# Slave node failed to connect with master (ELasticsearch Clustering)

**URL:** <https://discuss.elastic.co/t/slave-node-failed-to-connect-with-master-elasticsearch-clustering/149817>\
**Category:** Elasticsearch\
**Created:** [September 25, 2018, 12:19pm UTC](https://discuss.elastic.co/t/slave-node-failed-to-connect-with-master-elasticsearch-clustering/149817 "2018-09-25T12:19:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![CheshtaS](https://avatars.discourse-cdn.com/v4/letter/c/db5fbb/32.png) [@CheshtaS](https://discuss.elastic.co/u/CheshtaS)\
**Post date:** [September 25, 2018, 12:19pm UTC](https://discuss.elastic.co/t/slave-node-failed-to-connect-with-master-elasticsearch-clustering/149817/1 "2018-09-25T12:19:00Z")

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Master Node

cluster.name: development  
node.name: master  
node.master: true  
node.data: false  
path.data: /usr/local/data/elasticsearch  
path.logs: /usr/local/logs/elasticsearch  
network.host: 0.0.0.0  
discovery.zen.ping.multicast.enabled: false  
discovery.zen.ping.unicast.hosts: ["master\_ip:9300","client\_ip:9300","slave\_ip:9300"]  
discovery.zen.minimum\_master\_nodes: 1

Client Node  
cluster.name: development  
node.name: client  
node.master: false  
node.data: false  
path.data: /usr/local/data/elasticsearch  
path.logs: /usr/local/logs/elasticsearch  
network.host: 0.0.0.0  
discovery.zen.ping.multicast.enabled: false  
discovery.zen.ping.unicast.hosts: ["master\_ip:9300","client\_ip:9300","slave\_ip:9300"]  
discovery.zen.minimum\_master\_nodes: 1

Slave Node  
cluster.name: development  
node.name: slave  
node.master: false  
node.data: true  
path.data: /usr/local/data/elasticsearch  
path.logs: /usr/local/logs/elasticsearch  
network.host: 0.0.0.0  
discovery.zen.ping.multicast.enabled: false  
discovery.zen.ping.unicast.hosts: ["master\_ip:9300","client\_ip:9300","slave\_ip:9300"]  
discovery.zen.minimum\_master\_nodes: 1

Gettting below error

[discovery.zen] [slave] failed to connect to master  
$ConnectTransportException[[newmaster][172.31.37.225:9300] connect\_timeout[30s]]; nested: ConnectT$  
at org.elasticsearch.transport.netty.NettyTransport.connectToChannels(NettyTransport.java$  
at org.elasticsearch.transport.netty.NettyTransport.connectToNode(NettyTransport.java:920)  
at org.elasticsearch.transport.netty.NettyTransport.connectToNode(NettyTransport.java:893)  
at org.elasticsearch.transport.TransportService.connectToNode(TransportService.java:260)

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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:** [October 23, 2018, 12:33pm UTC](https://discuss.elastic.co/t/slave-node-failed-to-connect-with-master-elasticsearch-clustering/149817/2 "2018-10-23T12:33:08Z")

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