virtualbox network problem

Derek Broughton derek at
Wed Jun 3 14:36:09 UTC 2009

Luca Ferrari wrote:

> Hi all,
> I'm using ubuntu 8.04 and virtual box to host a system (windows xp). When
> the ubuntu system is connected via ethernet, and the virtual machine works
> with network attached to the host interface, the network works. When the
> ubuntu machine works with the wifi interface (wlan0), the hosted system
> does not work. It does not get the network address and, of course, does
> not work on the network.
> The following are commands I issue (as root) to make the ethernet working,
> and it works:
> tunctl -t tap1 -u claudia
> brctl addbr br1
> ifconfig eth0 promisc

ugh!  Try just installing the latest virtualbox (from Sun, not the 
virtualbox-ose), which does host bridging seamlessly, without needing to 
play with tunctl and brctl.

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