diff --git a/neutron/files/mitaka/neutron-generic.conf.Debian b/neutron/files/mitaka/neutron-generic.conf.Debian
index 092fd56..6956e60 100644
--- a/neutron/files/mitaka/neutron-generic.conf.Debian
+++ b/neutron/files/mitaka/neutron-generic.conf.Debian
@@ -178,6 +178,7 @@
 # value. Defaults to 1500, the standard value for Ethernet. (integer value)
 # Deprecated group/name - [ml2]/segment_mtu
 #global_physnet_mtu = 1500
+global_physnet_mtu = {{ neutron.get('global_physnet_mtu', '1500') }}
 
 # Number of backlog requests to configure the socket with (integer value)
 #backlog = 4096
diff --git a/neutron/files/newton/neutron-generic.conf.Debian b/neutron/files/newton/neutron-generic.conf.Debian
index 8c39aa6..d901533 100644
--- a/neutron/files/newton/neutron-generic.conf.Debian
+++ b/neutron/files/newton/neutron-generic.conf.Debian
@@ -178,6 +178,7 @@
 # value. Defaults to 1500, the standard value for Ethernet. (integer value)
 # Deprecated group/name - [ml2]/segment_mtu
 #global_physnet_mtu = 1500
+global_physnet_mtu = {{ neutron.get('global_physnet_mtu', '1500') }}
 
 # Number of backlog requests to configure the socket with (integer value)
 #backlog = 4096
diff --git a/neutron/files/ocata/neutron-generic.conf.Debian b/neutron/files/ocata/neutron-generic.conf.Debian
index 0dde78f..8115aea 100644
--- a/neutron/files/ocata/neutron-generic.conf.Debian
+++ b/neutron/files/ocata/neutron-generic.conf.Debian
@@ -142,6 +142,7 @@
 # value. Defaults to 1500, the standard value for Ethernet. (integer value)
 # Deprecated group/name - [ml2]/segment_mtu
 #global_physnet_mtu = 1500
+global_physnet_mtu = {{ neutron.get('global_physnet_mtu', '1500') }}
 
 # Number of backlog requests to configure the socket with (integer value)
 #backlog = 4096
diff --git a/neutron/gateway.sls b/neutron/gateway.sls
index a6e6586..45e45e3 100644
--- a/neutron/gateway.sls
+++ b/neutron/gateway.sls
@@ -55,4 +55,4 @@
     - file: /etc/neutron/plugins/ml2/openvswitch_agent.ini
     - file: /etc/neutron/dhcp_agent.ini
 
-{%- endif %}
\ No newline at end of file
+{%- endif %}