Multiple Internet Load balancing application
Ruby Shell
Latest commit ce31c4e Jul 23, 2016 @pratik14 pratik14 Create
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lib By default sticky session if false Jun 8, 2012
spec Added specs for ISPUnity Mar 23, 2012
Gemfile thor gem added in Gemfile Apr 27, 2012
monitor.rb Monitor and seup filed added Apr 1, 2012


1.Install rvm
  - curl -L | bash -s stable
  - source /etc/profile.d/

Find the requirements;

        rvm requirements

install the additional dependencies as mentioned. 

2. Install ruby
   - rvm install 1.9.3

3. Install
  3.1 Install from gem
    1. gem install ispunity

  3.2 Install from source
    1. cd /opt

    2. Install IspUnity ( make sure you have git installed)
      -  git clone git://

    3. cd /opt/isp_unity

    4. bundle install

4. Using configuration file
   - We have provided with sample configuration file under config folder with the name configuration.json.example that must be copied under /etc folder.
   - cp -v config/configuration.json.example /etc/ispunity.json

5. modify the json file to suit your network. 

6. How to execute
   - As user root execute the following command 
   - ispunity

7. Usage
  ispunity clear_rules  # Clear the rules setup by the routing policy
  ispunity help [TASK]  # Describe available tasks or one specific task
  ispunity license      # Displays the license
  ispunity monitor      # Start monitoring the isp connections.
  ispunity setup        # Setup the application
  ispunity version      # Displays the version of Ispunity

8. Starting with Ispunity
   - Follow the following process after successful installation of ispunity
    i.  ispunity setup       : This will setup your load balancing using the ispunity configuration file.
        Whenever you will change the configuration file, you need to run this command to take effect.
    ii. ispunity monitor     : This will check for the availability of isp connections. If any connection any network connection is down then it will load balance the network traffic on available connections.

Note : We recommend to add cron job for checking the available network connections. Add following into the crontab : 
    */5 * * * * bash -c 'source /etc/profile.d/ && /usr/bin/env ruby /usr/local/rvm/gems/ruby-1.9.3-p125/bin/ispunity monitor'