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ドキュメントVirtual Private CloudOperation GuideVirtual Private Cloud (VPC)Limits

Limits

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最終更新日: 2024-10-22 15:37:03

Use limits

The IP ranges of the VPC and subnet cannot be modified after creation.
For each subnet, Tencent Cloud reserves its first two IPs and the last one for IP networking. For example, if the subnet CIDR block is 172.16.0.0/24, then 172.16.0.0, 172.16.0.1, and 172.16.0.255 are reserved by Tencent Cloud.
When you add a CVM to a VPC, the instance will be randomly assigned with a private IP from a specified subnet. You can reassign a private IP to it after the instance is created.
In a VPC, a CVM private IP corresponds to one public IP address.
Classic network-based CVMs cannot interconnect with cloud resources in the secondary CIDR block.
A peering connection does not support secondary CIDR blocks.
Cloud Connect Network, VPN gateway, and standard direct connect gateway support secondary CIDR blocks.

Quota limits

Resource
Limits
Number of VPC instances per region per account
20
Number of subnets per VPC
100
Number of secondary CIDR blocks per VPC
5
Note:
If you want to increase the quota, please submit a ticket to apply.
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