Help Center/ GaussDB(for MySQL)/ FAQs/ Database Connections/ What Should I Do If an ECS and a GaussDB(for MySQL) instance Deployed in Different VPCs Cannot Communicate with Each Other?

Updated on 2023-09-15 GMT+08:00

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What Should I Do If an ECS and a GaussDB(for MySQL) instance Deployed in Different VPCs Cannot Communicate with Each Other?

When a GaussDB(for MySQL) instance and an ECS are deployed in different VPCs of the same region, they cannot communicate with each other through a private network. After a GaussDB(for MySQL) instance is created, you cannot change its VPC.

Solution

Create a VPC peer connection. For details, see VPC Peering Connection Overview.
Change the VPC hosting the ECS to the same as that hosting the GaussDB(for MySQL). For details, see Changing a VPC.

Parent topic: Database Connections

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