# Cluster can't detect additional node

**URL:** <https://discuss.elastic.co/t/cluster-cant-detect-additional-node/155035>\
**Category:** Elasticsearch\
**Created:** [November 1, 2018, 2:47pm UTC](https://discuss.elastic.co/t/cluster-cant-detect-additional-node/155035 "2018-11-01T14:47:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![juiip](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@juiip](https://discuss.elastic.co/u/juiip)\
**Post date:** [November 1, 2018, 2:47pm UTC](https://discuss.elastic.co/t/cluster-cant-detect-additional-node/155035/1 "2018-11-01T14:47:27Z")

</div>

I have an ES cluster (v 5.6.12) up and running in dev mode, config below:

**Node 1: [node1address.com](http://node1address.com)**

```
cluster.name: elastic-test
node.name: "node-1"
path.data: /path/to/data
path.logs: /path/to/logs
network.host: 127.0.0.1
http.host: 0.0.0.0
discovery.zen.ping.unicast.hosts: ["node1address.com", "node2address.com"]
node.master: true

```

I am trying to connect node 2:

**Node 2: [node2address.com](http://node2address.com)**

```
cluster.name: elastic-test
node.name: "node-2"
path.data: /path/to/data
path.logs: /path/to/logs
network.host: 127.0.0.1
http.host: 0.0.0.0
discovery.zen.ping.unicast.hosts: ["node1address.com", "node2address.com"]
node.master: true

```

What am I doing wrong here - assuming it's something to do with the network settings?  
I tried to change the network.host to their respective addresses, but this takes them out of dev mode?

---

<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [November 1, 2018, 5:40pm UTC](https://discuss.elastic.co/t/cluster-cant-detect-additional-node/155035/2 "2018-11-01T17:40:27Z")

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If you want to form a cluster then set network.host

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [November 29, 2018, 5:40pm UTC](https://discuss.elastic.co/t/cluster-cant-detect-additional-node/155035/3 "2018-11-29T17:40:35Z")

</div>

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