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    Setting Up Clustering

    Warning: Unlike a traditional cluster, a WebApp Secure cluster does not automatically balance traffic between each of the nodes. For this reason, a load balancer is required to be configured to send traffic to each traffic processing node.

    Setting up a cluster is as easy as configuring multiple stand-alone boxes. The first step is to set up the master. You must set up the master first because you will need to supply the master's IP when initializing the traffic nodes.

    To initialize a master, choose Master or Dedicated Master from the TUI setup menu (sudo setup).

    Figure 1: TUI, Initialize Appliance

    TUI, Initialize Appliance

    Figure 2: TUI, Select System Mode

    TUI, Select System Mode

    Figure 3: TUI, Initialization Complete

    TUI, Initialization Complete

    Setup will initialize the master, and once the initialization is complete, you should be able to navigate to the management interface at https://HOSTNAME:5000. Once the master is initialized, you can initialize the other appliances as traffic processing nodes. The steps are similar to the master setup, however you will be prompted to enter the IP of the master node.

    Figure 4: TUI Select Traffic Processor

    TUI Select Traffic Processor

    Figure 5: TUI, Master Node IP Address

    TUI, Master Node IP Address

    Once the traffic node is initialized, you can verify the cluster by navigating to the management interface (https://HOSTNAME:5000) and clicking on System Stats. There should be a separate tab for each node in the cluster, and an additional tab for the aggregate cluster data.

    Warning: Remember that you must use an external load balancing solution to point to each traffic processing node, as the cluster will not do this for you.

    Published: 2013-11-20