Open search clustering b/w on prem and azure

Open Source Elasticsearch and Kibana
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1

I have two on premises nodes and one azure node. I’m trying to create opensearch cluster with these 3 nodes. The two on prem servers were able to become a part of open search cluster but not the azure one. Azure vm is failing with “unable to discover master node”.
Can some throw light on this communication thing b/w different networks for opensearch? Are there any prerequisites thats needs to be in place before going for opensearch across networks?

14.16.25.201 14.16.25.200 are on prem servers
20.219.68.200 is azure server

configuration:
cluster.name: my-application
node.name: node-1
path.data: /var/lib/opensearch
path.logs: /var/log/opensearch
network.host: 0.0.0.0
http.port: 9200
discovery.seed_hosts: [“14.16.25.201”,“14.16.25.200” “20.219.68.200”]
cluster.initial_cluster_manager_nodes: [“node-1”, “node-2”, “node-3”]

2

I think you can provide more information, such as the stacktrace log of the unable to discover master node error, and make sure the two way communication between on-premise and Azure is ok, maybe there is a gateway or firewall which prevents the two way communication.

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