Oracle VirtualBox w/VLAN

NOYB

Host:

Dell Inspiron 5100 Notebook
Pentium 4, 2.66 GHz, 2 GB RAM
Broadcom 440x 10/100 Integrated Controller (see Broadcom VLAN tagging note below)
Windows 7 Ultimate SP1, 32-bit
Oracle VirtualBox 4.2

Guest:

Network Bridged Adapter
Intel PRO/1000 MT Desktop (82500EM)
pfSense 2.1
WAN: em0_vlan98
LAN: em0

Broadcom VLAN Tagging:
Registry entry to instruct driver not to strip out VLAN tags on received packets.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\control\Class{4D36E972-E325-11CE-BFC1-08002bE10318}[instance # containing the corresponding NIC DriverDesc string]
May be ControlSet001 for some.
Add new string value "PreserveVlanInfoInRxPacket" and give it value of "1"

Sources:
https://sites.google.com/site/rednectarchris/vlan_tagcapture_440x_controller
www.cisco.com/en/US/prod/voicesw/custcosw/ps5693/ps14/prod_system_requirements0900aecd800e3149.pdf