DD-WRT router and Vmware ESXi 4.1 settings for single NIC lab

Good Day Experts,

I am unfortunately unfamiliar with vmware and networking so I would need a step-by step guide in order to do the following :
-I have an older desktop with VmWare ESXi 4.1 installed. This desktop has 1 NIC, and is connected to my home router, that is a Linksys e3000 with dd-wrt firmware on it (dd-wrt.v24-15508) my home network is /24
I would like to create Vm machines within this box that simulate a multi -site / multi-subnet setup for AD (like 3 different /27 VLANs)
I read / heard that on my router, I have to enable vlan tagging on the port 4 (that is where the NIC's cable is connected). THe Esx is just installed, no configuration yet (except the static IP,
What should I do in Vsphere client to create the subnets / vlans?
What should I do on my dd-wrt router in order to get those vm servers on a different subnet but still able to connect to the internet?

Could anyone point me to the right direction with "simple" words? :) (I might write down these, but trunking, tagging, vswitch do not say too much)
Thank You
Who is Participating?
RKinspConnect With a Mentor Commented:
- correction, ESXi does do VLANs. Your NIC will still be a problem though...

found this:
open up the vmware infrastructure client
select the server
select configuration from the tabs in the header
select networking from the hardware list on the left
select add networking in the top right
select "Virtual Machine" and click next
select "Create a virtual switch" and click next
Enter a name for the switch

Hello malvin,

I am sorry to say that older desktops usually have NICs that do not understand VLAN tag frames - this means that it will drop any packets with 802.1q Tags.

Regarding Vsphere, I don't think the free version can do VLAN trunking either, but not sure on that point.

malvin82Author Commented:
thank You,
well, older means 3 years old, a dell precision. that should be good for vlans.
I will check out your suggestions.
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