shorewall and tuntap

Discussion in 'Linux Networking' started by Javen Thyme, Apr 2, 2004.

  1. Javen Thyme

    Javen Thyme Guest

    I have installed bochs 2.1.1 with Minix as a guest OS. Bochs uses the
    tuntap device in order to access the local area network. I follow the
    instructions perfectly and all is well until I got to the part of
    trying to get the guest and the host to be able to talk to each other.
    The IP address of my host (the actual physical machine and the OS that
    runs under that) is, and the IP of the guest is The device is called tun1, and when I add a 'route add tun1' to the tuntap script for bochs, that fixes the ping
    problem. However I am now stuck, as I can not figure out how to setup
    up routing in order to enable the guest to access the LAN or the
    internet using the host as a router. Linix kernel version is 2.4.18
    btw if that helps, and I use dialup to go online. I've installed
    shorewall 1.3.0 as a firewall, and it works great. I also set it up so
    that masquerades the internet connection and the LAN (via
    /etc/shorewall/masq) and I have had no problems with that, but I'm not
    sure how to set up shorewall to do this for the guest, and I've
    already tried using the iptables command that the bochs documentation
    recommends to set this up but it fails (the docs said that the
    iptables command assumes an ACCEPT policy but the default one via
    shorewall is to REJECT). I've searched online but found nothing.
    Thanks in advance for any pointers you can provide.
    Javen Thyme, Apr 2, 2004
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