title: The Network Adapter could not establish the connection error but telnet works
body: <p>I am trying to connect to database using the VIP for the DB servers . I can connect to DB using this VIP from my local machine.</p>
  
  <p>From the unix box I cannot connect using this VIP</p>
  
  <p>Here is my JDBC URL</p>
  
  <pre><code>jdbc:oracle:thin:@scan01.usatln6.db.net:1521/CF
  </code></pre>
  
  <p><strong>Error</strong> </p>
  
  <pre><code>IO Error: The Network Adapter could not establish the connection
  </code></pre>
  
  <p>When I replace this VIP with real IP of DB I can connect.</p>
  
  <p>However the telnet to this VIP works fine</p>
  
  <pre><code>$ telnet scan01.usatln6.db.net 1521
    Trying 10.96.36.252...
    Connected to scan01.usatln6.db.net.
    Escape character is '^]'.
    Connection closed by foreign host.
  </code></pre>