Running pfSense

 I am going to use pfSense as my firewall.

Here's how to set it up as a VM:

https://docs.netgate.com/pfsense/en/latest/virtualization/virtualizing-pfsense-with-vmware-vsphere-esxi.html#:~:text=Creating%20a%20pfSense%20VM,-Now%20that%20the&text=On%20the%20first%20wizard%20screen,to%20keep%20your%20pfSense%20VM.

If you can't create a virtual switch, check this: https://communities.vmware.com/thread/608373

Try to use ESXCLI through SSH as below:

 

List all standard switches:     esxcli network vswitch standard list

Create standard switch:    esxcli network vswitch standard add -v vSwitch1

Create a new Portgroup “testpg” in vSwitch1:     esxcli network vswitch standard portgroup add -p “testpg” -v vSwitch1

Assign an uplink “vmnic4” to Virtual Swtich2:    esxcli network vswitch standard uplink add -u vmnic4 -v vSwitch1

Then refresh your browser for the admin ESXi screen