diff --git a/devstack/lib/vmware_nsx_v3 b/devstack/lib/vmware_nsx_v3
index 8b224e7b17..53c0f54b53 100644
--- a/devstack/lib/vmware_nsx_v3
+++ b/devstack/lib/vmware_nsx_v3
@@ -20,6 +20,12 @@
 # Neutron VMware NSX plugin
 # -------------------------
 
+# Settings
+
+# The interface which has connectivity to the NSX Gateway uplink
+NSX_GATEWAY_NETWORK_INTERFACE=${NSX_GATEWAY_NETWORK_INTERFACE:-}
+
+
 # Save trace setting
 NSX_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
@@ -127,5 +133,63 @@ function neutron_plugin_check_adv_test_requirements {
     is_service_enabled q-dhcp && return 0
 }
 
+
+function init_vmware_nsx_v3 {
+    if ! is_set NSX_GATEWAY_NETWORK_INTERFACE; then
+        echo "NSX_GATEWAY_NETWORK_INTERFACE not set not configuring routes"
+        return
+    fi
+
+    if ! is_set NSX_GATEWAY_NETWORK_CIDR; then
+        NSX_GATEWAY_NETWORK_CIDR=$PUBLIC_NETWORK_GATEWAY/${FLOATING_RANGE#*/}
+        echo "The IP address to set on $PUBLIC_BRIDGE was not specified. "
+        echo "Defaulting to $NSX_GATEWAY_NETWORK_CIDR"
+    fi
+    # Make sure the interface is up, but not configured
+    sudo ip link set $NSX_GATEWAY_NETWORK_INTERFACE up
+    # Save and then flush the IP addresses on the interface
+    addresses=$(ip addr show dev $NSX_GATEWAY_NETWORK_INTERFACE | grep inet | awk {'print $2'})
+    sudo ip addr flush $NSX_GATEWAY_NETWORK_INTERFACE
+    # Use the PUBLIC Bridge to route traffic to the NSX gateway
+    # NOTE(armando-migliaccio): if running in a nested environment this will work
+    # only with mac learning enabled, portsecurity and security profiles disabled
+    # The public bridge might not exist for the NSX plugin if Q_USE_DEBUG_COMMAND is off
+    # Try to create it anyway
+    sudo ovs-vsctl --may-exist add-br $PUBLIC_BRIDGE
+    sudo ovs-vsctl --may-exist add-port $PUBLIC_BRIDGE $NSX_GATEWAY_NETWORK_INTERFACE
+    # Flush all existing addresses on public bridge
+    sudo ip addr flush dev $PUBLIC_BRIDGE
+    nsx_gw_net_if_mac=$(ip link show $NSX_GATEWAY_NETWORK_INTERFACE | awk '/ether/ {print $2}')
+    sudo ip link set address $nsx_gw_net_if_mac dev $PUBLIC_BRIDGE
+    for address in $addresses; do
+        sudo ip addr add dev $PUBLIC_BRIDGE $address
+    done
+    sudo ip addr add dev $PUBLIC_BRIDGE $NSX_GATEWAY_NETWORK_CIDR
+    sudo ip link set $PUBLIC_BRIDGE up
+}
+
+function stop_vmware_nsx_v3 {
+    if ! is_set NSX_GATEWAY_NETWORK_INTERFACE; then
+        echo "NSX_GATEWAY_NETWORK_INTERFACE was not configured."
+        return
+    fi
+
+    if ! is_set NSX_GATEWAY_NETWORK_CIDR; then
+        NSX_GATEWAY_NETWORK_CIDR=$PUBLIC_NETWORK_GATEWAY/${FLOATING_RANGE#*/}
+        echo "The IP address expected on $PUBLIC_BRIDGE was not specified. "
+        echo "Defaulting to "$NSX_GATEWAY_NETWORK_CIDR
+    fi
+    sudo ip addr del $NSX_GATEWAY_NETWORK_CIDR dev $PUBLIC_BRIDGE
+    # Save and then flush remaining addresses on the interface
+    addresses=$(ip addr show dev $PUBLIC_BRIDGE | grep inet | awk {'print $2'})
+    sudo ip addr flush $PUBLIC_BRIDGE
+    # Try to detach physical interface from PUBLIC_BRIDGE
+    sudo ovs-vsctl del-port $NSX_GATEWAY_NETWORK_INTERFACE
+    # Restore addresses on NSX_GATEWAY_NETWORK_INTERFACE
+    for address in $addresses; do
+        sudo ip addr add dev $NSX_GATEWAY_NETWORK_INTERFACE $address
+    done
+}
+
 # Restore xtrace
 $NSX_XTRACE
diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index c2077bede1..ea88ddce2b 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -39,7 +39,10 @@ elif [[ $Q_PLUGIN == 'vmware_nsx' ]]; then
     fi
 elif [[ $Q_PLUGIN == 'vmware_nsx_v3' ]]; then
     source $dir/lib/vmware_nsx_v3
-    if [[ "$1" == "unstack" ]]; then
+    if [[ "$1" == "stack" && "$2" == "post-config" ]]; then
+        init_vmware_nsx_v3
+    elif [[ "$1" == "unstack" ]]; then
+        stop_vmware_nsx
         NSX_MANAGER=${NSX_MANAGERS:-$NSX_MANAGER}
         IFS=','
         NSX_MANAGER=($NSX_MANAGER)