Tag Archives: networking

Sun xVM Host Interface Networking on Ubuntu

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I just struggled a bit with getting xVM’s host interface networking up and running on Ubuntu. It works now and maybe somebody else finds the following short how to useful.

Host Setup

Run “sudo aptitude install bridge-utils”.

Add the following lines to /etc/network/interfaces:

auto tap0
iface tap0 inet manual
  tunctl_user user # replace "user" with the user name running xVM
  uml_proxy_arp sativex-ub

auto br0
iface br0 inet static
  address 10.10.1.1
  netmask 255.255.255.0
  bridge_ports tap0
  bridge_maxwait 0

Run “service networking restart”. (or “/etc/init.d/networking restart” if your Ubuntu doesn’t have the service command yet)

Run “sudo VBoxAddIF vbox0 user br0”. (like above, change “user” to your xVM user)

In your VM settings choose “Attached to: Host Interface”, as “Interface Name” in the field below enter “vbox0”. If you want to have Internet access in your VM you should also configure a second network interface, pick “Attached to: NAT” there.

VM Setup

Start up your VM, and add the following lines to /etc/network/interfaces:

auto eth0
iface eth0 inet static
  address 10.10.1.2
  netmask 255.255.255.0

auto eth1
iface eth1 inet dhcp

Run “service networking restart”.

That’s it, your VM should now be accessible (from your host) via 10.10.1.2. Of course you can adjust the IP addresses/networks as you like.