Help Center> Elastic IP > Best Practices> Changing an EIP for an ECS> Resource Planning
Updated on 2024-05-10 GMT+08:00
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Resource Planning

You need to plan resources before you change an EIP for an ECS. This example describes the resource planning details.

The VPC, EIPs, and ECS must be in the same region.

The following resource planning details are only examples for your reference. You can modify them as required.

  • One VPC. Table 1 shows details about the required VPC.
    Table 1 VPC details

    VPC Name

    VPC CIDR Block

    Subnet Name

    Subnet CIDR Block

    Route Table

    VPC

    192.168.0.0/16

    Subnet

    192.168.1.0/24

    Default route table
  • One ECS. Table 2 shows details about the required ECS.
    Table 2 ECS details

    ECS Name

    Image

    VPC Name

    Subnet Name

    Security Group

    Private IP Address

    ECS-A

    Public image:

    EulerOS 2.5 64bit

    VPC

    Subnet

    sg-demo:

    General-purpose web server

    192.168.1.99
  • Two EIPs. Table 3 shows details about the required EIPs.
    Table 3 EIP details

    EIP Name

    EIP Type

    Bandwidth

    Required Duration: 1 Month

    EIP

    EIP-A

    Dynamic BGP

    1 Mbit/s

    Subnet-A

    122.xx.xx.189

    EIP-B

    Dynamic BGP

    5 Mbit/s

    Subnet-A

    122.xx.xx.166