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موضوع: شر کردن اینترنت وایرلس بین ۲ سیستم

  
  1. #1
    نام حقيقي: navid brkt

    تازه وارد
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    Khuzestan
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    شر کردن اینترنت وایرلس بین ۲ سیستم

    سلام
    راستش نمیدونستم عنوان رو چی انتخاب کنم که منظور رو برسونه

    من ۲تا سیستم دارم که یکی محل کار و دیگری منزل

    حالا هر دو این سیستم ها به یک دکل وایرلس تنظیم شدن.
    یعنی هم در محل کار و هم در منزل با یه اکانت کانکت میشم.
    حالا میخوام بدونم میشه مثلا سیستم منزل کانکت بشه به اینترنت و من از محل کارم به اینترنت منزل دسترسی داشته باشم.
    البته یک چیز هست که شاید کمک کنه در جواب دادن.

    من از محل کارمIP منزل رو Ping میکنم.(فقط کافیه سیستم ها روشن باشه و وایرلس هم روشن . نیازی به اینترنت نیست بدون کانکت شدن همدیگه رو پینگ میکنن)



    موضوعات مشابه:





  2. #2
    نام حقيقي: عضو عادی

    عضو عادی
    تاریخ عضویت
    May 2008
    محل سکونت
    تهران
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    من فکر میکنم سوال شما 1 کمی ناقص باشه شما از 1 اکانت استفاده میکنید در هر دو محل هم منزل هم در محل کار پس فکر نمیکنم احتیاجی داشته باشید به اینترنت منزلتون وصل بشید.
    فکر میکنم منظور شما remote desktop باشه که اگه در 1 رنج ای پی باشید با فعال کردن این گزینه راحت میتونید به کمپیوتر منزل وصل بشید و فایلهاتون رو شیر کنید.


    radar سپاسگزاری کرده است.

  3. #3
    نام حقيقي: حسین شلتوکی

    عضو عادی
    تاریخ عضویت
    Jun 2009
    محل سکونت
    اهواز
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    کانکشن که تو خونه داری را شیر کن
    advance allowe other copmputer..... را تیک بزن حالا توسیستم محل کار gateway را ip منزل بده هر دو سیستم اینترنت دارند ولی پهنای باند تقسیم میشه برای هردو هر چقدر میخواهی می تونی کامپیوتر به این روش اینترنت دار کنی ولی باید به فکر پهنای باند هم باشی



  4. #4
    نام حقيقي: navid brkt

    تازه وارد
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    محل سکونت
    Khuzestan
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    نقل قول نوشته اصلی توسط shaltookei نمایش پست ها
    کانکشن که تو خونه داری را شیر کن
    advance allowe other copmputer..... را تیک بزن حالا توسیستم محل کار gateway را ip منزل بده هر دو سیستم اینترنت دارند ولی پهنای باند تقسیم میشه برای هردو هر چقدر میخواهی می تونی کامپیوتر به این روش اینترنت دار کنی ولی باید به فکر پهنای باند هم باشی

    سلام
    بله منظور من همین بود و هر دو کامپیوتر در یک رنج آی پی هستند.
    در همین حالت معمولی ریموت دسکتاپ فعال میشه.
    این رو عصر تست میکنم
    ممنون ار لطفتون


    radar سپاسگزاری کرده است.

  5. #5
    نام حقيقي: navid brkt

    تازه وارد
    تاریخ عضویت
    Mar 2009
    محل سکونت
    Khuzestan
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    سلام


    دوستان جواب نداد



    بزارید یکم کاملتر توضیح بدم

    من 2 تا سیستم دارم

    1.

    Ip Address :192.168.2.197
    subnet :255.255.255.0
    Defult Gateway:192.168.2.16


    2.

    Ip Address :192.168.2.198
    subnet :255.255.255.0
    Defult Gateway:192.168.2.16



    حالا با همین تنظیمات این دو سیستم بدون اینترنت همدیگه رو پینگ میکنند.

    یعنی الان که من پشت سیستم 192.168.2.197 هستم و بزنم ping 192.168.2.198 پینگ میکنه

    به محض تغییر gateway دیگه همدیگه رو پینگ نمیکنن و فکر کنم تا اینجا درست باشه

    خوب حالا دوستان میگید چیکار کنم؟

    من مشکلی با share کردن فایل یا remote desktop ندارم

    فقط میخوام اینترنت 1 اکانت بین 2 سیستم share بشه

    راستی این 2 سیستم مستقیم متصل نیستن یعنی رابت این 2 سیستم همون 192.168.2.16 هست

    ممنون


    radar سپاسگزاری کرده است.

  6. #6
    نام حقيقي: حسین شلتوکی

    عضو عادی
    تاریخ عضویت
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    اهواز
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    شما با چه کانکشنی با اینترنت وصل مشید vpn یا pppoe یا بدون کانکشن؟


    radar سپاسگزاری کرده است.





  7. #7
    نام حقيقي: navid brkt

    تازه وارد
    تاریخ عضویت
    Mar 2009
    محل سکونت
    Khuzestan
    نوشته
    16
    سپاسگزاری شده
    3
    سپاسگزاری کرده
    6
    سلام

    با pppoeیا همون Broadband Connection


    radar سپاسگزاری کرده است.

  8. #8
    نام حقيقي: سهیل

    عضو عادی شناسه تصویری iSoheil
    تاریخ عضویت
    Sep 2009
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    CA/ON-To
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    من هم همین مشکل رو دارم، فقط تعداد کلاینت های من بیشتره...
    من فایل شیرینگ دارم، اما اینترنت شیر نمیشه! من از PPPOE اما به صورت Bridge استفاده می کنم.
    یعنی باید Connectionم رو شیر کنم، ولی هر کاری کردم نشد که نشد!!!


    radar سپاسگزاری کرده است.

  9. #9
    نام حقيقي: 1234

    مدیر بازنشسته
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    شما این کار را می کنید نمی شه یا یک کار دیگر؟

    Open the Network and Dial-up Connections folder. Then right click the Internet connection that you want to share and select Properties.


    The Properties sheet shows the network components associated with the connection.

    Click the Advanced tab, then check Allow other network users to connect through this computer's Internet connection.


    If you have more than one network adapter connected to local area networks, you'll see this screen instead. Click the down arrow and select the one to use for sharing the Internet connection. In this example, I'm using a wireless network.


    Check Allow other network users to control or disable the shared Internet connection if you wish to allow that capability on client computers running Windows 98, Me, or XP. For more information, read about the Internet Gateway.


    Click OK. If your local area network adapter already has an IP address assigned, WinXP warns you that it will change it. Click Yes to continue.






    nikwell و radar سپاسگزاری کرده‌اند.

  10. #10
    نام حقيقي: سهیل

    عضو عادی شناسه تصویری iSoheil
    تاریخ عضویت
    Sep 2009
    محل سکونت
    CA/ON-To
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    من قبلا به روش بالا میرفتم نمیشد، یک بار دیگه هم رفتم .. نشد !


    radar سپاسگزاری کرده است.

  11. #11
    نام حقيقي: 1234

    مدیر بازنشسته
    تاریخ عضویت
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    Default Gateway روی کامپیوتر های دیگه را چه جوری ست میکنی


    radar سپاسگزاری کرده است.

  12. #12
    نام حقيقي: 1234

    مدیر بازنشسته
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    یا این کار منظورتونه

    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 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) network
    via Wireless Network Connection properties window.
    4. On the Association tab, type the name of your ad-hoc wireless network in Network name (SSID).
    Figure: input the wireless ad hoc network name (SSID), authentication, and encryption
    on the Association tab of Wireless network properties window.

    5. Check "This is a computer-to-computer (ad hoc) network" and clear "The key is provided for me automatically" if you want to input your network key manually.

    6. In Network Authentication, select from Open, Shared, and WPA-None. In infrastructure mode, WPA-PSK and WPA options are available in the drop-down selection. In Windows XP SP1, you will only find Open and Shared, unless you have installed 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.

    7. In Data encryption, select one that is suitable for your situation. Assess your security risk. For example, you have to be more cautious and opt for the strongest encryption if you create your ad-hoc at a public place.
    If you chose Open or Shared in Network Authentication, you will find Disabled and WEP in Data encryption. Choose WEP if you want your data transfer to be encrypted. If you chose WPA-None in Network Authentication, you will find TKIP and AES in Data encryption. Choose either TKIP or AES. AES is the strongest encryption standard typically used if one wants to connect to a corporate network with a RADIUS server handling user authentication.
    Figure: selecting the suitable Data encryption (Disabled, WEP, TKIP, or AES)
    on the Wireless network properties window.

    8. In Network key, type your encryption key as ASCII or hexadecimal characters. ASCII characters may contain letters, numbers, and symbols, while hexadecimal characters can only include numbers from 0 to 9 and letters from A to F.
    If you select WEP, the network key must be 5 ASCII or 10 hexadecimal characters for 64-bit encryption and 13 ASCII or 26 hexadecimal characters for 128-bit encryption. If you select WPA, the network key must be 8 to 63 ASCII or 64 hexadecimal characters. Example of a valid network key: AD083BC1A5 for 64-bit WEP encryption.
    9. In Confirm network key, retype your key.
    10. Click OK on the Wireless network properties window to save changes to your wireless network.
    11. Click OK on the Wireless Network Connection properties window to save changes to your wireless network adapter.
    Figure: the ad hoc network name appears on the Preferred networks list
    on Wireless Network Connection properties window.



    Ad-hoc setup on the second computer

    1. Open Network Connections folder.
    2. Locate the Wireless Network Connection icon and click "View Available Wireless Networks".
    Figure: Viewing available wireless networks from Wireless Network Connection icon.

    3. You will be prompted with Wireless Network Connection dialog box. It will show a list of all detected wireless networks within range.
    Figure: Starting a wireless connection in one easy step via the Wireless Network Connection window.
    For networks to appear on the list, the WZC service on Windows XP must be enabled.

    4. Select the name of the newly created ad-hoc network. Click Connect.
    5. Type the same network key as on the first computer when prompted. Click Connect. If you did not uncheck "The key is provided for me automatically" during setup on the first computer, leave the network key input box blank.
    Figure: Type the same network key on the prompt window to start a wireless connection.
    Now the Wi-Fi ad hoc network between the two computers is connected. A message balloon appears on the wireless LAN notification icon on the taskbar.
    Figure: Wireless network status message on Windows taskbar (system tray) icon.


    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 the New Connection Wizard then.)
    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 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 Connections
    to 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.
    Figure: Configuring Internet Connection Sharing (ICS) for the Wi-Fi ad hoc network
    via 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 are APIPA addresses 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 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 window
    You can see among others: number of transferred packets, duration, signal strength, and IP address




    Disconnecting and Reconnecting

    To disconnect from the ad hoc network, right-click the Wireless Network Connection icon on Network Connections folder and click "View available wireless networks". Select the ad hoc network name, and click Disconnect.
    Figure: To disconnect from an ad hoc network from the Wireless Network Connection window.

    By default, your computer will reconnect automatically if both computers are within range and the ad hoc network has been set as the first network on the Preferred network list. To change this automatic connection especially for security purpose, open Wireless Network Connection properties window. On Wireless Networks tab, under Preferred networks select the ad hoc network name and click Properties to open the ad hoc network properties window. On Connection tab, uncheck "Connect when this network is in range".
    Figure: To disable automatic connection via the ad hoc network name properties.

    Known problems for troubleshooting

    - Wireless Networks tab does not appear on Wireless Network Connection properties window. You must enable Wireless Zero Configuration (WZC) service on Windows XP from the wireless utility (configuration software) that came with your Wi-Fi adapter. But if your adapter can not work with WZC, use the wireless utility to set up an ad-hoc connection. On both computers, set the same channel number, SSID, and encryption type. Also enable peer-to-peer networking or ad hoc mode for each Wi-Fi adapters.
    - Can not connect from the second computer to the first computer during ad hoc network setup. This may be caused by problems in your wireless network adapters. Check whether the adapter is working properly from the Device Manager. If you use a USB Wi-Fi adapter, attach the adapter firmly to a USB connector or cradle.
    - The ad hoc network has been connected, but you can't access the shared resources. This might happen because both computers need more time to refresh IP addresses and other setup details. Wait for a couple of minutes. Check the status details from Network Connections folder on both computers. To speed up the process, you can click "Repair this connection" under Network Tasks on Network Connections folder. You can also ping the other computer through Command Prompt. Another possible cause is program blocking by Windows Firewall or other personal firewall software installed in your computer. Here is the solution.
    - Common situations that might hinder your ad hoc network setup: non-compatible Wi-Fi adapters, physical obstructions, range, and interference from other wireless devices or networks. And although most Wi-Fi adapters support peer-to-peer (ad hoc) networking, some Wi-Fi adapters were not designed for ad-hoc networking.



    aref-m، nikwell و radar سپاسگزاری کرده‌اند.





  13. #13
    نام حقيقي: 1234

    مدیر بازنشسته
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    How to configure Internet Connection Sharing in Windows XP

    How to configure Internet Connection Sharing in Windows XP

    View products that this article applies to.
    This article was previously published under Q306126
    On This Page




    #tocTitle, #tocDiv{display: none;}Expand all | Collapse all
    INTRODUCTIONThis article describes how to set up and use the Internet Connection Sharing fe...


    This article describes how to set up and use the Internet Connection Sharing feature in Microsoft Windows XP. With Internet Connection Sharing, you can use networked computers to share a single connection to the Internet.

    Back to the top
    How to use Internet Connection Sharing

    To use Internet Connection Sharing to share your Internet connection, the host computer must have one network adapter that is configured to connect to the internal network, and one network adapter or modem that is configured to connect to the Internet.

    On the host computer

    On the host computer, follow these steps to share the Internet connection:
    1. Log on to the host computer as Administrator or as Owner.
    2. Click Start, and then click Control Panel.
    3. Click Network and Internet Connections.
    4. Click Network Connections.
    5. Right-click the connection that you use to connect to the Internet. For example, if you connect to the Internet by using a modem, right-click the connection that you want under Dial-up.
    6. Click Properties.
    7. Click the Advanced tab.
    8. Under Internet Connection Sharing, select the Allow other network users to connect through this computer's Internet connection check box.
    9. If you are sharing a dial-up Internet connection, select the Establish a dial-up connection whenever a computer on my network attempts to access the Internet check box if you want to permit your computer to automatically connect to the Internet.
    10. Click OK. You receive the following message: When Internet Connection Sharing is enabled, your LAN adapter will be set to use IP
      address 192.168.0.1. Your computer may lose connectivity with other computers on
      your network. If these other computers have static IP addresses, it is a good idea to set them
      to obtain their IP addresses automatically. Are you sure you want to enable Internet
      Connection Sharing?
    11. Click Yes.

    The connection to the Internet is shared to other computers on the local area network (LAN). The network adapter that is connected to the LAN is configured with a static IP address of 192.168.0.1 and a subnet mask of 255.255.255.0

    To view a video about how to configure the host computer for Internet Connection Sharing, click the Play button (Collapse this imageExpand this image

    ) on the following Windows Media Player viewer:





    Note To view this video, you must use Windows Media Player 7.0 or later.

    For additional information about how to obtain Windows Media Player version 7.1, click the following article number to view the article in the Microsoft Knowledge Base: 299321 (Description and availability of Windows Media Player 7.1 ) Description and availability of Windows Media Player 7.1
    On the client computer

    To connect to the Internet by using the shared connection, you must confirm the LAN adapter IP configuration, and then configure the client computer. To confirm the LAN adapter IP configuration, follow these steps:
    1. Log on to the client computer as Administrator or as Owner.
    2. Click Start, and then click Control Panel.
    3. Click Network and Internet Connections.
    4. Click Network Connections.
    5. Right-click Local Area Connection, and then click Properties.
    6. Click the General tab, click Internet Protocol (TCP/IP) in the This connection uses the following items list, and then click Properties.
    7. In the Internet Protocol (TCP/IP) Properties dialog box, click Obtain an IP address automatically (if it is not already selected), and then click OK.

      Note You can also assign a unique static IP address in the range of 192.168.0.2 to 192.168.0.254. For example, you can assign the following static IP address, subnet mask, and default gateway: IP Address 192.168.0.2
      Subnet mask 255.255.255.0
      Default gateway 192.168.0.1
    8. In the Local Area Connection Properties dialog box, click OK.
    9. Quit Control Panel.

    To view a video about how to confirm the LAN adapter IP configuration, click the Play button (Collapse this imageExpand this image

    ) on the following Windows Media Player viewer:





    Note To view this video, you must use Windows Media Player 7.0 or later.

    For additional information about how to obtain Windows Media Player version 7.1, click the following article number to view the article in the Microsoft Knowledge Base: 299321 (Description and availability of Windows Media Player 7.1 ) Description and availability of Windows Media Player 7.1
    To configure the client computer to use the shared Internet connection, follow these steps:
    1. Click Start, and then click Control Panel.
    2. Click Network and Internet Connections.
    3. Click Internet Options.
    4. In the Internet Properties dialog box, click the Connections tab.
    5. Click the Setup button.

      The New Connection Wizard starts.
    6. On the Welcome to the New Connection Wizard page, click Next.
    7. Click Connect to the Internet, and then click Next.
    8. Click Set up my connection manually, and then click Next.
    9. Click Connect using a broadband connection that is always on, and then click Next.
    10. On the Completing the New Connection Wizard page, click Finish.
    11. Quit Control Panel.

    When you now start Microsoft Internet Explorer, the client computer will try to connect to the Internet by using the host computer's shared Internet connection.

    To view a video of how to configure the client computer to use the shared Internet connection, click the Play button (Collapse this imageExpand this image

    ) on the following Windows Media Player viewer:





    Note To view this video, you must use Windows Media Player 7.0 or later.

    For additional information about how to obtain Windows Media Player version 7.1, click the following article number to view the article in the Microsoft Knowledge Base: 299321 (Description and availability of Windows Media Player 7.1 ) Description and availability of Windows Media Player 7.1
    Back to the top
    Troubleshooting

    When you turn on Internet Connection Sharing on the host computer, the host computer's LAN adapter is automatically assigned the IP address of 192.168.0.1. Therefore, one of the following situations may occur:
    • IP address conflict
      Each computer on the LAN must have a unique IP address. If more than one computer has the same IP address, an IP conflict occurs, and one of the network adapters turns off until the conflict is resolved. To resolve this conflict, configure the client computer to automatically obtain an IP address, or assign it a unique IP address.
    • Loss of network connectivity
      If your network is configured with a different IP address range than Internet Connection Sharing uses, you will lose network connectivity with the host computer. To resolve this issue, configure the client computers to automatically obtain an IP address, or assign each client computer a unique IP address in the range of 192.168.0.2 to 192.168.0.254.



    Back to the top

    REFERENCESFor additional information about Internet Connection Sharing, click the followi...


    For additional information about Internet Connection Sharing, click the following article numbers to view the articles in the Microsoft Knowledge Base: 234815 (Description of Internet Connection Sharing ) Description of Internet Connection Sharing
    308021 (Resources for Troubleshooting Internet Connection Sharing in Windows XP ) Resources for troubleshooting Internet Connection Sharing in Windows XP
    308006 (Troubleshooting Internet Connection Sharing in Windows XP ) Troubleshooting Internet Connection Sharing in Windows XP
    310563 (Description of Internet Connection Sharing in Windows XP ) Description of Internet Connection Sharing in Windows XP
    Back to the top


    APPLIES TO


    • Microsoft Windows XP Professional
    • Microsoft Windows XP Home Edition






    reza1364، nikwell و radar سپاسگزاری کرده‌اند.

  14. #14
    نام حقيقي: 1234

    مدیر بازنشسته
    تاریخ عضویت
    Jul 2009
    محل سکونت
    5678
    نوشته
    5,634
    سپاسگزاری شده
    2513
    سپاسگزاری کرده
    272
    یا یکی از حالتهای A, B , C


    The scenarios
    There are three scenarios that would require you to use more than one network interface on a machine. In the first, you’re physically connected to two separate networks; this would obviously require multiple network adapters (Figure A).

    Figure A

    A single PC connected to two networks with separate adapters


    In the second, you have two separate IP networks at the office and need to be able to access both of them (Figure B).

    Figure B

    A single PC connected to two networks with one adapter


    Figure C

    A single PC connected to two networks with one adapter but two connections


    In the third, you have a single network adapter but connect to multiple networks (Figure C). For example, you could have a remote small office network with a DHCP-assigned RFC 1918 address, but also you would need to connect to your network at the main office via a VPN connection. In any case, you’d need to set up XP to recognize any and all of the networks that you participate in.
    The language
    You can reduce possible confusion by keeping a couple of terms in mind while reading this article. An adapter is a piece of hardware that you install in your system or a piece of software that you install under XP that emulates a network adapter, such as the loopback network adapter. Connection describes an individual connection to a network. Depending on how your network is configured, this can include multiple addresses. I’ll explain more about this later.
    My configuration
    I’m using a laptop with differing types of network adapters and connections so that I can show you a wide range of options. I have two physical network adapters installed—an 11-Mbps wireless adapter and a fixed 10/100 jack on the side of the laptop. I also have a modem with a Mindspring dial-up connection that I use when I’m on the road. Other than that, I have a whole host of virtual adapters and connections that I will also explain.
    Showing them all
    In Windows XP, all network connections—dial-up, LAN, VPN, or FireWire (IEEE 1394) are shown in the Networking control panel.

    Figure D

    A listing of all of the Windows XP network connections


    You can see in Figure D that there are four categories of network interfaces under Windows XP. Dial-up connections are just that—connections to a dial-up ISP. I have only one and I use it when I can’t connect to anything faster. Next on the list are my LAN or high-speed Internet connections. I have two adapters: an Intel 10/100-Mbps adapter and an 11-Mbps 802.11b D-Link wireless Ethernet adapter.

    Next are Network Bridge adapters, which include my FireWire and VMware bridge network connections. Network Bridge connections work a little differently from other connections because they’re assigned addresses from a pool reserved by the actual bridge adapter, which is a piece of software. Often, bridge connections are used to communicate between the host (the Windows XP machine) and the remote end—a device such as a digital video camera or a certain kind of VMware session.

    Finally, my VPN connections are listed. I almost always have one connection open to my work network when I’m working at home, and I keep Outlook running over it. (I’ve blacked out the name and IP address of the connection for security reasons.) The last connection is TechRepublic Tunneling Test, which I was using for testing.

    Two physical connections
    I’ll first go over installing two separate network adapters in a Windows XP machine because they’re the easiest to understand and troubleshoot. This connection method corresponds to Figure A. In this scenario, there is a physical adapter for each individual connection on the machine. On the laptop that I’m using to write this article, these adapters could be considered the two physical jacks—the wireless adapter and the one on the side of the machine.

    I’ve configured the Intel adapter, which is wired directly to my home network, to use DHCP for its address and have provided a static address for the wireless adapter to use. However, I haven’t provided the wireless adapter with a default gateway. Providing multiple default gateways to a Windows 2000 or XP machine can seriously confuse network issues, because the machine won’t know which one is the real default gateway. To lessen this problem (see sidebar for more information), install the Microsoft RIP Listener Service, which will allow your XP workstations to receive dynamic routing table updates from your routers and build a routing table automatically.

    To see IP addressing information, I issue the command ipconfig /all at the command line. Listing A shows the results for the two physical network adapters in my machine.

    This listing shows me the IP address, network mask, gateway, and almost all other information related to networking that I would need. Notice that the names of the connections correspond to the names in Figure D. I’m also told whether this is a DHCP-assigned address.

    When I attempt to ping an address on either network, XP will use the appropriate interface. When attempting to traverse beyond the routers that connect the workstation to these networks, things become a little trickier. After the router, your Windows workstation has no way to determine what lies beyond. It only knows about what is directly connected to it, unless you provide it with static routes or install the RIP Listener Service. For this reason, one of your connections must include a default gateway. This is the device that your Windows XP workstation will consider its “next hop” on the network when you attempt to access services that are beyond your directly-connected networks.

    To modify an address on an adapter, bring up a list of network connections by selecting Start | Control Panel | Network Connections. If you’re using Windows XP’s default Category View, browse to Start | Control Panel | Network And Internet Connections | Network Connections.
    Note
    For the remainder of this article, I will not be using Category View. I find it less efficient than the classic view of the Control Panel.
    Next, double-click the connection you wish to work with and click the Properties button to bring up the information related to that adapter. This screen will look similar to the one shown in Figure E.

    Figure E



    To bring up the TCP/IP properties, click TCP/IP and then click the Properties button. You will see a screen similar to the one shown in Figure F.

    Figure F



    To change the TCP/IP address, enter the information you need and click Apply.

    Single NIC, multiple networks
    Next on the list of complexity is connecting a workstation to two logically separate but physically connected networks, as shown in Figure B. This setup might occur, for example, if: (1) you have separate departments using separate address spaces, (2) certain users need to be able to connect to services offered by both departments, and (3) everything is connected via switches with routers only at the edge of the network. This setup may also be done for security reasons, particularly when sensitive information is put on the network address space that isn’t connected to the router that goes out to the Internet.

    In any case, you’d need to be able to get workstations attached to both networks, which is actually a very easy task. First, decide which connection will have the default gateway. For the same reasons I mentioned earlier, using more than one gateway can be problematic. I always use the router with the connection out to the Internet as the default gateway because it lets me avoid adding routes to every host on the Internet—that wouldn’t be much fun.

    Second, the address for the network connected to the Internet router must be assigned. When you assign multiple addresses to a NIC, they all must use static addressing. For my example, I’m going to use my wireless adapter and work with the IP addressing. I’ll then statically assign the second address.

    To accomplish this, I’ll use a single network adapter with multiple network addresses. (You may have heard the terms “multihoming” or “binding multiple addresses” associated with this action.) To perform the action, bring up the TCP/IP properties for the network adapter that you wish to work with. On my system, the screen shown in Figure G shows my current configuration, with a single address assigned to the network adapter.

    Figure G

    This is the current configuration of my wireless adapter.


    To add an address, click the Advanced button, which will bring up a second properties screen, as shown in Figure H.

    Figure H

    These are Advanced TCP/IP properties.


    You need to work with three areas. The first is the IP Addresses section, which is where you’ll add the second IP address. You can see in Figure H that there is already one address assigned. The second section lists the default gateways currently defined on the machine. You can see that a single gateway is already defined. Finally, the network metrics section defines the order in which network information will be used. This information can be used to alleviate problems with multiple default gateways, but it isn’t always 100 percent reliable.

    Adding a second address
    To add the second address, click the Add button in the IP Addresses section of the window. You’ll be presented with a window that asks for the IP address and subnet mask for the new address, as shown in Figure I.

    Figure I

    Adding a second IP address


    That’s all you need to begin accessing resources on the second network. Listing B shows the network parameters from an ipconfig /all command for this adapter. Notice that there are two entries for IP address now listed. This shows that Windows XP can communicate with both the 10.10.10 and the 10.10.11 networks over this single physical network connection.

    Other types of connections
    Windows XP can also work with other types of connections, such as VPN adapters, as evidenced by Figure D. In essence, these types of connections make use of one of the actual physical connections but show up as a separate, virtual connection, as shown in Figure C. In the example shown in Figure D, a VPN connection was established over the WAN Miniport (PPTP) to a specific IP address. The WAN Miniport is a virtual port established in XP for just this purpose. The ipconfig /all listing for this connection is shown in Listing C. The IP addressing information in Listing C is DHCP assigned from the VPN server in my office, as are the remaining parameters, such as DNS servers and WINS information. Other than the fact that it is a software adapter and uses a real adapter to do its work, the VPN adapter works like the other adapters I have shown you.

    System tray tip
    Finally, I find it useful to enable icons in the system tray to get at-a-glance information about my network connections without having to open the Networking control panel (see Figure J).

    Figure J

    Network information in the system tray


    This information is more useful if you rename the network connections with something more descriptive than Local Network Connection. You can enable a system tray icon for any adapter—hardware- or software-based—by selecting the Show Icon In Notification Area When Connected check box on the properties page for the adapter.



    reza1364، nikwell و radar سپاسگزاری کرده‌اند.

  15. #15
    نام حقيقي: سهیل

    عضو عادی شناسه تصویری iSoheil
    تاریخ عضویت
    Sep 2009
    محل سکونت
    CA/ON-To
    نوشته
    114
    سپاسگزاری شده
    37
    سپاسگزاری کرده
    132
    من Gateway نمیدم!
    چه Getawayی رو باید بدم؟
    راستی فکر کنم باید DNSها رو هم ست کنم! درسته؟..



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