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Thread: VirtualBox, 3 Guest Lab setup

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  1. #1
    Join Date
    Nov 2010

    VirtualBox, 3 Guest Lab setup

    Im trying to setup a virtual lab with VirtualBox, using 2 Ubuntu guests and 1 XP.
    Each of the guests are attached to the VirtualBox internal network.

    I have one of the Ubuntu Guests configured with 2 network adapters,
    one adapter is connected to the internal network and the other is connected to the NAT.
    I want all network traffic to pass through this guest.

    I have each guest configured with a static IP, the gateway IP is set to the NATed guests internal network adapter IP.
    I can get internet on each guest, and can see the traffic (using wireshark) going through my NATed Ubuntu system.

    The problem I am having is I cant seem to ping or connect to any of the services running on the internal network. I just get the message 'connect: Network is unreachable',
    Im guessing this has something to do with my routing table, which is empty, but not sure how to fix it.

    Ive tried adding a route using: "route add gw"
    but i just get an error message: "netmask 000000ff doesn't make sense with host route"

    My static IPs are set as follows:
    auto eth0
    iface eth0 inet static

    Had wrong IPs set.
    Last edited by Kr0nZ; October 29th, 2012 at 05:30 AM. Reason: Solved


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