SBS 2003 and Multiple NICs for Multiple LAN segments

Discussion in 'Windows Small Business Server' started by Johnough, Nov 8, 2005.

  1. Johnough

    Johnough Guest

    I have SBS 2003 Standard.

    I have a need to have several network adapters for LAN access.
    I have a WAN adapter, and this works OK.
    In addition I am trying 2 network adapters:
    I have LAN Adapter 1 set for, and LAN 2 Adapter for
    LAN 1 works good. LAN 2 can't resolve DNS names apart from the SBS server
    itself. LAN 2 can't ping to internet.
    How do I set up the 2nd LAN card? I can't find anything in MS documentation
    to help me with this.
    Please don't try and sell me a router solution - I have 2 gigabit NICs, 2
    WINXP clients, and don't want to spend more money on routers.
    Johnough, Nov 8, 2005
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  2. Frank McCallister SBS MVP, Nov 8, 2005
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  3. Does the server have ISA or is it using RRAS? In either case you will need
    to make sure that know about both subnets as being internal/private networks
    so that they can be routed/nat'ed properly. For example,

    ISA 2000 are both the internal subnets in the Local Address Table (LAT)
    ISA 2004 are both subnets in the Properties of the Internal network in the
    Addresses list.
    RRAS under NAT/Basic Firewall are both the internal interfaces added as
    Private interface connected to the private network.

    Clients would need to point to their respective 192.168.x.1 IP address for
    their default gateway
    Would need to check what IP address the DNS server on SBS is listening on..
    For example, it may only be listening on the IP address.. thus
    all clients would need to point to that IP address for DNS.


    Hope that helps,
    David Copeland
    Microsoft Small Business Server Support

    This posting is provided "AS IS" with no warranties, and confers no rights.

    SBS Newsgroups:

    SBS v4.x: microsoft.public.backoffice.smallbiz
    SBS 2000: microsoft.public.backoffice.smallbiz2000
    SBS 2003:
    David Copeland [MSFT], Nov 8, 2005
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