includes a network filter driver that utilizes Oracle Solaris 11's Crossbow functionality. By default, this new driver is installed for Oracle Solaris 11 hosts that have support for it.

To force installation of the older STREAMS based network filter driver, execute as root the following command before installing the package:

$ touch /etc/vboxinst_vboxflt

To force installation of the Crossbow based network filter driver, execute as root the following command before installing the package:

$ touch /etc/vboxinst_vboxbow

To check which driver is currently being used by , execute:

$ modinfo | grep vbox

If the output contains vboxbow, it indicates is using the Crossbow network filter driver, while the name vboxflt indicates usage of the older STREAMS network filter.