Can Subnets Communicate with Each Other?

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Subnets belong to VPCs. Subnets in the same VPC can communicate with each other. Subnets in different VPCs cannot communicate with each other by default. However, you can create VPC peering connections to enable subnets in different VPCs to communicate with each other.



Other related questions:
Can VSs directly communicate with each other
Each VS can be considered an independent device. VSs cannot directly communicate even if they reside on the same physical device. VSs can directly communicate only when they are connected using physical ports, similar to the direct communication between physical devices.

Can BMSs of Different Accounts Communicate with Each Other over an Intranet?

No. BMSs of different accounts (tenants) cannot communicate with each other over an intranet.


Can 40G-SR and 40G-iSR optical modules communicate with each other?
40G-SR and 40G-iSR optical modules provide similar features and can communicate with each other. They differ in the maximum transmit power. A 40G-iSR optical module has lower maximum transmit power than a 40G-SR optical module. Compared to 40G-SR optical modules, 40G-iSR optical modules are more suitable for connecting to four 10GE-SR optical modules when 40GE ports are split into 10GE ports.

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