diff --git a/lib/vagrant/action/vm/network.rb b/lib/vagrant/action/vm/network.rb
index b1792724d..afed943cc 100644
--- a/lib/vagrant/action/vm/network.rb
+++ b/lib/vagrant/action/vm/network.rb
@@ -25,8 +25,8 @@ module Vagrant
 
           if enable_network?
             @env.ui.info I18n.t("vagrant.actions.vm.network.enabling")
-            @env["vm"].system.prepare_host_only_network
             @env.env.config.vm.network_options.compact.each do |network_options|
+              @env["vm"].system.prepare_host_only_network(network_options)
               @env["vm"].system.enable_host_only_network(network_options)
             end
           end
diff --git a/lib/vagrant/systems.rb b/lib/vagrant/systems.rb
index bd759f737..6f97765b4 100644
--- a/lib/vagrant/systems.rb
+++ b/lib/vagrant/systems.rb
@@ -6,3 +6,4 @@ require 'vagrant/systems/solaris'
 
 require 'vagrant/systems/debian'
 require 'vagrant/systems/gentoo'
+require 'vagrant/systems/redhat'
diff --git a/lib/vagrant/systems/base.rb b/lib/vagrant/systems/base.rb
index 19c5e8ad9..a869b1a16 100644
--- a/lib/vagrant/systems/base.rb
+++ b/lib/vagrant/systems/base.rb
@@ -68,7 +68,7 @@ module Vagrant
 
       # Prepares the system for host only networks. This is called
       # once prior to any `enable_host_only_network` calls.
-      def prepare_host_only_network
+      def prepare_host_only_network(net_options = nil)
         raise BaseError, :_key => :unsupported_host_only
       end
 
diff --git a/lib/vagrant/systems/debian.rb b/lib/vagrant/systems/debian.rb
index 660db7cdf..86f03a3eb 100644
--- a/lib/vagrant/systems/debian.rb
+++ b/lib/vagrant/systems/debian.rb
@@ -1,7 +1,7 @@
 module Vagrant
   module Systems
     class Debian < Linux
-      def prepare_host_only_network
+      def prepare_host_only_network(net_options = nil)
         # Remove any previous host only network additions to the
         # interface file.
         vm.ssh.execute do |ssh|
diff --git a/lib/vagrant/systems/gentoo.rb b/lib/vagrant/systems/gentoo.rb
index 878bb90b3..fcef90306 100644
--- a/lib/vagrant/systems/gentoo.rb
+++ b/lib/vagrant/systems/gentoo.rb
@@ -1,7 +1,7 @@
 module Vagrant
   module Systems
     class Gentoo < Linux
-      def prepare_host_only_network
+      def prepare_host_only_network(net_options = nil)
         # Remove any previous host only network additions to the
         # interface file.
         vm.ssh.execute do |ssh|
diff --git a/lib/vagrant/systems/redhat.rb b/lib/vagrant/systems/redhat.rb
index 069b65545..977acce79 100644
--- a/lib/vagrant/systems/redhat.rb
+++ b/lib/vagrant/systems/redhat.rb
@@ -1,13 +1,13 @@
 module Vagrant
   module Systems
     class Redhat < Linux
-      def prepare_host_only_network(net_options = nil)
+      def prepare_host_only_network(net_options)
         # Remove any previous host only network additions to the
         # interface file.
         vm.ssh.execute do |ssh|
           # Clear out any previous entries
-          #ssh.exec!("sudo sed -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' /etc/sysconfig/network-scripts/ifcfg-eth#{net_options[:adapter]} > /tmp/vagrant-ifcfg-eth#{net_options[:adapter]}")
-          #ssh.exec!("sudo su -c 'cat /tmp/vagrant-ifcfg-eth#{net_options[:adapter]} > /etc/sysconfig/network-scripts/ifcfg-eth#{net_options[:adapter]}'")
+          ssh.exec!("sudo sed -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' /etc/sysconfig/network-scripts/ifcfg-eth#{net_options[:adapter]} > /tmp/vagrant-ifcfg-eth#{net_options[:adapter]}")
+          ssh.exec!("sudo su -c 'cat /tmp/vagrant-ifcfg-eth#{net_options[:adapter]} > /etc/sysconfig/network-scripts/ifcfg-eth#{net_options[:adapter]}'")
         end
       end
 
@@ -17,7 +17,8 @@ module Vagrant
         vm.ssh.upload!(StringIO.new(entry), "/tmp/vagrant-network-entry")
 
         vm.ssh.execute do |ssh|
-          ssh.exec!("sudo /sbin/ifdown eth#{net_options[:adapter]} 2> /dev/null")
+          interface_up = ssh.test?("/sbin/ifconfig eth#{net_options[:adapter]} | grep 'inet addr:'")
+          ssh.exec!("sudo /sbin/ifdown eth#{net_options[:adapter]} 2> /dev/null") if interface_up
           ssh.exec!("sudo su -c 'cat /tmp/vagrant-network-entry >> /etc/sysconfig/network-scripts/ifcfg-eth#{net_options[:adapter]}'")
           ssh.exec!("sudo /sbin/ifup eth#{net_options[:adapter]}")
         end
diff --git a/lib/vagrant/vm.rb b/lib/vagrant/vm.rb
index b192c4ce6..ff29c6dcc 100644
--- a/lib/vagrant/vm.rb
+++ b/lib/vagrant/vm.rb
@@ -60,6 +60,7 @@ module Vagrant
         mapping = {
           :debian => Systems::Debian,
           :gentoo => Systems::Gentoo,
+          :redhat => Systems::Redhat,
           :linux => Systems::Linux,
           :solaris => Systems::Solaris
         }