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Network Help Needed - DNS

Discussion in 'Networking' started by mattb76, Oct 9, 2007.

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  1. mattb76

    mattb76 Thread Starter

    Joined:
    Oct 9, 2007
    Messages:
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    I'm hoping someone can help me with an issue I am having with a small LAN configuration. My LAN is set up as follows;

    PC ------>
    PC ------> Wireless Router ------> ADSL Modem ------> Internet
    PC ------>

    The modem is set up as the DHCP server, with all clients set to obtain IP address automatically. Modem is also set up as the DNS server. All PCs and the router and modem have the same IP subnet of 192.168.1.x and mask 255.255.255.0. The router is simply being used as a hub/switch (rather than a router).

    This setup all works fine for connecting to the internet, however when trying to connect PC to PC, there is a delay in resolving the network name (i.e. if I type //pc-name, it thinks for a few seconds then shows all shares on that PC). I can access all shares ok, but the delay is obviously caused by a DNS lookup issue. One of the PCs runs the MSDE version of SQL Server, and this DNS issue is causing a very slow database connection to other PCs.

    Appreciate any advice anyone can offer.
     
  2. IT_Guru

    IT_Guru

    Joined:
    Oct 9, 2007
    Messages:
    7
    Your name resolution for the local machines is likely NetBIOS Name resolution, not DNS. It may be attempting DNS resolution first, then falling back to NBNS after DNS fails. You could put your machine names in your local Hosts file located in C:\WINDOWS\system32\drivers\etc. This would be searched first before resolving the name through other means.
     
  3. mattb76

    mattb76 Thread Starter

    Joined:
    Oct 9, 2007
    Messages:
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    Thanks IT-Guru. Worked a treat! Had to change all clients to a static IP, but this should be fine until we get an AD server set up, and then we'll go back to DHCP.

    Cheers!
    Matt
     
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