How to save spark scala dataframe to elastic search

i am using this df to save into elasticsearch but it showing error
--- ERROR NetworkClient: Node [192.168.0.1:9200] failed (Connection timed out: connect); no other nodes left - aborting... --

df.write.format("org.elasticsearch.spark.sql").option("es.nodes.wan.only","true")
.option("es.port","9200")
.option("es.net.ssl","true")
.option("es.nodes","192.168.0.1")
.mode("append")
.option("es.nodes.client.only", "false")
.save("C:\elasticsearch-6.3.1")

i m running this on windows but not working .

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