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Mapped network drives, windows 2003 server and Netopia routers

Discussion in 'Networking' started by shaggyshags, Dec 17, 2004.

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  1. shaggyshags

    shaggyshags Thread Starter

    Dec 17, 2004
    I have yet to get an answer to the issue that I am dealing with so hopefully someone here can send it to me.

    I administer a large downtown skyscraper that was networked in a really stupid way. There are 71 customers with Internet access via a Netopia 9100 router to a Cisco 7209. Some of these customers connect to a Windows 2003 server for file server services. To get to this file server their connection will go through this Netopia to the File server's public interface which works just fine.

    Quick drawing:

    Customers LAN (DHCP from Netopia) ---> Netopia ---> File server or Cisco 7209 ---> Internet

    Customers map the drive via \\fileservername\share

    Now the issue is when two or more workstations behind the same Netopia map a drive to the file server. Once two or more are mapped the first connection that was initiated is killed. In other words you cannot have concurrent connections to the file server from behind the same Netopia router.

    This server used to be a 2000 server but I am not blaming the server in this situation. For testing I connected one customer directly to the file servers second NIC:

    Customers switch ----> Second NIC on file server

    Once I did this the customer would map the drive like

    \\private IP\share

    This customer does not have the issue and can connect multiple workstations concurrently to the file server with no drops at all.

    So to conclude, customers mapping from behind the same Netopia 9100 cannot keep concurrent connections. Customer that is directly connected to server and has bypassed the Netopia, no issue.

    Just for the sake of trying I removed the built in netbios filter on the netopias which made no diffence.

    I hope I discribed this issue enough, but if you have questions just ask.
  2. AKA Arizona

    AKA Arizona

    Jul 22, 2003
    I was wondering if you know how to direct an ip 80 and 21 port to open on a Netopia
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