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VM host VLAN tagging and Cisco switches

Posted: 4. Mar 2016, 00:08
by Winskitech711
I have a Win 7 64 bit PC with a Win XP 32 bit VirtualBox VM. I'd like the Win 7 host to sit on one VLAN and the VM sit on another VLAN. The only thing I've found about VLAN tagging a VM is this post: viewtopic.php?f=2&t=65345&p=314865&hili ... ag#p314865 in which the author uses a virtualized Ethernet adaptor supported by VirtualBox to force tagging on the interface. I've done that for my XP machine and I still cannot get it connected to the network.

I have the VM network adaptor in Bridged mode so it appears as it's own interface. Here's what I have for the port the PC is plugged into on my switch:

switchport trunk encapsulation dot1q
switchport trunk native vlan <host VLAN>
switchport trunk allowed vlan <VM VLAN>,<host VLAN>
switchport mode trunk
switchport nonegotiate


Any help is appreciated.