Virtual Switching in VMware ESXi 5.5

So we are about to install an application that require pieces of the application on different vlans for security purposes.  So the web server sits on one vlan, application server in another vlan, and the Database server in another vlan.  We restrict traffic via source ip, destination ip, and port between vlans.  I have 3 switches configured each one configured for their respective vlan.  The problem is the guys in charge of VM Hosts don't have enough physical ports to map a port to each one of these switches.  I started looking into virtual switch in vmware and the cisco virtual switch.  Would implementing a vswitch, allow me to have 3 different vlans, without the need to map a physical NIC port to each one of these vlans?  I feel like I'm missing something, and there has to be an easier way.  I never played with a vswitch, and am looking for some insight for this scenario.  Thanks.
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Aaron TomoskyDirector of Solutions ConsultingCommented:
The built in switches are layer2 only but they can do vlan trunking which is how most people configure the physical ports. If you want to do layer 3 routing virtually, you can use anything in a VM: Cisco, brocade has one, even pfsense or something else in Linux.

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You can do vlan trunking without any support on the switch. Only limitation is that you cannot bridge different vlans.
Very practical to keep vmotion logically off the network.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Unless you implement Cisco or NSX switching, you will need to connect the physical trunks to physical switches for the hardware!

OR, you will need to use a virtual router.
A virtual router is not a vmware product. It is a home router like openwrt.
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