[vbox-dev] Ownership of host-only network interfaces and DHCP servers

[Karoline Haus]

I'd like to understand how the ownership of host-only network interfaces is handled. It seems as if you can configure a network interface as any user and if you change the configuration as one user, then it does not necessarily change for the other user (if you list the configuration via VBoxManage list hostonlyifs). But because of these different concurrent configuration options, it does not seem to be consistent across reboots, and I don't know how to figure which configuration is currently active. I have the same question for DHCP servers managed by VBOX. It seems different users can run a differently configured DHCP server on the same host-only network interface? How would this work, if the actual IP on that interface (as seen under ifconfig) must be unique. So say it could potentially not be consistent with the DHCP server IP address configuration, because you have multiple servers on a single interface. Can anyone shed light on this?

Thanks, Karoline
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[Jean-Jacques Sarton]

Hallo Karoline,

I use IPv6 within vbox and don't have any problems.
The link locale adresses are not for communication between
usual networks and you must make shure that an advertisement
daemon is running on the host.

My host is working with Linux and the VM I have tested are
other Linux systems as well as windows XP and windows 7
On the host I use tap device or an unused interface

regards,

Jean-Jacques

Post by Karoline Haus
I'd like to understand how the ownership of host-only network
interfaces is handled. It seems as if you can configure a network
interface as any user and if you change the configuration as one
user, then it does not necessarily change for the other user (if
you list the configuration via VBoxManage list hostonlyifs). But
because of these different concurrent configuration options, it
does not seem to be consistent across reboots, and I don't know how
to figure which configuration is currently active. I have the same
question for DHCP servers managed by VBOX. It seems different users
can run a differently configured DHCP server on the same host-only
network interface? How would this work, if the actual IP on that
interface (as seen under ifconfig) must be unique. So say it could
potentially not be consistent with the DHCP server IP address
configuration, because you have multiple servers on a single
interface. Can anyone shed light on this?
Thanks, Karoline
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