIPAaddresses in this format 169.254.x.y

(where x and y are any integer from 0 to 254) with the same subnet (i.e. 255.255.0.0), then your ad hoc

network has been active. Browse your network configuration from My Network Places. If you have

configured your personal firewall to allow file and printer sharing (which is the default setting in Windows

Firewall), you will see both your computers in My Network Places>Microsoft Windows Network>your

workgroup name.

Meanwhile, for the ICS to work your Wi-Fi network adapter on the ICS host computer (which connects

directly to the broadband modem) must have been assigned this private gateway IP address 192.168.0.1
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and the ICS client (which will connect to the Internet via the ICS host) must have another IP address in this

format 192.168.0.z where z is any integer from 2 to 254.

To have IP addresses assigned automatically by Windows, you just need to make sure that your Wi-Fi

adapters are set to obtain IP address and DNS server address automatically (DHCP) which is the default

configuration. To verify, right click your Wireless Network Connection, and select Properties. On the General

tab, select Internet Protocol (TCP/IP) Properties.

Now you have finished the Wi-Fi ad-hoc network setup and enabled Internet connection sharing. To access

another computer resources (i.e. files, folders, drives, printer, peripherals), you must enable sharing with

other network users for each resource.

Figure. Viewing details of a Wireless Network Connection via the status windowYou can see among others: number of transferred packets, duration, signal strength, and IP address.


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Related links

Home Networking Guide : Internet Connection Sharing

All you need to know about IP address

Firewall setting to enable file and printer sharing
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Step-by-step Guide : How to share files and printers in a network

Printer sharing in a wireless network

Home Networking Guide : Direct Connection - using Wi-Fi

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