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Subnet

Create Subnet

You can create and use the VPC Subnet service in the Samsung Cloud Platform Console.

To create a Subnet, follow these steps.

  1. All Services > Networking > VPC Click the menu. Go to the VPC’s Service Home page.

  2. On the Service Home page, click the Create Subnet button. You will be taken to the Create Subnet page.

    • In the Service Information Input area, enter or select the required information.
      Category
      Required
      Detailed description
      Subnet typeRequiredSelect Subnet type
      • General: Can configure as Public or Private
      • Local: Can be assigned by selecting either Virtual Server or Bare Metal Server
        • A Local Subnet is a Subnet for communication only between servers and cannot communicate with the outside
      • VPC Endpoint: VPC Endpoint can be configured
      VPC nameRequiredSelect the VPC to which the subnet will be attached from the list of existing VPCs
      • Click + Create New to create a VPC and then select it
      VPC IP rangeSelectAutomatically input the CIDR range of the selected VPC
      Subnet nameRequiredSubnet name to create
      • Enter using English letters and numbers, within 3 to 20 characters
      IP rangeRequiredIP range to use
      • in IP range format /16 ~ /28 Enter within the range
        • Example: 192.168.0.0/24
      • IP ranges cannot overlap with IP ranges (other subnets) already in use within the VPC
      Gateway IPRequiredDisplay the Gateway IP address of the Subnet
      • The first IP of the entered IP range is automatically filled in
      • Cannot be modified after service creation
      Table. Subnet service information input fields
    • In the Additional Information Input area, enter or select the required information.
      Category
      Required status
      Detailed description
      descriptionSelectionEnter description for Subnet
      IP allocation rangeSelectionYou can set the range within the IP range to be used
      • Select either the entire IP range or an individual specification
      • Subnet sub-resources receive IP assignments from the entered entire IP range or from the individually specified range set by the user
        • When selecting individual specification, enter the starting IP address and the ending IP address
      DNS Name ServerSelectionAfter selecting Use, enter DNS Name Server IP.
      Host pathSelectUse after selection, enter the host path
      • Enter the destination IP range and Next Hop IP address
      • Destination IP ranges must not overlap each other
      tagSelectionAdd Tag
      • Up to 50 can be added per resource
      • After clicking the Add Tag button, enter or select Key, Value values
      Table. Subnet additional information input fields
  3. Summary Check the detailed information and estimated billing amount generated in the panel, and click the Create button.

    • After creation is complete, check the created resources on the Subnet List page.

Check Subnet detailed information

The Subnet service allows you to view and edit the full resource list and detailed information. Subnet Details page consists of Details, Virtual IP Management, Tags, Activity Log tabs.

To view detailed Subnet information, follow these steps.

  1. Click the All Services > Networking > VPC menu. Navigate to the VPC’s Service Home page.
  2. Click the Subnet button on the Service Home page. You will be taken to the Subnet List page.
  3. On the Subnet List page, click the resource for which you want to view detailed information. You will be taken to the Subnet Details page.
    • Subnet Details page displays status information and additional feature information, and consists of Details, Virtual IP Management, Tags, Operation History tabs.
      CategoryDetailed description
      statusSubnet status
      • Creating: Creation in progress
      • Active: Operating normally
      • Editing: Modification in progress
      • Deleting: Deletion in progress
      • Failed: State where creation failed
      • Error: Current status unknown
        • If it occurs continuously, contact the registered administrator
      Delete SubnetSubnet Delete Button
      Table. Subnet status information and additional features

Detailed Information

On the Subnet List page, you can view the operation history of the selected resource.

CategoryDetailed description
ServiceService name
Resource TypeResource Type
SRNUnique resource ID in Samsung Cloud Platform
  • In Subnet, it refers to the Subnet SRN
Resource NameSubnet resource name
Resource IDUnique resource ID in the service
constructorUser who created the Subnet
Creation dateSubnet creation time
EditorUser who modified the Subnet information
Modification date and timeSubnet information modification timestamp
Subnet typeSubnet type
VPC nameThe VPC to which the subnet belongs
Subnet nameSubnet name
Subnet IDSubnet unique ID
IP rangeUsed IP range
Gateway IPGateway IP address of the Subnet
DHCP IPthe second IP address among the used IP ranges
  • Edit click the icon to edit
descriptionSubnet additional description
  • Edit Click the icon to edit
IP allocation rangeIP allocation range
DNS Name ServerUse DNS Name Server
Host pathHost route (destination IP range, Next Hop IP address) information
Table. Subnet detailed information tab items

Virtual IP Management

Subnet List page lets you view the virtual IP information of the selected resource, and you can reserve or delete it.

CategoryDetailed description
Virtual IP reservationVirtual IP usage reservation
Virtual IPVirtual IP information
  • Click the IP to go to the Virtual IP detail page
Public Nat IPPublic NAT IP information
Number of connected portsNumber of ports connected to the IP
Reservation date and timeVirtual IP reservation date and time
ReturnVirtual IP Return button
  • Select multiple items and click the Return button at the top of the list to return them in bulk
Table. Subnet Virtual IP Management Tab Items
Caution
  • If a Port or NAT IP is attached to a Virtual IP, it cannot be returned. Delete the attached resources first.
  • You can return the Virtual IP only when the Subnet status is Active or Error.

tag

On the Subnet List page, you can view the tag information of the selected resource, and add, modify, or delete it.

CategoryDetailed description
Tag listTag list
  • You can view the Key, Value information of tags
  • Up to 50 tags can be added per resource
  • When entering tags, you can search and select from the existing list of created Keys and Values
Table. Subnet tag tab items

Job History

On the Sunnet List page, you can view the operation history of the selected resource.

CategoryDetailed description
Task History ListResource Change History
  • Check operation date/time, resource name, operation details, operation result, and operator information
Table. Subnet operation history tab detailed information items

Managing Virtual IP

You can reserve or manage Virtual IPs for use in a Subnet.

Reserve Virtual IP

You can reserve a Virtual IP for use in the Subnet.

To reserve a Virtual IP, follow these steps.

  1. Click the All Services > Networking > VPC menu. Navigate to the VPC’s Service Home page.
  2. Click the Subnet button on the Service Home page. You will be taken to the Subnet List page.
  3. On the Subnet list page, click the resource to reserve a Virtual IP. You will be taken to the Subnet details page.
  4. On the Subnet Details page, click the Virtual IP Management tab. You will be taken to the Virtual IP Management tab page.
  5. On the Virtual IP Management tab page, click the Virtual IP Reservation button. The Virtual IP reservation window opens.
  6. In the Virtual IP Reservation window, set the detailed items and click OK.
    • Virtual IP: If you select Auto-Generated, an automatically generated IP will be reserved, and if you select Input, you can reserve an IP that you manually entered.
    • Description: Enter additional description for Virtual IP.
  7. When the reservation confirmation window appears, click Confirm.

Check Virtual IP detailed information

You can view detailed information about the Virtual IP.

To view detailed information about the Virtual IP, follow these steps.

  1. Click the All Services > Networking > VPC menu. Navigate to the VPC’s Service Home page.
  2. On the Service Home page, click the Subnet button. You will be taken to the Subnet List page.
  3. Subnet list page, click the resource to reserve a Virtual IP. Subnet details page will be displayed.
  4. On the Subnet Details page, click the Virtual IP Management tab. You will be taken to the Virtual IP Management tab page.
  5. Click the resource to view on the Virtual IP Management tab page. You will be taken to the Virtual IP Details page.
    • *Virtual IP Details The page displays the connected ports and detailed information.
      CategoryDetailed description
      Virtual IPVirtual IP address
      Public NAT IPPublic NAT IP address and status
      • Edit icon can be clicked to edit
      • Enable after setting, you can select an existing IP or create one to add
        • Public NAT IP cannot be modified after configuration; changes require reconfiguration
      Connection PortPort information connected to the Virtual IP
      • Add button to click to add a connected port, you can add by connecting an existing port or creating a new one
      • Delete button to click to remove the connected port
      ExplanationVirtual IP description
      • Click the Edit icon to modify
      constructorUser who reserved a Virtual IP
      Creation dateVirtual IP reservation date and time
      EditorUser who modified the Virtual IP information
      Modification dateDate and time the Virtual IP information was modified
      Table. Virtual IP detailed information items

Terminate Subnet

You can delete an unused Subnet.

Caution
  • You cannot cancel the service if there are connected resources. Delete the connected resources first.
  • You can delete a service only when its status is Active or Error.
  • Because data cannot be recovered after a service is deleted, be sure to fully consider the impact before proceeding with a Subnet deletion.

To delete a Subnet, follow these steps.

  1. Click the All Services > Networking > VPC menu. Navigate to the VPC’s Service Home page.
  2. On the Service Home page, click the Subnet menu. You will be taken to the Subnet List page.
  3. On the Subnet List page, click the resource to delete. Navigate to the Subnet Details page.
  4. On the Subnet Details page, click the Delete button.
  5. After deletion is complete, check the Subnet list to confirm that the resource has been removed.

Preliminary Service

This is a list of services that must be pre-configured before creating the service. Please refer to the guide provided for each service for details and prepare in advance.

Service CategoryServiceDetailed description
NetworkingVPCA service that provides an isolated virtual network in a cloud environment
Table. Subnet pre-service
How-to guides
Port