Understanding Networking in VirtualBox
Networking in VirtualBox is extremely powerful, but can also be a bit daunting, so here's a quick overview of the different ways you can setup networking in VirtualBox, with a few pointers as to which configurations should be used and when.
VirtualBox allows you to configure up to 8 virtual NICs (Network Interface Controllers) for each guest vm (although only 4 are exposed in the GUI) and for each of these NICs you can configure:
- Which virtualized NIC-type is exposed to the Guest. Examples include:
- Intel PRO/1000 MT Server (82545EM),
- AMD PCNet FAST III (Am79C973, the default) or
- a Paravirtualized network adapter (virtio-net).
- How the NIC operates with respect to your Host's physical networking. The main modes are:
You can read the rest over at the Fat Bloke's blog.
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