diff --git a/bootstrap/bootstrap.py b/bootstrap/bootstrap.py
index 4c00853..c7a0826 100755
--- a/bootstrap/bootstrap.py
+++ b/bootstrap/bootstrap.py
@@ -290,7 +290,7 @@
         hostIfc = ifc if ifc['name'] == config['bridge'] else hostIfc
 
     add_or_update_node_group_interface(client, ng, config['gw'], localIfc, config['interface'], config['network'])
-    add_or_update_node_group_interface(client, ng, config['gw'], hostIfc, config['bridge'], config['bridge-subnet'])
+    #add_or_update_node_group_interface(client, ng, config['gw'], hostIfc, config['bridge'], config['bridge-subnet'])
 
     # Update the server settings to upstream DNS request to Google
     # POST /api/2.0/maas/ op=set_config
diff --git a/build.gradle b/build.gradle
index 2bc1e16..0f50779 100644
--- a/build.gradle
+++ b/build.gradle
@@ -286,9 +286,11 @@
             .p(config.seedServer.sudoPassword, "ansible_sudo_pass")
             .p(config.seedServer.fabric_ip, "fabric_ip")
             .p(config.seedServer.management_ip, "management_ip")
+            .p(config.seedServer.management_gw, "management_gw")
             .p(config.seedServer.management_network, "management_network")
             .p(config.seedServer.management_iface, "management_iface")
             .p(config.seedServer.external_ip, "external_ip")
+            .p(config.seedServer.external_gw, "external_gw")
             .p(config.seedServer.external_network, "external_network")
             .p(config.seedServer.external_iface, "external_iface")
             .p(config.seedServer.fabric_ip, "fabric_ip")
@@ -342,9 +344,11 @@
             .p(config.seedServer.sudoPassword, "ansible_sudo_pass")
             .p(config.seedServer.fabric_ip, "fabric_ip")
 	    .p(config.seedServer.management_ip, "management_ip")
+            .p(config.seedServer.management_gw, "management_gw")
             .p(config.seedServer.management_network, "management_network")
 	    .p(config.seedServer.management_iface, "management_iface")
 	    .p(config.seedServer.external_ip, "external_ip")
+            .p(config.seedServer.external_gw, "external_gw")
             .p(config.seedServer.external_network, "external_network")
             .p(config.seedServer.external_iface, "external_iface")
 	    .p(config.seedServer.fabric_ip, "fabric_ip")
diff --git a/roles/compute-node/files/pull-latest-docker-images b/roles/compute-node/files/pull-latest-docker-images
new file mode 100755
index 0000000..abcdf02
--- /dev/null
+++ b/roles/compute-node/files/pull-latest-docker-images
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+for i in $(docker images --format '{{.Repository}}:{{.Tag}}' | grep docker-registry | grep -v "<none>" | sort); do
+    docker pull $i
+done
diff --git a/roles/compute-node/files/rename_ifaces.sh b/roles/compute-node/files/rename_ifaces.sh
index b355579..a490717 100755
--- a/roles/compute-node/files/rename_ifaces.sh
+++ b/roles/compute-node/files/rename_ifaces.sh
@@ -132,10 +132,10 @@
     for i in $(cat $2); do
         if [ "eth$IDX" == "$4" ]; then
                 echo "auto eth$IDX" >> $OUT
-            if [ "$EXT_IP" == "dhcp" ]; then
+            if [ "$EXT_ADDR" == "dhcp" ]; then
                 echo "iface eth$IDX inet dhcp" >> $OUT
-            elif [ "$EXT_IP" == "manual" ]; then
-            echo "iface eth$IDX inet manual" >> $OUT
+            elif [ "$EXT_ADDR" == "manual" ]; then
+                echo "iface eth$IDX inet manual" >> $OUT
             else
                 echo "iface eth$IDX inet static" >> $OUT
                 echo "    address $EXT_IP" >> $OUT
@@ -143,22 +143,8 @@
                 echo "    netmask $EXT_NETMASK" >> $OUT
                 echo "    broadcast $EXT_BROADCAST" >> $OUT
                 echo "    gateway $EXT_GW" >> $OUT
-            echo "    dns-nameservers 8.8.8.8 8.8.4.4" >> $OUT
-            echo "    dns-search cord.lab" >> $OUT
-            fi
-        elif [ "eth$IDX" == "$5" ]; then
-            echo "auto eth$IDX" >> $OUT
-            if [ "$MGT_IP" == "dhcp" ]; then
-                echo "iface eth$IDX inet dhcp" >> $OUT
-            elif [ "$MGT_IP" == "manual" ]; then
-            echo "iface eth$IDX inet manual" >> $OUT
-            else
-                echo "iface eth$IDX inet static" >> $OUT
-                echo "    address $MGT_IP" >> $OUT
-                echo "    network $MGT_NETWORK" >> $OUT
-                echo "    netmask $MGT_NETMASK" >> $OUT
-                echo "    broadcast $MGT_BROADCAST" >> $OUT
-                echo "    gateway $MGT_GW" >> $OUT
+                echo "    dns-nameservers 8.8.8.8 8.8.4.4" >> $OUT
+                echo "    dns-search cord.lab" >> $OUT
             fi
         else
             echo "auto eth$IDX" >> $OUT
@@ -172,12 +158,23 @@
     local BRNAME=$5
     local F=$(echo $5 | grep "^eth[0-9]*$" | wc -l)
     if [ $F -ne 0 ]; then
-        BRNAME="br-mgmt"
+            BRNAME="mgmtbr"
     fi
     local BPCNT=$(echo $BRIDGE_PORTS | wc -w)
     if [ $BPCNT -ne 0 ]; then
         echo "auto $BRNAME" >> $OUT
-        echo "iface $BRNAME inet dhcp" >> $OUT
+        if [ "$MGT_ADDR" == "dhcp" ]; then
+            echo "iface $BRNAME inet dhcp" >> $OUT
+        elif [ "$MGT_ADDR" == "manual" ]; then
+                echo "iface $BRNAME inet manual" >> $OUT
+        else
+            echo "iface $BRNAME inet static" >> $OUT
+            echo "    address $MGT_IP" >> $OUT
+            echo "    network $MGT_NETWORK" >> $OUT
+            echo "    netmask $MGT_NETMASK" >> $OUT
+            echo "    broadcast $MGT_BROADCAST" >> $OUT
+            echo "    gateway $MGT_GW" >> $OUT
+        fi
         echo "    bridge_ports $BRIDGE_PORTS" >> $OUT
     fi
 }
@@ -191,23 +188,25 @@
 
 EXT_IFACE=$3
 EXT_ADDR=$4
+EXT_GW=$5
 if [ "$EXT_ADDR" != "dhcp" ]; then
     EXT_IP=$(echo $EXT_ADDR | cut -d/ -f1)
     EXT_MASKBITS=$(echo $EXT_ADDR | cut -d/ -f2)
     EXT_NETWORK=$(network $EXT_IP $EXT_MASKBITS)
     EXT_NETMASK=$(netmask $EXT_MASKBITS)
     EXT_BROADCAST=$(broadcast $EXT_IP $EXT_MASKBITS)
-    EXT_GW=$(first $EXT_ADDR)
+    test -z $EXT_GW && EXT_GW=$(first $EXT_ADDR)
 fi
-MGT_IFACE=$5
-MGT_ADDR=$6
+MGT_IFACE=$6
+MGT_ADDR=$7
+MGT_GW=$8
 if [ "$MGT_ADDR" != "dhcp" ]; then
     MGT_IP=$(echo $MGT_ADDR | cut -d/ -f1)
     MGT_MASKBITS=$(echo $MGT_ADDR | cut -d/ -f2)
     MGT_NETWORK=$(network $MGT_IP $MGT_MASKBITS)
     MGT_NETMASK=$(netmask $MGT_MASKBITS)
     MGT_BROADCAST=$(broadcast $MGT_IP $MGT_MASKBITS)
-    MGT_GW=$(first $MGT_ADDR)
+    test -z $MGT_GW && MGT_GW=$(first $MGT_ADDR)
 fi
 
 LIST_ETH=$(mktemp -u)
@@ -236,23 +235,23 @@
 
 diff /etc/network/interfaces $IFACES_FILE 2>&1 > /dev/null
 if [ $? -ne 0 ]; then
-  CHANGED="true"
-  cp /etc/network/interfaces /etc/network/interfaces.1
-  cp $IFACES_FILE /etc/network/interfaces
+    CHANGED="true"
+    cp /etc/network/interfaces /etc/network/interfaces.1
+    cp $IFACES_FILE /etc/network/interfaces
 fi
 
 generate_persistent_names $LIST_FABRIC $LIST_ETH "$FAB_IFACE" "$EXT_IFACE"
 
 if [ -r /etc/udev/rules.d/70-persistent-net.rules ]; then
-  diff /etc/udev/rules.d/70-persistent-net.rules $NAMES_FILE 2>&1 > /dev/null
-  if [ $? -ne 0 ]; then
-    CHANGED="true"
-    cp /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/70-persistent-net.rules.1
-    cp $NAMES_FILE /etc/udev/rules.d/70-persistent-net.rules
-  fi
+    diff /etc/udev/rules.d/70-persistent-net.rules $NAMES_FILE 2>&1 > /dev/null
+    if [ $? -ne 0 ]; then
+        CHANGED="true"
+        cp /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/70-persistent-net.rules.1
+        cp $NAMES_FILE /etc/udev/rules.d/70-persistent-net.rules
+    fi
 else
-  CHANGED="true"
-  cp $NAMES_FILE /etc/udev/rules.d/70-persistent-net.rules
+    CHANGED="true"
+    cp $NAMES_FILE /etc/udev/rules.d/70-persistent-net.rules
 fi
 
 rm -rf $IFACES_FILE
diff --git a/roles/compute-node/tasks/main.yml b/roles/compute-node/tasks/main.yml
index 1be091a..236fae4 100644
--- a/roles/compute-node/tasks/main.yml
+++ b/roles/compute-node/tasks/main.yml
@@ -108,6 +108,7 @@
     - get-node-prov-state
     - remove-xos-components
     - post-fabric-config
+    - pull-latest-docker-images
 
 - name: Verify Mellanox 40Gb NIC
   shell: /usr/bin/lspci | grep "Ethernet controller" | grep -c ConnectX-3 || true
@@ -151,7 +152,7 @@
 
 - name: Consistent Interface Naming
   become: yes
-  script: files/rename_ifaces.sh "{{ compute_node.interfaces.fabric }}" "{{ compute_node.addresses.fabric }}" "{{ compute_node.interfaces.external }}" "{{ compute_node.addresses.external }}" "{{ compute_node.interfaces.management }}" "{{ compute_node.addresses.management }}"
+  script: files/rename_ifaces.sh "{{ compute_node.interfaces.fabric }}" "{{ compute_node.addresses.fabric }}" "{{ compute_node.interfaces.external }}" "{{ compute_node.addresses.external }}" "{{ compute_node.gateway.external }}" "{{ compute_node.interfaces.management }}" "{{ compute_node.addresses.management }}" "{{ compute_node.gateway.management }}"
   register: ifaces_changed
   changed_when: ifaces_changed.stdout.find("true") != -1
   tags:
diff --git a/roles/compute-node/vars/main.yml b/roles/compute-node/vars/main.yml
index 64316c3..05425ea 100644
--- a/roles/compute-node/vars/main.yml
+++ b/roles/compute-node/vars/main.yml
@@ -3,9 +3,12 @@
 compute_node:
     interfaces:
         fabric: "{{ fabric_iface | default('fabric') }}"
-        management: "{{ management_iface | default('br-mgmt') }}"
+        management: "{{ management_iface | default('mgmtbr') }}"
         external: "{{ external_iface | default('') }}"
     addresses:
         fabric: "{{ fabric_ip | mandatory }}"
         management: "{{ management_ip | default('dhcp') }}"
         external: "{{ external_ip | default('manual') }}"
+    gateway:
+        external: "{{ external_gw | default('') }}"
+        management: "{{ management_gw | default('') }}"
diff --git a/roles/maas/files/generate_network_config.sh b/roles/maas/files/generate_network_config.sh
deleted file mode 100755
index eb8f7a2..0000000
--- a/roles/maas/files/generate_network_config.sh
+++ /dev/null
@@ -1,94 +0,0 @@
-#!/bin/bash
-
-IFACE_MGMT=$1
-NET_MGMT=$2
-NET_BRIDGE=$3
-MGMTBR=$4
-
-ip2int()
-{
-    local a b c d
-    { IFS=. read a b c d; } <<< $1
-    echo $(((((((a << 8) | b) << 8) | c) << 8) | d))
-}
-
-int2ip()
-{
-    local ui32=$1; shift
-    local ip n
-    for n in 1 2 3 4; do
-        ip=$((ui32 & 0xff))${ip:+.}$ip
-        ui32=$((ui32 >> 8))
-    done
-    echo $ip
-}
-
-netmask()
-{
-    local mask=$((0xffffffff << (32 - $1))); shift
-    int2ip $mask
-}
-
-
-broadcast()
-{
-    local addr=$(ip2int $1); shift
-    local mask=$((0xffffffff << (32 -$1))); shift
-    int2ip $((addr | ~mask))
-}
-
-network()
-{
-    local addr=$(ip2int $1); shift
-    local mask=$((0xffffffff << (32 -$1))); shift
-    int2ip $((addr & mask))
-}
-
-first()
-{
-    local addr=$(ip2int $1)
-    addr=`expr $addr + 1`
-    int2ip $addr
-}
-
-MBITS=`echo "$NET_MGMT" | cut -d/ -f2`
-MNETW=`echo "$NET_MGMT" | cut -d/ -f1`
-MMASK=`netmask $MBITS`
-MHOST=`first $MNETW`
-
-BBITS=`echo "$NET_BRIDGE" | cut -d/ -f2`
-BNETW=`echo "$NET_BRIDGE" | cut -d/ -f1`
-BMASK=`netmask $BBITS`
-BHOST=`first $BNETW`
-
-OUT=$(mktemp -u)
-cat /etc/network/interfaces | awk '/## CORD - DO NOT EDIT BELOW THIS LINE/{exit};1' | awk "/^auto / { if (\$2 == \"${IFACE_MGMT}\") { IN=1 } else {IN=0} } /^iface / { if (\$2 == \"${IFACE_MGMT}\") { IN=1 } else {IN=0}}  /^#/ || /^\s*\$/ { IN=0 } IN==0 {print} IN==1 { print \"#\" \$0 }" > $OUT
-
-cat <<EOT >> $OUT
-## CORD - DO NOT EDIT BELOW THIS LINE
-
-auto ${IFACE_MGMT}
-iface ${IFACE_MGMT} inet static
-    address ${MHOST}
-    network ${MNETW}
-    netmask ${MMASK}
-    gateway ${MHOST}
-
-auto ${MGMTBR}
-iface ${MGMTBR} inet static
-    address ${BHOST}
-    network ${BNETW}
-    netmask ${BMASK}
-    gateway ${BHOST}
-EOT
-
-diff /etc/network/interfaces $OUT 2>&1 > /dev/null
-if [ $? -ne 0 ]; then
-    cp /etc/network/interfaces /etc/network/interfaces.last
-    cp $OUT /etc/network/interfaces
-    echo -n "true"
-else
-    echo -n "false"
-fi
-
-rm $OUT
diff --git a/roles/maas/tasks/main.yml b/roles/maas/tasks/main.yml
index c6bde70..d247b4a 100644
--- a/roles/maas/tasks/main.yml
+++ b/roles/maas/tasks/main.yml
@@ -1,4 +1,14 @@
 ---
+- name: Ensure Management Bridge Interface
+  become: yes
+  command: ifconfig mgmtbr
+  register: have_mgmtbr
+  failed_when: false
+  changed_when: false
+
+- fail: msg="The head node must have a network bridge named 'mgmtbr' to continue the deployment. Please see docuemataiton at 'http://github.com/opencord/cord`."
+  when: have_mgmtbr.rc != 0
+
 - name: Install Prerequisites
   become: yes
   apt: name={{ item }} state=latest force=true
@@ -17,40 +27,20 @@
   with_items:
     - docker-py
 
-- name: Stop MAAS Switchq Container
+- name: Stop Containers
   become: yes
   docker:
-    name: switchq
-    image: opencord/cord-maas-switchq:latest
+    name: "{{ item.name }}"
+    image: "{{ item.image }}"
     state: absent
-
-- name: Stop MAAS Automation Container
-  become: yes
-  docker:
-    name: automation
-    image: opencord/cord-maas-automation:latest
-    state: absent
-
-- name: Stop Provisioner Container
-  become: yes
-  docker:
-    name: provisioner
-    image: opencord/cord-provisioner:latest
-    state: absent
-
-- name: Stop DHCP Harvester Container
-  become: yes
-  docker:
-    name: harvester
-    image: opencord/cord-dhcp-harvester:latest
-    state: absent
-
-- name: Stop IP Allocator Container
-  become: yes
-  docker:
-    name: allocator
-    image: opencord/cord-ip-allocator:latest
-    state: absent
+  with_items:
+    - { name: "storage", image: "docker-registry:5000/consul:{{ docker.image_version }}" }
+    - { name: "allocator", image: "docker-registry:5000/cord-ip-allocator:{{ docker.image_version }}" }
+    - { name: "provisioner", image: "docker-registry:5000/cord-provisioner:{{ docker.image_version }}" }
+    - { name: "switchq", image: "docker-registry:5000/cord-maas-switchq:{{ docker.image_version }}" }
+    - { name: "automation", image: "docker-registry:5000/cord-maas-automation:{{ docker.image_version }}" }
+    - { name: "generator", image: "docker-registry:5000/config-generator:{{ docker.image_version }}" }
+    - { name: "harvester", image: "docker-registry:5000/cord-dhcp-harvester:{{ docker.image_version }}" }
 
 - name: MAAS Repository
   become: yes
@@ -133,12 +123,6 @@
   command: virsh net-destroy default
   when: virsh_default_network_exists.stdout != '0'
 
-- name: Network Configuration
-  become: yes
-  script: files/generate_network_config.sh {{ interfaces.management }} {{ networks.management }} {{ networks.bridge }} {{ networks.bridge_name }}
-  register: network_config_changed
-  changed_when: network_config_changed.stdout == 'true'
-
 - name: Network Masquerading (NAT)
   become: yes
   template:
@@ -154,26 +138,6 @@
   register: masq_changed
   changed_when: masq_changed.stdout == 'true'
 
-- name: VM Bridge
-  become: yes
-  template:
-    src: templates/create_bridge.j2
-    dest: /etc/network/if-pre-up.d/create_bridge_{{ networks.bridge_name }}
-    owner: root
-    group: root
-    mode: 0755
-
-- name: Activate VM Bridge
-  become: yes
-  command: /etc/network/if-pre-up.d/create_bridge_{{ networks.bridge_name }} report-changed
-  register: bridge_changed
-  changed_when: bridge_changed.stdout == 'true'
-
-- name: Management Interface
-  become: yes
-  shell: ifdown {{ interfaces.management }} && ifup {{ interfaces.management }}
-  when: network_config_changed.stdout == 'true'
-
 - name: Management Interface IP Address
   shell: ifconfig {{ interfaces.management }} 2>&1 | grep "inet addr:" | sed -e 's/.*:\([.0-9]*\)[ ]*Bcast.*/\1/g'
   register: mgmt_ip_address
diff --git a/roles/maas/vars/main.yml b/roles/maas/vars/main.yml
index 062c00c..b2ac1d3 100644
--- a/roles/maas/vars/main.yml
+++ b/roles/maas/vars/main.yml
@@ -28,7 +28,7 @@
     #   'management' specifies the interface on which the head node will
     #                service DHCP and PXE boot requests
     fabric: "{{ fabric_iface | default('fabric') }}"
-    management: "{{ management_iface | default('br-mgmt') }}"
+    management: "{{ management_iface | default('mgmtbr') }}"
     external: "{{ external_iface | default('') }}"
 
 networks:
@@ -42,7 +42,7 @@
     #   'fabric'     specifies the network that will be assigned to
     #                the leaf - spine fabric
     management: "{{ management_network | default('10.6.0.0/24') }}"
-    bridge: "{{ bridge_network | default('172.18.0.0/24') }}"
+    bridge: "{{ bridge_network | default('172.42.0.0/24') }}"
     fabric: "{{ fabric_network | default('10.6.1.0/24') }}"
 
     # CHANGE: