NICs of my physical hosts not available to my guest virtual machines

I have setup a vmware vsphere 6 lab with one physical ESXi host with some nested ESXi hosts. My physical host has 4 NICs in total which I have only connected 2 of them, one to my LAN and the other to my NAS network. I have configured 2 virtual switches on my Physical host but there is only 1 port group available for my virtual ESXi hosts and other virtual guests. I want to be able to add a second NIC to these guests but they are not available.

Why is this happening?
LuiLui77Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You normally add physical nics in the host (called uplinks) to a vSwitch. So once uplinks are added to the vSwitch, you would then create Virtual Machine Portgroups, to connect to these vSwitches.

The Virtual Machine Portgroup (Label) is then selected in the VM settings, in the network interface setting.

Have you created a new virtual machine portgroup ?

see my EE Article

Part 14: HOW TO: Configure basic networking on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server
LuiLui77Author Commented:
Hi Andrew! Yes I have created an additional VMKernel portgroup created on vswitch1. This vswitch1 is attached to the second physical NIC. This VMKernel port group is not available to my virtual machines, is it because the port group was created on another vswitch other than the default vswitch0?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
VMKernel Portgroups are *NEVER* available to virtual machines, these are special portgroups, which belong to the HOST ONLY,  HOST VMKernel for the transfer of iSCSI, NFS or vMotion Traffic e.g. host traffic!

These IP Addresses belong to the host not guest!

Your Guest VMs already have IP Addresses allocated to them via the OS, you just need to connect your VMs, to a virtual machine portgroup!

Remember the HOST is the HOST, and has network traffic, which is very different and isolated from Virtual Machine traffic!

I think some reading might be useful...

If you want to read more on networking in VMware ESX/ESXi, then I recommend the following:-

I would also recommend reading through the Networking Sections of the following guides to gain a better understanding of Networking in VMware ESX/ESXi.

Pages 13 - 73 Discuss Networking in Detail, including trunks, VLANs, switches, and load balancing

ESXi Configuration Guide ESXi 4.1

http://www.vmware.com/pdf/vsphere4/r41/vsp_41_esxi_server_config.pdf

Virtual Networking

http://www.vmware.com/technical-resources/virtual-networking/virtual-networks.html

Virtual Networking Concepts

http://www.vmware.com/files/pdf/virtual_networking_concepts.pdf
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LuiLui77Author Commented:
I see, I guess I was a little confused since my virtual machines are actual virtual ESXi hosts, let me keep on reading.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
A guest is a guest, does not matter what it is, it will never see a VMKernel Portgroup in the Host!

Make sure you allocate all VMs to a virtual machine portgroup. (they will show up as a network, next to the network interface).

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LuiLui77Author Commented:
Thank you Andrew!
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