Two subnets, one domain controller

Discussion in 'Server Networking' started by Nikolay Unguzov, Mar 28, 2006.

  1. Hi,

    I want to make a VPN-to-VPN tunnel between two offices. The tunnel itself
    will be created with IPCop (http://ipcop.org/). As a result I will have this
    configuration:

    Office 1:
    NET: 192.168.100.0 / 255.255.255.0
    Domain Controller, DNS, DHCP, WINS (192.168.100.5)
    2 workstations (Windows XP, connected to domain controler)

    Office 2:
    NET: 192.168.200.0 / 255.255.255.0
    4 workstations (Windows XP, connected to domain controler in Office 1)

    The 4 workstations in "Office 2" are placed in "Office 1" now. My question
    is
    if I move them to "Office 2" do I need to change they configuration? They
    now are using DHCP
    to get IP address, DNS and WINS. I can use static IP addresses if I need
    (because they must use
    192.168.200.XXX), but will they logon to the domain in "Office 1" without
    problems?


    Please note that workstations from "Office 2" can ping "Office 1" and
    "Office 1" can ping "Office 2".
     
    Nikolay Unguzov, Mar 28, 2006
    #1
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  2. As long as you are giving them the correct TCP/IP config with the DHCP they
    should be fine. You need to make sure they get the DNS and WINS. However
    you may have a performace problem due to the slow VPN. Also if the VPN goes
    down the Client can't authenticate,...do you really want that? The normal
    proceedure is to put a DC at each location and use Active Directory Sites to
    handle to AD Replication over the slow VPN. This way each LAN can continue
    to function to some extent even if the VPN goes down, and it doesn't hurt
    anything if Replication is cut off for a short period of time.
     
    Phillip Windell, Mar 28, 2006
    #2
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  3. Hi Phillip,



    Thanks for the response.



    You are right that the best way is to use two DCs, but this a license
    problem (and money).

    All documents are placed in "Office 1". I know about new futures in Windows
    Server 2003 R2 and new replication - may be this is the answer:
     
    Nikolay Unguzov, Mar 29, 2006
    #3
  4. You're better off than me there. I had the new features demo'ed once, but
    the next day I couldn't remember most of it.
     
    Phillip Windell, Mar 29, 2006
    #4
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