# How to add a node to a cluster?

**URL:** <https://discuss.elastic.co/t/how-to-add-a-node-to-a-cluster/7856>\
**Category:** Elasticsearch\
**Created:** [May 25, 2012, 3:21am UTC](https://discuss.elastic.co/t/how-to-add-a-node-to-a-cluster/7856 "2012-05-25T03:21:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![zhouxiang](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/zhouxiang/32/2775_2.png) [@zhouxiang](https://discuss.elastic.co/u/zhouxiang)\
**Post date:** [May 25, 2012, 3:21am UTC](https://discuss.elastic.co/t/how-to-add-a-node-to-a-cluster/7856/1 "2012-05-25T03:21:25Z")

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i have a cluster configed as discovery.zen.ping.unicast.hosts:["127.0.0.1:9200"]

i want to add a node 192.168.2.11

i try to use \_cluster/settings api to update discovery.zen.ping.unicast.hosts.

but it did not work.

any suggestion?

thanks all.

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<div class="post-metadata">

**Author:** ![zhouxiang](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/zhouxiang/32/2775_2.png) [@zhouxiang](https://discuss.elastic.co/u/zhouxiang)\
**Post date:** [May 25, 2012, 7:12am UTC](https://discuss.elastic.co/t/how-to-add-a-node-to-a-cluster/7856/2 "2012-05-25T07:12:19Z")

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i change to use multicast.

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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:** [July 6, 2017, 3:27am UTC](https://discuss.elastic.co/t/how-to-add-a-node-to-a-cluster/7856/3 "2017-07-06T03:27:09Z")

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