Create an isolated network in Vsphere ESXI 5.5 for training lab

Can someone please provide some advice on how to Create an isolated network in Vsphere ESXI 5.5 for training lab? nested ESXi inside ESXi host with window server 2012 and DHCP, DNS DC...
keep home network home router dhcp for personal computer and devices....

thanks

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Essendon

Internal switch. Connect all your nested ESXis VMs to it.

Oakparktech

do i setup a NIC too? any special port configuration?

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Essendon

Remove the uplink, connect every nested ESXis VMs to the VM Network port group. Keep in mind though that this will ensure no nested VM can then go out to the internet either.

jibbajabba

My lab (main standalone box which hosts several nested clusters).:

Most of my VMs are connected to the internal switch only. I also got a virtual router (ClearOS). This has an interface in both, internal and external so if a VM on the internal network does require an internet connection, I just have to allow it on the firewall or simply create NAT rules.

In fact, my virtual router's external interface is on DHCP and all internal IPs are fixed. I moved my lab to the office once and didn't have to change a thing. Not on the internal LAN / DHCP / AD etc.

You can see the setup here: http://open902.com/lab-vsphere-setup/

Oakparktech

thanks for the tips.

In my previous message, I have a screen shot. Can I just setup my Data Center and VCP Data Center with no adapters?
I am just trying to get DHCP/DNS to work and I don't think I need internet for now.