title: Kubernetes service not accessible from out of network
body: <p>i run kub cluster in my vmware with a master node and 4 workers.
  everything works fine except my service.
  i run nginx RS with 4 instance (one per worker) and create a NodePort service. i can access to my nginx on each worker ip but i want to request to my service IP and my service route the traffic to one of my workers (Ex: RoundRobin).
  but it can't do that.
  my service info:</p>
  
  <pre><code>service/nginx        NodePort    10.99.101.86   &lt;none&gt;        80:30590/TCP   11d
  
  Name:                     nginx
  Namespace:                default
  Labels:                   app=nginx
  Annotations:              &lt;none&gt;
  Selector:                 app=nginx
  Type:                     NodePort
  IP:                       10.99.101.86
  Port:                     80-80  80/TCP
  TargetPort:               80/TCP
  NodePort:                 80-80  30590/TCP
  Endpoints:                10.40.0.16:80,10.40.0.20:80,10.40.0.21:80
  Session Affinity:         None
  External Traffic Policy:  Cluster
  Events:                   &lt;none&gt;
  </code></pre>