Zen-disco-node-failed ( Node disconnects often from cluster )

Elastic Stack Elasticsearch
1

Hi, often we are encountering node disconnect issue in our Elasticsearch cluster. What could be the possible change that I can make in the config/environment ?

[2017-02-01T06:25:21,149][INFO ][o.e.c.r.a.AllocationService] [es-gw102] Cluster health status changed from [GREEN] to [YELLOW] (reason: [{es-data103}{jeSrPeftTliOTFSS9g9LA}{yrNfsq3S_GTUkRnLFcMmQ} transport disconnected]).

[2017-02-01T06:25:21,156][INFO ][o.e.c.s.ClusterService ] [es-gw102] removed {{es-data103}{jeSrPeftTliOTFSS9eg9LA}{yrMfsq3S_GTUkRnLFcMmQ},}, reason: zen-disco-node-failed({es-data103}{jeSrPeftTliOTFSS9eg9LA}{yrMfsq3S_GTUkRnLFcMmQ}), reason(transport disconnected)[{es-data103}{jeSrPeftTliOTFSS9eg9LA}{yrMfsq3S_GTUkRnLFcMmQ} transport disconnected]

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