How-to guides

The user can enter required Load Balancer information and select detailed options through the Samsung Cloud Platform Console to create a service.

Load Balancer Create

You can create and use the Load Balancer service from the Samsung Cloud Platform Console.

To create a Load Balancer, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Navigate to the Service Home page of Load Balancer.
2. Click the Load Balancer Create button on the Service Home page. You will be taken to the Load Balancer Create page.
3. Load Balancer creation on the page, enter the information required to create the service and select detailed options.
   • Service Information Input Enter or select the required information in the area.

• Additional Information Input Enter or select the required information in the area.

  Category	Required	Detailed description
  Description	Select	Enter resource description
  Tag	Select	Add Tag Up to 50 tags can be added per resource

  Table. Load Balancer Additional Information Input Items

4. Check the created service information and the estimated billing amount, and click the Complete button.
   • When creation is complete, check the created resources on the Load Balancer List page.
     Guide

     Load Balancer service does not provide access control functionality for Service IP and service ports.
     

     • Load Balancer when creating use Firewall to manage communication between client and Load Balancer, and between Load Balancer and members with Firewall rules, and use Firewall log storage to store access logs is recommended.
     Caution

     If you use the firewall, you must add rules required for Load Balancer communication. Register the rules, paying attention to the direction for each purpose.
     

     • If you do not add the rule, the Load Balancer service will not operate correctly.

     

     Purpose	Source IP	Destination IP	Protocol	Destination Port/Type	Direction
     Client → LB connection	Client IP	LB Service IP	Listener protocol	Listener service port	Outbound
     LB → Member Connection	LB Source NAT IP	LB Server Group Member IP	LB Server Group Protocol	Member Port	Inbound
     LB → Member Health Check	LB Health Check IP	LB Server Group Member IP	Health Check Protocol	Health Check Port If the health check port and member port are different, register the member port	Inbound

     Figures and Tables. Add Load Balancer Firewall Rule

Load Balancer Check Detailed Information

The Load Balancer service can view and edit the resource list and detailed information in the Load Balancer menu. Load Balancer Details page consists of Details, Connected Resources, Tags, Activity Log tabs.

To view detailed information of the Load Balancer service, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Go to the Service Home page of the Load Balancer.
2. Click the Load Balancer menu on the Service Home page. Navigate to the Load Balancer List page.
3. Click the resource to view detailed information on the Load Balancer List page. You will be taken to the Load Balancer Details page.
   • Load Balancer Detail page displays status information and additional feature information, and consists of Detail Information, Connected Resources, Tags, Operation History tabs.

     Category	Detailed description
     Status	Load Balancer resource status Active: The service is properly activated Deleting: Processing service termination request Creating: Processing service creation request Error: Cannot determine current status due to internal error Editing: Processing service modification request
     Service termination	Load Balancer resource deletion

     Table. Load Balancer status information and additional feature items

Detailed Information

Detailed Information tab allows you to view detailed information of the selected resource from the Load Balancer list, and modify necessary information.

Connected Resources

In the Connected Resources tab, you can view the list of Listeners attached to the Load Balancer, and create or delete Listeners.

• connected resource tab, when you select the Listener item, you go to the Listener details page where you can view detailed information and edit or delete it.
• Listener Details page items, clicking the Edit icon allows you to edit the information.

Tag

Load Balancer list page allows you to view the tag information of the selected resource, and you can add, modify, or delete it.

Work History

Work History tab allows you to view the work history of the selected resource.

Load Balancer Resource Management

You can manage resources such as creating and deleting Load Balancer listeners.

Creating a Listener

Create a Listener on the Load Balancer to receive client requests and handle traffic according to the Listener settings.

Creating a Listener in L4 Load Balancer

To create a Listener in L4 Load Balancer, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Navigate to the Load Balancer’s Service Home page.
2. Click the Load Balancer menu on the Service Home page. Go to the Load Balancer List page.
3. Load Balancer List page, click the Load Balancer resource to create a Listener. Go to the Load Balancer Details page.
4. Click the Connected Resources tab on the Load Balancer Details page. It navigates to the Connected Resources tab page.
5. Connected Resources tab page, click the Create Listener button in the upper right.
6. Service Information Input Enter or select the required information in the area.
   • Protocol determines which information can be entered.

7. Enter Additional Information In the area, enter or select the required information.

8. Check the created service information and click the Complete button.
   • When creation is complete, check the created resources in the Load Balancer Details page’s Connected Resources tab.

Creating a Listener in L7 Load Balancer

To create a Listener in L7 Load Balancer, follow the steps below.

1. Click the All Services > Networking > Load Balancer menu. Go to the Load Balancer’s Service Home page.
2. On the Service Home page, click the Load Balancer menu. You will be taken to the Load Balancer List page.
3. Load Balancer List on the page, click the Load Balancer resource to create a Listener. Navigate to the Load Balancer Details page.
4. Click the Connected Resources tab on the Load Balancer Details page. You will be taken to the Connected Resources tab page.
5. Connected Resources tab page, click the Create Listener button at the top right.
6. Service Information Input area, enter or select the required information.
   • The information that can be entered varies according to the Protocol.

7. Additional Information Input Please input or select the required information in the area.

8. Check the created service information and click the Complete button.
   • When creation is complete, check the created resource in the Connected Resources tab of the Load Balancer Details page.

SSL Security Level Support Items

The list of TLS versions and Cipher Suites supported by the Listener for each SSL security level is as follows.

Listener Check Detailed Information

Load Balancer Details page’s Connected Resources tab by selecting a Listener you can view and edit the detailed information.

To view the detailed information of the Listener, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Navigate to the Service Home page of Load Balancer.
2. On the Service Home page, click the Load Balancer menu. You will be taken to the Load Balancer List page.
3. Load Balancer List Click the resource to view detailed information on the page. Go to the Load Balancer Details page.
4. Click the Connected Resources tab on the Load Balancer Details page.
5. Click the Listener to view detailed information from the list of connected resources. It moves to the Listener Details page.
   • Listener Details page displays status information and additional feature information, and consists of Details, Tags, Activity History tabs.

Detailed Information

Detailed Information tab allows you to view the listener’s detailed information and edit necessary information. Detailed information varies depending on the Load Balancer in use.

L4 Load Balancer Detailed Information

L7 Load Balancer Detailed Information

Tag

You can view the tag information of the Listener, and add, modify, or delete it.

Work History

You can view the Listener’s operation history.

Edit routing rules

On the Connected Resources tab of the Load Balancer Details page, you can modify the Listener’s routing rules.

To modify the Listener’s routing rules, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Navigate to Load Balancer’s Service Home page.
2. Click the Load Balancer menu on the Service Home page. Navigate to the Load Balancer List page.
3. Load Balancer List page, click the resource to view detailed information. It navigates to the Load Balancer Details page.
4. Click the Connected Resources tab on the Load Balancer Details page.
5. Click the Listener to add a lighting condition from the list of connected resources. Listener Details page.
6. Click the Edit icon of the Routing Rule item on the Listener Details page. The Edit Routing Rule popup opens.
7. After modifying the routing rules according to the routing action, click the Confirm button.

   Category	Required or not	Detailed description
   Routing Action	-	Current routing method (cannot be modified)
   Routing Condition	Required	Routing condition can be modified when routing action is LB server group delivery URL Path: modify request URL path and LB server group (up to 20 additions possible) Host Header: modify request host and LB server group (up to 20 additions possible)
   Redirect target	Required	If the routing action is URL redirect, the redirect target can be edited Path: Can modify the changed URL path Host: Can modify the changed host Protocol/Port: Cannot modify (only HTTP → HTTPS redirect is possible)

   Table. Listener Routing Rule Modification Items

Listener Delete

To delete an unused Listener, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Navigate to the Service Home page of the Load Balancer.
2. Click the Load Balancer menu on the Service Home page. Move to the Load Balancer List page.
3. Click the Load Balancer resource to delete the Listener on the Load Balancer List page. It navigates to the Load Balancer Detail page.
4. Load Balancer Details 페이지에서 Connected Resources 탭을 클릭하세요. Connected Resources 탭 페이지로 이동합니다.
5. On the Connected Resources tab page, click the Listener you want to delete. It navigates to the Listener Details page.
6. Click the Delete Listener button on the Listener Details page.

Load Balancer Cancel

You can cancel unused Load Balancers to reduce costs. However, since it may affect the application service, request cancellation after sufficient prior review.

To cancel the Load Balancer, follow the steps below.

1. All Services > Networking > Load Balancer Click the menu. Navigate to the Service Home page of the Load Balancer.
2. Click the Load Balancer menu on the Service Home page. You will be taken to the Load Balancer List page.
3. On the Load Balancer List page, click the resource to be terminated. It navigates to the Load Balancer Details page.
4. Click the Cancel Service button on the Load Balancer Details page.
5. Once termination is complete, check the resource termination status in the Load Balancer list.