I retrieved from below when i do: curl {server address}/_nodes/_local.
I can choose any address from unicast, right?
curl https://rd-search.ew1.dev.aws.adobestock.com/_nodes/_local
{"cluster_name":"elasticsearch-stock-aws","nodes":{"wdFkfeoeT7KHwM_I08Bweg":{"name":"aws-elasticsearch-2","transport_address":"inet[ip-192-168-0-208.eu-west-1.compute.internal/192.168.0.208:9300]","host":"ip-192-168-0-208","ip":"192.168.0.208","version":"1.7.5","build":"00f95f4","http_address":"inet[/192.168.0.208:8080]","attributes":{"master":"true"},"settings":{"cluster":{"name":"elasticsearch-stock-aws"},"index":{"search":{"slowlog":{"threshold":{"query":{"warn":"10s","trace":"500ms","debug":"2s","info":"5s"},"fetch":{"warn":"1s","trace":"200ms","debug":"500ms","info":"800ms"}}}},"indexing":{"slowlog":{"threshold":{"index":{"warn":"10s","trace":"500ms","debug":"2s","info":"5s"}}}},"number_of_shards":"32","number_of_replicas":"2","similarity":{"default":{"type":"custom_fotolia"}}},"foreground":"yes","transport":{"tcp":{"compress":"true"}},"pqcode_plugin":{"encoder_blob_path":"config/pq-encoder/stock2.encoder"},"bootstrap":{"mlockall":"true"},"threadpool":{"bulk":{"queue_size":"1000"}},"cloud":{"aws":{"region":"eu-west-1"}},"path":{"conf":"/etc/elasticsearch/elasticsearch.yml","data":"/mnt/","logs":"/mnt/elastic_logs","work":"/mnt/","home":"/usr/share/elasticsearch"},"node":{"data":"true","name":"aws-elasticsearch-2","master":"true"},"plugin":{"mandatory":"cloud-aws"},"discovery":{"type":"ec2","ec2":{"groups":"elasticsearch"},"zen":{"ping":{"multicast":{"enabled":"false"},"unicast":{"hosts":["192.168.0.238","192.168.0.237","192.168.0.194","192.168.0.181"]}}}},"name":"aws-elasticsearch-2","http":{"compression":"true","port":"8080","cors":{"enabled":"true","allow-origin":"*"}},"client":{"type":"node"},"config":{"ignore_system_properties":"true"}},"os":{"refresh_interval_in_millis":1000,"available_processors":8,"cpu":{"vendor":"Intel","model":"Xeon","mhz":2400,"total_cores":8,"total_sockets":1,"cores_per_socket":8,"cache_size_in_bytes":30720},"mem":{"total_in_bytes":33738887168},"swap":{"total_in_bytes":0}},"process":{"refresh_interval_in_millis":1000,"id":1331,"max_file_descriptors":64000,"mlockall":true},"jam"...