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How to add Multiple IP Address in Windows 2000,XP,2003

Posted on Jan 04, 2008 under Networking, Windows |

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Sometimes, there is a need to have more than one IP Addresses assigned to a PC or a Server. If you have multiple services running on a server like a webserver and a mail server and want to assign each of these services seperate IP Addresses the Multiple IP addresses will help. While this need not necessarily require to have more than one Network Interface Card (NIC) on the server.

You can add multiple IP Addresses to a single interface card. However, these IP Addresses should be in the same logical network although in different subnets.

The following procedure will just guide you how to add Multiple IP Addresses:

1. Open Control Panel and Network Connections.

2. Right-click the LAN connection and select properties.

3. Select Internet Protocol (TCP/IP) and click properties.

Windows Internet Protocol (TCP/IP)

4. Select "Use the following IP Address" and enter the primary IP Address, Subnet mask and Gateway and the primary and secondary DNS Servers.

Enter Primary IP Address, Subnet gateway and DNS Servers

5. Click Advanced then Add under IP Addresses.

6. Add the IP Address and Subnet mask. Repeat the procedure if there are additional IP Addresses to be added.

Add Multiple IP Address

7. Click Add under "Default Gateways" and add the gateway addresses.
NOTE: The system will always use the 1st available Gateway and will use the additional gateways unless the primary gateway is not reacheable.

Add Multiple Gateways

8.Click OK then OK and then OK to save the changes.

9. To confirm the multiple IP Addresses are set, from the command prompt (Start-Run and type CMD) run the ipconfig command. You can see multiple IP addresses on one Network Interface Card.

ipconfig output with multiple IP Address

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14 Comments so far »

  1. by Antonio, on January 14 2008 @ 8:36 pm

     

    Excelent. I was looking for this.

  2. by swap, on January 17 2008 @ 1:10 am

     

    Dear sir,
    i configure multiple IP address in my windows XP system. But,i can’t access another system. (For Ex. my machine ip is 192.168.0.20 & i configure another ip in the same machine 192.168.1.20 MY some machine ip started from 192.168.0.1 to 192.168.0.30 & some machine ip started from 192.168.1.1 to 192.168.1.30 but i can’t access 192.168.0.1 machine from 192.168.1.1 machine. This all machine divided in two switch. Can i access both switch connected machine from one machine It is possible? please help me. Thanks!

  3. by Barton Bruce, on February 22 2008 @ 5:22 am

     

    Thank you! I’ve been wondering how to do multiple IP addresses in windows. With gig-e NICs at home one is not likely to need the bandwidth or seperate physical ports.

    Now, how do I get specific programs to use only the IP address that is intended for them?

    Also, most any ethernet NIC one buys today proclaims it supports 802.1Q vlans, and my home cisco 2621 certainly does, but how do I get to configure them and use them in windows? I use them all the time on big routers and switches at work, it is just windows that is in or perhaps just is the fog cloud.

    VLANS would also be useful for virtual machines especially if that is the only way one can get specific programs to use specific addresses.

  4. by admin, on February 22 2008 @ 4:18 pm

     

    802.1Q support is built into the NIC driver and most of them come with advanced configuration software. I’m Intel Pro cards & Broadcom cards do come wth the software with which you can add vlans IDs to it.

  5. by Mike, on February 28 2008 @ 12:29 pm

     

    Do you know what the upper limit is officially for the number of IPs you can assign to a single adaptor? I think I have experienced that up to 4 work, but I was wondering if anyone has seen any official documentation on this.

  6. by Shoaib, on March 2 2008 @ 4:40 am

     

    I want to fix a logical IP address to a LAN card or MAC Address as if the user can never change IP settings. Please give me a solutions.

  7. by admin, on March 4 2008 @ 3:20 pm

     

    Not sure about your setup. But, you can setup a reservation on ur DHCP to ensure that the PC/laptop gets the same IP address and restrict the switchport to a particular vlan (based on the DHCP scope)

  8. by Kat, on March 12 2008 @ 4:16 pm

     

    I did one to 7, but when I check in ipconfig, it lists all zeros. Would you happen to know why? And, what the fix is? Thanks.

  9. by Cataldo, on March 30 2008 @ 7:11 am

     

    Great just what I needed thank you so much !

  10. by Msreport92, on July 15 2008 @ 3:19 pm

     

    Hi

    If you define two IP on one network card, you can have trouble to register dynamically the second IP on the DNS database.
    To do this, you need to create the MaxNumberOfAdressToRegister in the registry.
    For more information, see http://msreport.free.fr/?p=96 (in french).
    By.

  11. by name, on July 27 2008 @ 12:15 pm

     

    Really nice=)but look this:,

  12. by Rafiu Badmus, on August 16 2008 @ 9:23 pm

     

    A private IP address is assigned to a serial interface of a router connected to a remote branch office via Frame relay.
    How is this working?is a private IP address routable?

  13. by Rafiu Badmus, on August 16 2008 @ 9:27 pm

     

    My LAPTOP IS HAVING a /32 prefix notation.how is this explicable?

  14. by JJ, on August 20 2008 @ 5:36 pm

     

    hey what am i suppose to enter into the DNS servers?

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