diff --git a/README.md b/README.md
index 1c74962..058f334 100644
--- a/README.md
+++ b/README.md
@@ -458,6 +458,12 @@ An examples of network interface definitions:
       # default is 127.0.0.1 if omitted
       # :libvirt__tunnel_ip => '127.0.0.1',
       :libvirt__tunnel_port => '11111'
+    # network with ipv6 support
+    test_vm1.vm.network :private_network,
+      :ip => "10.20.5.42",
+      :libvirt__guest_ipv6 => "yes",
+      :libvirt__ipv6_address => "2001:db8:ca2:6::1",
+      :libvirt__ipv6_prefix => "64"
 
   # Guest 2
   config.vm.define :test_vm2 do |test_vm2|
@@ -466,6 +472,12 @@ An examples of network interface definitions:
       # default is 127.0.0.1 if omitted
       # :libvirt__tunnel_ip => '127.0.0.1',
       :libvirt__tunnel_port => '11111'
+    # network with ipv6 support
+    test_vm2.vm.network :private_network,
+      :ip => "10.20.5.45",
+      :libvirt__guest_ipv6 => "yes",
+      :libvirt__ipv6_address => "2001:db8:ca2:6::1",
+      :libvirt__ipv6_prefix => "64"
 
 
   # Public Network
@@ -557,6 +569,8 @@ starts with `libvirt__` string. Here is a list of those options:
   See [here](https://libvirt.org/formatnetwork.html#examplesPrivate6), and
   [here](http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=705e67d40b09a905cd6a4b8b418d5cb94eaa95a8)
   for for more information. *Note: takes either 'yes' or 'no' for value*
+* `:libvirt__ipv6_address` - Define ipv6 address, require also prefix.
+* `:libvirt__ipv6_prefix` - Define ipv6 prefix. generate string `<ip family="ipv6" address="address" prefix="prefix" >`
 * `:libvirt__iface_name` - Define a name for the private network interface.
   With this feature one can [simulate physical link
   failures](https://github.com/vagrant-libvirt/vagrant-libvirt/pull/498)
diff --git a/lib/vagrant-libvirt/action/create_networks.rb b/lib/vagrant-libvirt/action/create_networks.rb
index 03d2b46..a619fa6 100644
--- a/lib/vagrant-libvirt/action/create_networks.rb
+++ b/lib/vagrant-libvirt/action/create_networks.rb
@@ -56,6 +56,8 @@ module VagrantPlugins
                 netmask:          @options[:netmask],
                 network_address:  nil,
                 bridge_name:      nil,
+                ipv6_address:     options[:ipv6_address] || nil,
+                ipv6_prefix:      options[:ipv6_prefix] || nil,
                 created:          false,
                 active:           false,
                 autostart:        false,
@@ -282,6 +284,9 @@ module VagrantPlugins
           @network_netmask = @interface_network[:netmask]
           @guest_ipv6 = @interface_network[:guest_ipv6]
 
+          @network_ipv6_address = @interface_network[:ipv6_address]
+          @network_ipv6_prefix = @interface_network[:ipv6_prefix]
+
           @network_forward_mode = @options[:forward_mode]
           if @options[:forward_device]
             @network_forward_device = @options[:forward_device]
diff --git a/lib/vagrant-libvirt/templates/private_network.xml.erb b/lib/vagrant-libvirt/templates/private_network.xml.erb
index d7547c7..48e82ee 100644
--- a/lib/vagrant-libvirt/templates/private_network.xml.erb
+++ b/lib/vagrant-libvirt/templates/private_network.xml.erb
@@ -27,4 +27,8 @@
     </ip>
   <% end %>
 
+  <% if !@network_ipv6_address.nil? && !@network_ipv6_prefix.nil? %>
+    <ip family='ipv6' address="<%= @network_ipv6_address %>" prefix="<%= @network_ipv6_prefix %>"></ip>
+  <% end %>
+
 </network>