title: Host can't ping VM Guest
body: <p>I'm unable to ping my guest VM from my host.</p>
  
  <ul>
  <li>Host: Win7</li>
  <li>VirtualBox 5.2.6</li>
  <li>Guest:  CentOS 7</li>
  </ul>
  
  <p>On VB I have my guest CentOS 7 network configured with 2 adapters.</p>
  
  <ul>
  <li>Adapter 1 Attached to NAT</li>
  <li>Adapter 2 Attached to Host-only Adapter (VirtualBox Host-Only Ethernet Adapter)</li>
  </ul>
  
  <p><a href="https://i.stack.imgur.com/GiknM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GiknM.png" alt="enter image description here"></a></p>
  
  <p>On CentOS 7</p>
  
  <pre><code>1: lo: &lt;LOOPBACK,UP,LOWER_UP&gt; mtu 65536 qdisc noqueue state UNKNOWN qlen 1
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      inet 127.0.0.1/8 scope host lo
         valid_lft forever preferred_lft forever
      inet6 ::1/128 scope host 
         valid_lft forever preferred_lft forever
  2: enp0s3: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP qlen 1000
      link/ether 08:00:27:e3:8c:8f brd ff:ff:ff:ff:ff:ff
      inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic enp0s3
         valid_lft 84885sec preferred_lft 84885sec
      inet6 fe80::db4c:7b23:6a34:d832/64 scope link 
         valid_lft forever preferred_lft forever
  3: enp0s8: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP qlen 1000
      link/ether 08:00:27:0b:4f:5d brd ff:ff:ff:ff:ff:ff
  4: virbr0: &lt;NO-CARRIER,BROADCAST,MULTICAST,UP&gt; mtu 1500 qdisc noqueue state DOWN qlen 1000
      link/ether 52:54:00:99:20:1b brd ff:ff:ff:ff:ff:ff
      inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
         valid_lft forever preferred_lft forever
  5: virbr0-nic: &lt;BROADCAST,MULTICAST&gt; mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 1000
      link/ether 52:54:00:99:20:1b brd ff:ff:ff:ff:ff:ff
  </code></pre>
  
  <p>I think the virbr0 192.168.122.1 is weird.  I would have expected 192.168.56.XXX. </p>
  
  <p>ifcfg-enp0s3</p>
  
  <pre><code>TYPE=Ethernet
  PROXY_METHOD=none
  BROWSER_ONLY=no
  BOOTPROTO=dhcp
  DEFROUTE=yes
  IPV4_FAILURE_FATAL=no
  IPV6INIT=yes
  IPV6_AUTOCONF=yes
  IPV6_DEFROUTE=yes
  IPV6_FAILURE_FATAL=no
  IPV6_ADDR_GEN_MODE=stable-privacy
  NAME=enp0s3
  UUID=d36ec069-6fa5-429f-a89b-debf35c2346e
  DEVICE=enp0s3
  ONBOOT=yes
  </code></pre>
  
  <p>On my host Win 7 I ping 192.168.122.1 and get a connection timeout.  Does anyone know what I'm missing?</p>