Help Center/ Bare Metal Server/ FAQs/ Network and Security FAQ/ How Do BMSs in Different AZs of the Same Region Communicate with Each Other?
Updated on 2026-10-27 GMT+08:00
How Do BMSs in Different AZs of the Same Region Communicate with Each Other?
If they are in the same VPC, they communicate with each other through a private network. If they are on the same subnet of a VPC, they communicate with each other through the layer-2 network. If they are on different subnets of a VPC, they communicate with each other through the layer-3 network. An EIP must be bound to the primary NIC of each BMS so that they can communicate with each other.
Parent topic: Network and Security FAQ
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