diff --git a/README.md b/README.md
index e5a1292..4f9ef1f 100644
--- a/README.md
+++ b/README.md
@@ -892,6 +892,8 @@ used by this network are configurable at the provider level.
 * `management_network_pci_slot` -  The slot of the PCI device.
 * `management_network_mac` - MAC address of management network interface.
 * `management_network_domain` - Domain name assigned to the management network.
+* `management_network_mtu` - MTU size of management network. If not specified,
+  the Libvirt default (1500) will be used.
 
 You may wonder how vagrant-libvirt knows the IP address a VM received.  Libvirt
 doesn't provide a standard way to find out the IP address of a running domain.
diff --git a/lib/vagrant-libvirt/config.rb b/lib/vagrant-libvirt/config.rb
index 4861a4d..e7b6637 100644
--- a/lib/vagrant-libvirt/config.rb
+++ b/lib/vagrant-libvirt/config.rb
@@ -61,6 +61,7 @@ module VagrantPlugins
       attr_accessor :management_network_pci_bus
       attr_accessor :management_network_pci_slot
       attr_accessor :management_network_domain
+      attr_accessor :management_network_mtu
 
       # System connection information
       attr_accessor :system_uri
@@ -208,6 +209,7 @@ module VagrantPlugins
         @management_network_pci_slot = UNSET_VALUE
         @management_network_pci_bus = UNSET_VALUE
         @management_network_domain = UNSET_VALUE
+        @management_network_mtu = UNSET_VALUE
 
         # System connection information
         @system_uri      = UNSET_VALUE
@@ -784,6 +786,7 @@ module VagrantPlugins
         @management_network_pci_bus = nil if @management_network_pci_bus == UNSET_VALUE
         @management_network_pci_slot = nil if @management_network_pci_slot == UNSET_VALUE
         @management_network_domain = nil if @management_network_domain == UNSET_VALUE
+        @management_network_mtu = nil if @management_network_mtu == UNSET_VALUE
         @system_uri      = 'qemu:///system' if @system_uri == UNSET_VALUE
 
         # Domain specific settings.
diff --git a/lib/vagrant-libvirt/util/network_util.rb b/lib/vagrant-libvirt/util/network_util.rb
index ea71cb1..a682827 100644
--- a/lib/vagrant-libvirt/util/network_util.rb
+++ b/lib/vagrant-libvirt/util/network_util.rb
@@ -19,6 +19,7 @@ module VagrantPlugins
           management_network_pci_bus = env[:machine].provider_config.management_network_pci_bus
           management_network_pci_slot = env[:machine].provider_config.management_network_pci_slot
           management_network_domain = env[:machine].provider_config.management_network_domain
+          management_network_mtu = env[:machine].provider_config.management_network_mtu
           logger.info "Using #{management_network_name} at #{management_network_address} as the management network #{management_network_mode} is the mode"
 
           begin
@@ -70,6 +71,10 @@ module VagrantPlugins
             management_network_options[:domain_name] = management_network_domain
           end
 
+          unless management_network_mtu.nil?
+            management_network_options[:mtu] = management_network_mtu
+          end
+
           unless management_network_pci_bus.nil? and management_network_pci_slot.nil?
             management_network_options[:bus] = management_network_pci_bus
             management_network_options[:slot] = management_network_pci_slot