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RRAS, VPN and default gateway

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  • RRAS, VPN and default gateway

    This is my setup:

    Network consists of 2 subnets (actually 3, but we're concerned with 2). Domain controllers and servers are on the

    172.16.10.0 subnet. I have installed a VPN server (server 2003 sp2) on the 2nd subnet 172.16.20.0. I have 2 NIC

    cards in the server, on the "private" LAN side I configured an IP of 172.16.20.222, SM 255.255.255.0, NO GW address configured. On the Internet NIC I have configured all IP info from the ISP.



    In doing a "route print" from the cmd line I see:

    IPv4 Route Table
    ================================================== =========================
    Interface List
    0x1 ........................... MS TCP Loopback interface
    0x10003 ...00 90 27 9c 1f a1 ...... Intel(R) PRO/100+ PCI Adapter
    0x10004 ...00 18 8b 09 91 d1 ...... Broadcom NetXtreme 57xx Gigabit Controller
    ================================================== =========================
    ================================================== =========================
    Active Routes:
    Network Destination Netmask Gateway Interface Metric
    0.0.0.0 0.0.0.0 68.236.196.1 68.236.196.12 20
    68.236.196.0 255.255.255.0 68.236.196.12 68.236.196.12 20
    68.236.196.12 255.255.255.255 127.0.0.1 127.0.0.1 20
    68.255.255.255 255.255.255.255 68.236.196.12 68.236.196.12 20
    127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1
    172.16.20.0 255.255.255.0 172.16.20.222 172.16.20.222 20
    172.16.20.0 255.255.255.0 172.16.20.1 172.16.20.222 1
    172.16.20.222 255.255.255.255 127.0.0.1 127.0.0.1 20
    172.16.255.255 255.255.255.255 172.16.20.222 172.16.20.222 20
    224.0.0.0 240.0.0.0 68.236.196.12 68.236.196.12 20
    224.0.0.0 240.0.0.0 172.16.20.222 172.16.20.222 20
    255.255.255.255 255.255.255.255 68.236.196.12 68.236.196.12 1
    255.255.255.255 255.255.255.255 172.16.20.222 172.16.20.222 1
    Default Gateway: 68.236.196.1
    ================================================== =========================
    Persistent Routes:
    None


    A ping to a domain controller on the 172.16.10.x subnet yields:

    Pinging 172.16.10.9 with 32 bytes of data:



    Reply from 68.236.196.1: Destination net unreachable.

    Reply from 68.236.196.1: Destination net unreachable.

    Reply from 68.236.196.1: Destination net unreachable.

    Reply from 68.236.196.1: Destination net unreachable.



    Ping statistics for 172.16.10.9:

    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

    Approximate round trip times in milli-seconds:

    Minimum = 0ms, Maximum = 0ms, Average = 0ms

    I know it has to do with the default gateway, but what am I missing? do I need to add another route to my x.x.10.x. It is worth noting I cannot log into the server with the gateway parameter empty on the private LAN side.

    subnet. MAybe route add 172.16.10.0 mask 255.255.255.0 172.16.20.1 ? I really am not sure.

  • #2
    Re: RRAS, VPN and default gateway

    You're server can't find the 172.16.10.x subnet. So you should add a route.
    Marcel
    Technical Consultant
    Netherlands
    http://www.phetios.com
    http://blog.nessus.nl

    MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
    "No matter how secure, there is always the human factor."

    "Enjoy life today, tomorrow may never come."
    "If you're going through hell, keep going. ~Winston Churchill"

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