Help Center/Virtual Private Cloud/User Guide/VPC and Subnet/Subnet/Managing Subnet Tags
Updated on 2026-03-23 GMT+08:00
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Managing Subnet Tags

Scenarios

Tags help you identify, classify, and search for subnets. You can perform the following operations to manage the tags of a subnet:
  • Add a tag to a subnet.
  • Modify a subnet tag.
  • Delete a subnet tag.
For details about subnet tag requirements, see Table 1.
Table 1 Subnet tag key and value requirements

Parameter

Requirements

Example Value

Key

  • For each resource, each tag key must be unique, and each tag key can only have one tag value.
  • Cannot be left blank.
  • Can contain a maximum of 128 characters.
  • Cannot start or end with a space.

subnet_key1

Value

  • Can be left blank.
  • Can contain a maximum of 255 characters.
  • Cannot start or end with a space.

subnet-01

Notes and Constraints

Each cloud resource can have a maximum of 20 tags.

Editing Tags of a Single Resource

  1. Go to the subnet list page.
  2. In the subnet list, locate the target subnet and click its name.

    The subnet details page is displayed.

  3. On the Tags tab, click Edit Tag in the upper left corner above the tag list.

    The Edit Tag dialog box is displayed.

  4. Perform the following operations on the tags as required:
    • Adding a tag: Click , enter a tag key and value, and click OK.
    • Modifying a tag: Click next to the target tag key or value to delete the original value, enter a new value, and click OK.
    • Deleting a tag: Click Delete next to the target tag and click OK.
Parent Topic: Subnet