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how to forward the dns into isp dns

    Question

  • hi,

    I was getting internet thru our isp router.configuration as follows

    ip - 192.168.1.1

    dns was 212.77.192.59 ( isp provided)

     I have widows 2008 server installed pc with dns configured it. Configuration as follows

     Server-pc  NIC   : ip - 192.168.1.2

            sub - 255.255.255.0

            gateway - 192.168.1.1

            prefer dns - 192.168.1.2

     

    In my isp router, I changed the DNS server to 192.168.1.2

    Now, internet is not working in client pc.

     

    Please help me , I want work internet in client pc with 192.168.1.2 dns name…

     

    Give me the forwarding structure clearly pls….


    • Edited by Irsath2007 Wednesday, June 27, 2012 9:25 AM
    Wednesday, June 27, 2012 9:23 AM

Answers

  • thank a lot...mr. madx ax....

    actually the problem ..could not ping from client pc to server-pc. Now i can able to ping and the clients are able to access the internet thru 192.168.1.2

    anyhow...it's working fine..

    • Marked as answer by Tiger Li Friday, June 29, 2012 2:50 AM
    Wednesday, June 27, 2012 1:04 PM
  • Hi Irsath2007,

    Thanks for posting here.

    > In my isp router, I changed the DNS server to 192.168.1.2

    Your ISP router should has two interfaces (internal and external facing), so which interface was been changed to us our internal DNS server address ?

    I assume the topologic below:

    Internet----ISP router----server-PC (192.168.1.2) Windows Server 2008

                                              |----Client-PC (?)

    So Please configure the ISP router with the network settings below:

    Use the following data to configure the TCP/IP address of the network adapter that connects to the internal network:

    TCP/IP address: 192.168.1.1

    Subnet mask: 255.255.255.0

    No default gateway

    Domain Name System (DNS) server: provided by your Internet service provider (ISP)

    Windows Internet Name Service (WINS) server: provided by your ISP

    Use the following data to configure the TCP/IP address of the network adapter that connects to the external network:

    TCP/IP address: provided by your ISP

    subnet mask: provided by your ISP

    default gateway: provided by your ISP

    DNS server: provided by your ISP

    WINS server: provided by your ISP

    After that please input the ISP DNS server address into the forwarder list on this Windows Server 2008 host and see if can access internet form this host . Meanwhile, please check the connectivity to server-PC form client-PC by ping and make sure client-PC is using the Server-PC as the preferred DNS server .

    By default , windows server 2008 will not response ICMP so we need to adjust the firewall setting on server:

    Nobody Can Ping My Computer

    http://technet.microsoft.com/en-us/library/cc749323(WS.10).aspx

    Thanks.


    Tiger Li


    Tiger Li

    TechNet Community Support

    • Marked as answer by Tiger Li Friday, June 29, 2012 2:50 AM
    Thursday, June 28, 2012 3:02 AM

All replies

  • Hi,

    on your server (192.168.1.2) in the dns server configuration you  have to set the isp dns as forwarder. On your clients you have to configure 192.168.1.2 as preferred dns.

    madmax

    Wednesday, June 27, 2012 10:03 AM
  • as you mentioned,

    I did the following setting

    under the dns > forwarder > i added the isp dns ( 212.77.192.59).

    then in the isp router, I changed the dns 192.168.1.2

    Now the clients are getting 192.168.1.2 dns address, but they are not able to open internet. still i can browse in the server pc. 

    is there more settings ???

    Wednesday, June 27, 2012 10:43 AM
  • can you ping an ip address on the internet from the clients? is your dns server running on isp router or on your server(192.168.1.2)?
    Wednesday, June 27, 2012 12:03 PM
  • i already installed dns server in my server-pc (192.168.1.2) . i could not ping www.google.com from client pc...

    But, still I didnot bring client pc under domain control.because of that  internet not working ???

    • Edited by Irsath2007 Wednesday, June 27, 2012 12:26 PM
    Wednesday, June 27, 2012 12:25 PM
  • Please try to ping an ip address on the internet like 74.125.232.212 and not a dns name. You don't need a working internet connection for joining a client to a domain. I think you have a dns configuration problem in general. What does nslookup www.google.com on the client say? What error message do you get when you try to join the client to your domain?

    Wednesday, June 27, 2012 12:41 PM
  • thank a lot...mr. madx ax....

    actually the problem ..could not ping from client pc to server-pc. Now i can able to ping and the clients are able to access the internet thru 192.168.1.2

    anyhow...it's working fine..

    • Marked as answer by Tiger Li Friday, June 29, 2012 2:50 AM
    Wednesday, June 27, 2012 1:04 PM
  • Hi Irsath2007,

    Thanks for posting here.

    > In my isp router, I changed the DNS server to 192.168.1.2

    Your ISP router should has two interfaces (internal and external facing), so which interface was been changed to us our internal DNS server address ?

    I assume the topologic below:

    Internet----ISP router----server-PC (192.168.1.2) Windows Server 2008

                                              |----Client-PC (?)

    So Please configure the ISP router with the network settings below:

    Use the following data to configure the TCP/IP address of the network adapter that connects to the internal network:

    TCP/IP address: 192.168.1.1

    Subnet mask: 255.255.255.0

    No default gateway

    Domain Name System (DNS) server: provided by your Internet service provider (ISP)

    Windows Internet Name Service (WINS) server: provided by your ISP

    Use the following data to configure the TCP/IP address of the network adapter that connects to the external network:

    TCP/IP address: provided by your ISP

    subnet mask: provided by your ISP

    default gateway: provided by your ISP

    DNS server: provided by your ISP

    WINS server: provided by your ISP

    After that please input the ISP DNS server address into the forwarder list on this Windows Server 2008 host and see if can access internet form this host . Meanwhile, please check the connectivity to server-PC form client-PC by ping and make sure client-PC is using the Server-PC as the preferred DNS server .

    By default , windows server 2008 will not response ICMP so we need to adjust the firewall setting on server:

    Nobody Can Ping My Computer

    http://technet.microsoft.com/en-us/library/cc749323(WS.10).aspx

    Thanks.


    Tiger Li


    Tiger Li

    TechNet Community Support

    • Marked as answer by Tiger Li Friday, June 29, 2012 2:50 AM
    Thursday, June 28, 2012 3:02 AM