Vagrant pfsense + guest vm.

Vagrantfile

Vagrant.configure("2") do |config|
  config.vm.define "pfsense" do |subconfig|
    subconfig.vm.box = "kennyl/pfsense"
    subconfig.vm.box_version = "2.4.0"
    subconfig.vm.synced_folder ".", "/vagrant", disabled: true
    subconfig.vm.network "private_network", virtualbox__intnet: "mynetwork", auto_config: false
    subconfig.vm.network "forwarded_port", guest: 80, host: 8080
    subconfig.vm.network "forwarded_port", guest: 443, host: 8443
    subconfig.vm.network "forwarded_port", guest: 3000, host: 3000
    subconfig.vm.provider :virtualbox do |vb|
      vb.memory = 1024
      vb.cpus = 2
    end
  end
  config.vm.define "client" do |subconfig|
    subconfig.vm.box = "ubuntu/bionic64"
    subconfig.vm.synced_folder ".", "/vagrant", disabled: true
    subconfig.vm.network "private_network", virtualbox__intnet: "mynetwork", type: "dhcp"
    config.vm.provision "shell",
      run: "always",
      inline: "route add default gw 192.168.100.1" # change this to the pfsense LAN ipv4
    end
  end  
end