title: Can't ping to virtualbox instance
body: <p>I'm trying to set up the vagrant lucid32 box</p>
  
  <p>The instance network setting is NAT</p>
  
  <p>the virtual box instance can ping to the Mac, but can't vice versa </p>
  
  <p>here is my Mac config</p>
  
  <pre><code>lo0: flags=8049&lt;UP,LOOPBACK,RUNNING,MULTICAST&gt; mtu 16384
      options=3&lt;RXCSUM,TXCSUM&gt;
      inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1 
      inet 127.0.0.1 netmask 0xff000000 
      inet6 ::1 prefixlen 128 
  gif0: flags=8010&lt;POINTOPOINT,MULTICAST&gt; mtu 1280
  stf0: flags=0&lt;&gt; mtu 1280
  en0: flags=8863&lt;UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST&gt; mtu 1500
      ether 10:9a:dd:a9:43:44 
      inet6 fe80::129a:ddff:fea9:4344%en0 prefixlen 64 scopeid 0x4 
      inet 10.32.24.78 netmask 0xffff0000 broadcast 10.32.255.255
      media: autoselect
      status: active
  p2p0: flags=8843&lt;UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST&gt; mtu 2304
      ether 02:9a:dd:a9:43:44 
      media: autoselect
      status: inactive
  utun0: flags=8051&lt;UP,POINTOPOINT,RUNNING,MULTICAST&gt; mtu 1380
      inet6 fe80::69ca:da35:534a:9504%utun0 prefixlen 64 scopeid 0x6 
      inet6 fd78:f3ab:2fb2:b8b8:69ca:da35:534a:9504 prefixlen 64 
  </code></pre>
  
  <p>And here is the virtual box network config:</p>
  
  <p><img src="https://i.stack.imgur.com/d8MNi.png" alt="enter image description here"></p>