vSphere 4.1 U1 - vSwitch not tied to a physical, for purposes of test card

I used to know this, but guess age catches up to me...

I use vSphere 4.1 U1 (ESX 4.1). I have a cluster with 6 guests. I want to create a vSwitch, not tied to physical adapters, uses a subnet in 172.16.x.x and that does * not * communicate in any way with all the traffic on the physical network adapters.

What I want to do is to create a new virtual domain so that I can test changes to my Active Directory domain name. I'll make copies of my domain controllers 2 change its IP address to match. In this way, I have a copy of my AD domain running, who will never get back somehow the field of actual production, which is running on the physical network adapters and using a completely separate private IP range. I used to have this configuration, at the time where I was running ESX 3.5, but it lost when I migrated to 4.1 and does not recreate this vSwitch.

I created a vSwitch and assigned without network cards. I did not specify a VLAN ID. I * think * that's all what I need to do - just assign the DCs cloned to use this new network in their environments. They should be able to talk to each other, but that's all - nothing else, since this vSwitch can speak for itself, having no physical maps that are entrusted.

I realize doing it this way would bind me to the use of only 1 host in this area of trial, since the vSwitch would have no way to talk to any virtual machines that are not on the same host.

1. am I right? I should be able to safely launch the cloned VMs, as they are both on the same network segment, and they will talk to each other and nowhere else?

2. is there a better way to do it? Or a way for what I'm not tied to a single host, yet always the separation I need?

Thank you

I think your plan is very good and works as soon as you expect it.

Tags: VMware

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