You may configure the control node by using the script (12_4_open_contrail_control_node.sh):

#!/bin/bash 
############################################################################## 
# Python Network Programming Cookbook, Second Edition -- Chapter - 12 
# Adopted from https://github.com/Juniper/contrail-controller/wiki/Install-and-Configure-OpenContrail-1.06 
############################################################################## 
 
# Configue the Ubuntu repositories. 
echo "deb http://ppa.launchpad.net/opencontrail/ppa/ubuntu precise main" | sudo tee -a /etc/apt/sources.list.d/opencontrail.list 
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 16BD83506839FE77 
sudo apt-get update 
 
# Install Contrail Control 
sudo apt-get install contrail-control 

You may execute the script to configure a node as the control node as shown here:

$ sh 12_4_open_contrail_control_node.sh

Update /etc/contrail/control-node.conf:

[DISCOVERY] 
port=5998 
server=127.0.0.1 # discovery_server IP address 
 
[IFMAP] 
password=control 
user=control 

Restart control:

$ sudo service contrail-control restart