Setting up networking

Correctly setting up networking is very important for your nodes and cluster.

There are a lot of different installation scenarios and networking issues. The first step for configuring the nodes in order to build a cluster is to correctly set the node discovery.

Getting ready

To change configuration files, you will need a working Elasticsearch installation and a simple text editor, as well as your current networking configuration (your IP address).

How to do it…

To set up the networking, use the following steps:

1. Use a standard Elasticsearch configuration config/elasticsearch.yml file; your node will be configured to bind on the localhost interface (by default) so that it can't be accessed by external machines or nodes.
2. To allow another machine to connect to our node, we need to set network.host to our IP address (for example, I have 192.168.1.164).
3. To be able to discover other nodes, we need to list them in the ...