diff --git a/Vagrantfile b/Vagrantfile
index 8c61db6..007e7e5 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -25,8 +25,25 @@
     d.vm.box = "ubuntu/trusty64"
     d.vm.hostname = "prod"
     d.vm.network "private_network", ip: "10.100.198.201"
+    d.vm.network "private_network", ip: "10.6.0.1", virtualbox__intnet: "cord-test-network"
     d.vm.provider "virtualbox" do |v|
-      v.memory = 1024
+      v.memory = 2048
+    end
+  end
+
+  config.vm.define "computenode" do |c|
+    c.vm.box = "clink15/pxe"
+    c.vm.synced_folder '.', '/vagrant', disable: true
+    c.vm.communicator = "none"
+    c.vm.hostname = "computenode"
+    c.vm.network "private_network",
+    adapter: "1",
+    type: "dhcp",
+    auto_config: false,
+    virtualbox__intnet: "cord-test-network"
+    c.vm.provider "virtualbox" do |v|
+      v.memory = 1048
+      v.gui = "true"
     end
   end
 
diff --git a/ansible/roles/common/tasks/main.yml b/ansible/roles/common/tasks/main.yml
index 72441b6..b66f3e4 100644
--- a/ansible/roles/common/tasks/main.yml
+++ b/ansible/roles/common/tasks/main.yml
@@ -25,3 +25,16 @@
   ignore_errors: yes
   with_items: obsolete_services
   tags: [common]
+
+- name: Ensure known_hosts file is absent
+  file:
+    path: /home/vagrant/.ssh/known_hosts
+    state: absent
+
+- name: Disable Known Host Checking
+  copy:
+    src: files/ssh_config
+    dest: /home/vagrant/.ssh/config
+    owner: vagrant
+    group: vagrant
+    mode: 0600