diff --git a/defaults/main.yml b/defaults/main.yml
index a4526e7..bc8a80b 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -33,6 +33,8 @@ nspawn_networks:
     netmask: 255.255.255.0
     # Optional | Set the macvlan mode
     macvlan_mode: bridge
+    # Optional | set the routed interface
+    routed_interface: mv-nspawn0
 
 # Primary interface used for host to container communications. In the event that
 # the underlying system is running a condensed network stack a route will be
@@ -57,6 +59,7 @@ nspawn_networks:
 # + simple example:
 #   management_cidr: "172.29.236.0/24"
 #   storage_cidr: "10.0.0.0/24"
+#   flat_cidr: "172.29.239.0/24"
 #   container_networks:
 #     management_address:
 #       bridge: eth0
@@ -66,6 +69,10 @@ nspawn_networks:
 #       netmask: 255.255.255.0
 #     tunnel_address:
 #       bridge: eth0.10
+#     flat_address:
+#       bridge: eth0
+#       interface: mv-flat
+#       routed_interface: mv-flat
 #
 # Extra interfaces that are wholly configured by the user can be set using the
 # container extra networks option. This option follows all of the parameters of
@@ -80,6 +87,8 @@ container_extra_networks: {}
 #    assigned to the underlying interface, "eth0".
 #  + The tunnel network will be attached to the container and isolated from the
 #    host with no access to without first attaching to the container.
+#  + The flat network will be created and attached to the container with a host
+#    route on the defined `routed_interface`.
 #
 nspawn_primary_interface: "{{ nspawn_networks['nspawn_address']['bridge'] }}"
 
diff --git a/tasks/nspawn_networking.yml b/tasks/nspawn_networking.yml
index c5fde41..e322172 100644
--- a/tasks/nspawn_networking.yml
+++ b/tasks/nspawn_networking.yml
@@ -101,7 +101,7 @@
           {%-       set _ = start_commands.append('-/sbin/ip link set dev ' + mv_interface + ' up') %}
           {%        if hostvars[inventory_hostname][key.split('_')[0] + '_cidr'] is defined and (value.address is undefined) %}
           {%          set net_cidr = hostvars[inventory_hostname][key.split('_')[0] + '_cidr'] %}
-          {%          set _ = start_commands.append('-/sbin/ip route add ' + net_cidr + ' dev ' + nspawn_primary_interface + ' metric 100 proto kernel scope link table local') %}
+          {%          set _ = start_commands.append('-/sbin/ip route add ' + net_cidr + ' dev ' + (value.routed_interface | default(nspawn_primary_interface)) + ' metric 100 proto kernel scope link table local') %}
           {%        elif (value.address is defined) and ((interface_data['ipv4'] | default({'address': none}))['address'] != value.address) %}
           {%          set _ = start_commands.append('-/sbin/ip address add ' + value.address + '/' + (value.netmask | default('32')) + ' dev ' + mv_interface + ' scope host') %}
           {%-       endif %}