Reg: node unicast discovery + Azure VMSS

Elastic Stack Elasticsearch
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Trying to understand how unicast discovery will behave when using Azure VMSS.

Scenario
Master Nodes in Azure VMSS (Say 3 nodes)

Azure VMSS is attached to Load Balancer with a Front End.

Query

Against the setting "discovery.zen.ping.unicast.hosts", I wanted to use the Frontend IP.

  1. What would happen if Azure LB forwards the ping to same node (when pinged from a given master node)? LB would work in round robin fashion. Thought of not using IPs of all the nodes (or) use static IPs, instead use the LB front-end.

  2. Does it have any impact in master election process?

Thanks for clarification.

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