Integrated Load Balancer in Solaris 11

I'm not sure how well known it is that Solaris 11 contains a load balancer. The official documentation, starting with the Integrated Load Balancer Overview, does a great job of explaining this feature. In this blog entry my goal is to provide an implementation example.

For starters, I will be using the HALF-NAT operation mode. Basically, HALF-NAT means that the client's IP address is not mapped so that the servers know the real client address. This is usually preferred for server logging (see ILB Operation Modes for more).

I will load balance traffic across 2 zones, each running the Apache Tomcat server. The load balancer itself will be configured as a multi-homed zone. The configuration will look as follows:

Step 1: Create the VNICs

Step 2: Create the Zones:

Step 3: Install the ILB Zone

Step 4: Install the Serve 1 Zone

Step 6: Install Tomcat

Step 7: Configure Routing to the Server Zone

Step 8: Cloning the Tomcat Server Zone

Step 9: Configure Load Balancing

Step 10: Load Balance!

Step 11: Health Checks

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