Subnet

Create Subnet

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

To create a Subnet, follow these steps:

1. Click All Services > Networking > VPC menu. You will be redirected to the VPC Service Home page.

2. Click the Create Subnet button on the Service Home page. You will be redirected to the Create Subnet page.

   • Enter or select the required information in the Service Information section.

     Category	Required	Description
     Subnet Type	Required	Select subnet type General: Can configure Public and Private Local: Can specify by selecting between Virtual Server and Bare Metal Server Local Subnet is a subnet for server-to-server communication only and cannot communicate externally VPC Endpoint: Can configure VPC Endpoint
     VPC Name	Required	Select the VPC to connect the subnet from the list of currently created VPCs Click + Create New to create a VPC and then select
     VPC IP Range	Optional	Automatically enters the CIDR range of the selected VPC
     Subnet Name	Required	Name of the Subnet to create Enter 3-20 characters using uppercase/lowercase letters and numbers
     IP Range	Required	IP range to use Enter in IP range format within /16 ~ /28 range Example: 192.168.0.0/24 IP range cannot be used in duplicate with IP ranges currently in use in the VPC (other subnets)
     Gateway IP	Required	Displays the Gateway IP address of the Subnet The first IP of the entered IP range is automatically entered Cannot be modified after service creation

     Table. Subnet Service Information Input Items
   • Enter or select the required information in the Additional Information section.

     Category	Required	Description
     Description	Optional	Enter description for Subnet
     IP Allocation Range	Optional	Can set range within the IP range to use Select from entire IP range or individual specification Subnet child resources are assigned IPs within the entered entire IP range or the range individually specified by the user When selecting individual specification, enter the start IP address and end IP address
     DNS Name Server	Optional	Enter DNS Name Server IP after selecting Enable
     Host Route	Optional	Enter host route after selecting Enable Enter destination IP range and Next Hop IP address Destination IP ranges must not overlap with each other
     Tags	Optional	Add tags Up to 50 tags per resource Click Add Tag button and enter or select Key, Value values

     Table. Subnet Additional Information Input Items

3. On the Summary panel, verify the detailed information and estimated billing amount, then click the Create button.

   • After creation is complete, verify the created resource on the Subnet List page.

View Subnet Details

Subnet services allow you to view and modify the entire resource list and detailed information. The Subnet Details page consists of Details, Virtual IP Management, Tags, Operation History tabs.

To view Subnet details, follow these steps:

1. Click All Services > Networking > VPC menu. You will be redirected to the VPC Service Home page.
2. Click the Subnet button on the Service Home page. You will be redirected to the Subnet List page.
3. Click the resource for which you want to view detailed information on the Subnet List page. You will be redirected to the Subnet Details page.
   • The Subnet Details page displays status information and additional feature information, and consists of Details, Virtual IP Management, Tags, Operation History tabs.

     Category	Description
     Status	Subnet status Creating: Creation in progress Active: Operating normally Editing: Modification in progress Deleting: Deletion in progress Failed: Failed to create Error: Current status unknown If it occurs continuously, contact the registered administrator
     Delete Subnet	Subnet deletion button

     Table. Subnet Status Information and Additional Features

Details

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

Virtual IP Management

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

Tags

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

Operation History

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

Manage Virtual IP

You can reserve or manage Virtual IPs to use in the Subnet.

Reserve Virtual IP

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

To reserve a Virtual IP, follow these steps:

1. Click All Services > Networking > VPC menu. You will be redirected to the VPC Service Home page.
2. Click the Subnet button on the Service Home page. You will be redirected to the Subnet List page.
3. Click the resource for which you want to reserve a Virtual IP on the Subnet List page. You will be redirected to the Subnet Details page.
4. Click the Virtual IP Management tab on the Subnet Details page. You will be redirected to the Virtual IP Management tab page.
5. Click the Reserve Virtual IP button on the Virtual IP Management tab page. The Virtual IP reservation window opens.
6. Set the detailed items in the Reserve Virtual IP window and click Confirm.
   • Virtual IP: If you select Auto Generate, the automatically generated IP is reserved. If you select Input, you can reserve the IP you entered directly.
   • Description: Enter additional description for the Virtual IP.
7. When the reservation confirmation window appears, click Confirm.

View Virtual IP Details

You can view the detailed information of a Virtual IP.

To view the detailed information of a Virtual IP, follow these steps:

1. Click All Services > Networking > VPC menu. You will be redirected to the VPC Service Home page.
2. Click the Subnet button on the Service Home page. You will be redirected to the Subnet List page.
3. Click the resource for which you want to reserve a Virtual IP on the Subnet List page. You will be redirected to the Subnet Details page.
4. Click the Virtual IP Management tab on the Subnet Details page. You will be redirected to the Virtual IP Management tab page.
5. Click the resource you want to view on the Virtual IP Management tab page. You will be redirected to the Virtual IP Details page.
   • The Virtual IP Details page displays connected ports and detailed information.

     Category	Description
     Virtual IP	Virtual IP address
     Public NAT IP	Public NAT IP address and status Can modify by clicking Edit icon After setting Enable, can select existing IP or create and add Public NAT IP cannot be modified after setting, needs to be reset when changing
     Connected Port	Port information connected to Virtual IP Click Add button to add connected port, can connect existing port or create and add Click Delete button to delete connected port
     Description	Virtual IP description Can modify by clicking Edit icon
     Creator	User who reserved the Virtual IP
     Created At	Date and time when Virtual IP was reserved
     Modifier	User who modified Virtual IP information
     Modified At	Date and time when Virtual IP information was modified

     Table. Virtual IP Details Items

Delete Subnet

You can delete unused Subnets.

To delete a Subnet, follow these steps:

1. Click All Services > Networking > VPC menu. You will be redirected to the VPC Service Home page.
2. Click the Subnet menu on the Service Home page. You will be redirected to the Subnet List page.
3. Click the resource to delete on the Subnet List page. You will be redirected to the Subnet Details page.
4. Click the Delete button on the Subnet Details page.
5. After deletion is complete, verify that the resource has been deleted on the Subnet List.

Prerequisites

This is a list of services that must be configured in advance before creating this service. Please prepare in advance by referring to the guides provided for each service for more details.