Configuring a VPC for ECSs That Access the Internet Using EIPs
- Log in to the management console.
- Click
in the upper left corner and choose Network > Virtual Private Cloud.
The Virtual Private Cloud page is displayed.
- Click Create VPC.
The Create VPC page is displayed.
- On the Create VPC page, set parameters as prompted.
A default subnet will be created together with a VPC and you can also click Add Subnet to create more subnets for the VPC.
Table 1 VPC parameter descriptions Parameter
Description
Example Value
Region
Select the region nearest to you to ensure the lowest latency possible.
-
Name
The VPC name.
The name can contain a maximum of 64 characters, which may consist of letters, digits, underscores (_), hyphens (-), and periods (.). The name cannot contain spaces.
VPC-test
IPv4 CIDR Block
The CIDR block of the VPC. The CIDR block of a subnet can be the same as the CIDR block for the VPC (for a single subnet in the VPC) or a subset of the CIDR block for the VPC (for multiple subnets in the VPC).
The following CIDR blocks are supported:
- 10.0.0.0/8-24
- 172.16.0.0/12-24
- 192.168.0.0/16-24
192.168.0.0/16
Advanced Settings
Click the drop-down arrow to set advanced VPC parameters, including tags.
Retain the default settings.
Tag
The VPC tag, which consists of a key and value pair. You can add a maximum of 10 tags to each VPC.
- Key: vpc_key1
- Value: vpc-01
Table 2 Subnet parameter descriptions Parameter
Description
Example Value
Name
The subnet name.
The name can contain a maximum of 64 characters, which may consist of letters, digits, underscores (_), hyphens (-), and periods (.). The name cannot contain spaces.
subnet-01
IPv4 CIDR Block
The CIDR block for the subnet. This value must be within the VPC CIDR block.
192.168.0.0/24
IPv6 CIDR Block
Specifies whether to set IPv6 CIDR Block to Enable.
After the IPv6 function is enabled, the system automatically assigns an IPv6 CIDR block to the created subnet. Currently, the IPv6 CIDR block cannot be customized. IPv6 cannot be disabled after the subnet is created.
-
Associated Route Table
The default route table to which the subnet will be associated. You can change the route table to a custom route table on the Subnets page.
Default
Advanced Settings
Click the drop-down arrow to set advanced settings for the subnet, including Gateway and DNS Server Address.
Retain the default settings.
Gateway
The gateway address of the subnet.
This IP address is used to communicate with other subnets.
192.168.0.1
DNS Server Address
A maximum of two DNS server IP addresses can be configured. Multiple IP addresses must be separated using commas (,).
100.125.x.x
Tag
The subnet tag, which consists of a key and value pair. You can add a maximum of 10 tags to each subnet.
- Key: subnet_key1
- Value: subnet-01
Table 3 VPC tag key and value requirements Parameter
Requirements
Example Value
Key
- Cannot be left blank.
- Must be unique for each VPC and can be the same for different VPCs.
- Can contain a maximum of 36 characters.
- Can contain letters, digits, underscores (_), and hyphens (-).
vpc_key1
Value
- Can contain a maximum of 43 characters.
- Can contain letters, digits, underscores (_), periods (.), and hyphens (-).
vpc-01
Table 4 Subnet tag key and value requirements Parameter
Requirements
Example Value
Key
- Cannot be left blank.
- Must be unique for each subnet.
- Can contain a maximum of 36 characters.
- Can contain letters, digits, underscores (_), and hyphens (-).
subnet_key1
Value
- Can contain a maximum of 43 characters.
subnet-01
- Confirm the current configuration and click Create Now.
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