GLPPRT026E The -a, -c, -p, or -s option is required to specify a port to configure.


      Explanation 
      The -a, -c, -p, or -s option was not specified and it is required.
       

      User response 
      Specify the -a, -c, -p, or -s option.  Use the -? option to
      see the syntax for the command.