diff --git a/plugins/providers/virtualbox/action/forward_ports.rb b/plugins/providers/virtualbox/action/forward_ports.rb
index 0afc71115..1910df6cc 100644
--- a/plugins/providers/virtualbox/action/forward_ports.rb
+++ b/plugins/providers/virtualbox/action/forward_ports.rb
@@ -27,23 +27,35 @@ module VagrantPlugins
         # This returns an array of forwarded ports with overrides properly
         # squashed.
         def forward_port_definitions
-          # Get all the port mappings in the order they're defined and
-          # organize them by their guestport, taking the "last one wins"
-          # approach.
-          guest_port_mapping = {}
-          @env[:machine].config.vm.forwarded_ports.each do |options|
-            guest_port_mapping[options[:guestport]] = options
+          # Get all of the forwarded port definitions in the network and
+          # convert it to a forwarded port model for use in the rest of
+          # the action.
+          #
+          # Duplicate forward port definitions are treated as "last one wins"
+          # where the last host port definition wins.
+          fp_mapping = {}
+          @env[:machine].config.vm.networks.each do |type, args|
+            # We only care about forwarded ports currently
+            if type == :forwarded_port
+              options    = args[2] || {}
+              host_port  = args[0].to_i
+              guest_port = args[1].to_i
+              id         = options[:id] || "#{guest_port.to_s(32)}-#{host_port.to_s(32)}"
+
+              fp_mapping[host_port] =
+                Model::ForwardedPort.new(id, host_port, guest_port, options)
+            end
           end
 
           # Return the values, since the order doesn't really matter
-          guest_port_mapping.values
+          fp_mapping.values
         end
 
         # This method checks for any forwarded ports on the host below
         # 1024, which causes the forwarded ports to fail.
         def threshold_check(ports)
-          ports.each do |options|
-            if options[:hostport] <= 1024
+          ports.each do |port|
+            if port.host_port <= 1024
               @env[:ui].warn I18n.t("vagrant.actions.vm.forward_ports.privileged_ports")
               return
             end
@@ -55,11 +67,11 @@ module VagrantPlugins
 
           interfaces = @env[:machine].provider.driver.read_network_interfaces
 
-          mappings.each do |options|
+          mappings.each do |port|
             message_attributes = {
-              :guest_port => options[:guestport],
-              :host_port => options[:hostport],
-              :adapter => options[:adapter]
+              :guest_port => port.guest_port,
+              :host_port => port.host_port,
+              :adapter => port.adapter
             }
 
             # Assuming the only reason to establish port forwarding is
@@ -71,14 +83,20 @@ module VagrantPlugins
 
             # Port forwarding requires the network interface to be a NAT interface,
             # so verify that that is the case.
-            if interfaces[options[:adapter]][:type] != :nat
+            if interfaces[port.adapter][:type] != :nat
               @env[:ui].info(I18n.t("vagrant.actions.vm.forward_ports.non_nat",
                                     message_attributes))
               next
             end
 
             # Add the options to the ports array to send to the driver later
-            ports << options.merge(:name => options[:name], :adapter => options[:adapter])
+            ports << {
+              :adapter   => port.adapter,
+              :guestport => port.guest_port,
+              :hostport  => port.host_port,
+              :name      => port.id,
+              :protocol  => port.protocol
+            }
           end
 
           if !ports.empty?
diff --git a/plugins/providers/virtualbox/model/forwarded_port.rb b/plugins/providers/virtualbox/model/forwarded_port.rb
new file mode 100644
index 000000000..d3f759504
--- /dev/null
+++ b/plugins/providers/virtualbox/model/forwarded_port.rb
@@ -0,0 +1,44 @@
+module VagrantPlugins
+  module ProviderVirtualBox
+    module Model
+      # Represents a single forwarded port for VirtualBox. This has various
+      # helpers and defaults for a forwarded port.
+      class ForwardedPort
+        # The NAT adapter on which to attach the forwarded port.
+        #
+        # @return [Integer]
+        attr_reader :adapter
+
+        # The unique ID for the forwarded port.
+        #
+        # @return [String]
+        attr_reader :id
+
+        # The protocol to forward.
+        #
+        # @return [String]
+        attr_reader :protocol
+
+        # The port on the guest to be exposed on the host.
+        #
+        # @return [Integer]
+        attr_reader :guest_port
+
+        # The port on the host used to access the port on the guest.
+        #
+        # @return [Integer]
+        attr_reader :host_port
+
+        def initialize(id, host_port, guest_port, options)
+          @id         = id
+          @guest_port = guest_port
+          @host_port  = host_port
+
+          options ||= {}
+          @adapter  = options[:adapter] || 1
+          @protocol = options[:protocol] || "tcp"
+        end
+      end
+    end
+  end
+end
diff --git a/plugins/providers/virtualbox/plugin.rb b/plugins/providers/virtualbox/plugin.rb
index 3c876c340..7a0c7fb6e 100644
--- a/plugins/providers/virtualbox/plugin.rb
+++ b/plugins/providers/virtualbox/plugin.rb
@@ -30,5 +30,9 @@ module VagrantPlugins
       autoload :Version_4_1, File.expand_path("../driver/version_4_1", __FILE__)
       autoload :Version_4_2, File.expand_path("../driver/version_4_2", __FILE__)
     end
+
+    module Model
+      autoload :ForwardedPort, File.expand_path("../model/forwarded_port", __FILE__)
+    end
   end
 end