Route Table

Available in VPC

Network paths for in-VPC resources can be defined in a route table. A path, i.e., routing rule, is added by specifying the next hop location according to a destination address. Associating a route table to a subnet affects communications of resources within the subnet. Detailed characteristics of route table is as follows.

• Every subnet is applied with a route table, and multiple different subnets can be associated to the same route table.
• You can create a public route table or private route table, depending on your purpose of use.
  • Public route table: It can be associated with a public subnet, and internet gateway (IGW) rules to provide internet communication and local rules for internal communications within VPC are added automatically.
  • Private route table: It can be associated with a private subnet, and local rules for internal communications within VPC are added automatically.
• When you create a VPC, a default route table is automatically created. The default route table can't be deleted.

Route table page

The basics of using route table are as follows.

Area	Description
① Menu name	Name of the menu currently being viewed, number of route tables in operation
② Basic features	Create route table, refresh the Route table page
③ Post-creation features	Set related subnet, set routing rules, delete route table in operation
④ Search window	Enter a search word, and then click the button to search for the item
⑤ Search filter	Specify the range of route tables to search.
⑥ Route table list	View the list of created route tables and their information.

View route table list

You can check the information of each route table from the list of route tables that have been created and are in operation. The following describes how to view the information.

1. From the NAVER Cloud Platform console's VPC environment, click the Services > Networking > VPC menus, in that order.
2. Click the Route table menu.
3. When the list of created route tables appears, view the summarized information or click a route table to check the details.
   
   • Route table name: name of the route table
   • Route table ID: ID value of the route table
   • VPC name: name of the VPC that uses the route table
   • Status: status of the route table
     • Running: status in which the creation of the route table IP has been completed with the information entered by the user, and the route table is available for use
     • Configuring: status in which the route table configuration is being applied with the information entered by the user
   • Subnet support type: type of the subnet where the route table is used
   • [Related subnet] tab: list of the subnets where the route table is used
   • [Routes] tab: list of routing rules included in the route table
   • Number of applied subnets: number of subnets where the route table is used
   • Memo: This is the memo related to the route table, and it can be edited by clicking the [Edit] button.

Create route table

The following describes how to create a route table.

1. From the NAVER Cloud Platform console's VPC environment, click the Services > Networking > VPC menus, in that order.
2. Click the Route table menu.
3. Click the [Create route table] button.
   
4. When the Create route table pop-up window appears, enter information for the route table to create.
   • Route table name: Enter the name of the route table to create, in 3 to 30 characters using English letters, numbers, and hyphens (-).
   • VPC: Select the VPC that will use the route table.
   • Subnet support type: Select the type of the subnet where the route table will be used.
     • If you select Public, then it can be applied to public subnets in the target VPC. If you select Private, then it can be applied to private subnets in the target VPC.
5. Click the [Create] button.
6. When the Route table request content pop-up window appears, check the content of the request, and then click the [OK] button.
7. Check the status of the route table created from the route table list in the Route table page.
   • Running: status in which the creation of the route table IP has been completed with the information entered by the user, and the route table is available for use
   • Configuring: status in which the route table configuration is being applied with the information entered by the user
8. Set routing rules that will contain the route table, and specify a subnet to apply them.
   • Routing rule settings guide
   • Related subnet settings guide

Set routing rules

The following describes how to add or delete routing rules to a route table created.

1. From the NAVER Cloud Platform console's VPC environment, click the Services > Networking > VPC menus, in that order.

2. Click the Route table menu.

3. Select a route table you want from the list, and then click the [Set routes] button.

4. When the Set route table pop-up window appears, set routing rules.
   

   • Destination: Enter the public IP of the destination in the form of CIDR block.
   • Target Type: Select the type of the next hop for communications with the destination.
     • LOCAL: It is the point of contact provided by default to set communications between resources. It can't be created or deleted arbitrarily.
     • IGW: It stands for internet gateway. It's a gateway for internet communication and is only displayed in public route tables. It can't be created or deleted arbitrarily.
     • NATGW: It stands for NAT Gateway. It is a gateway that you create when you need outbound internet communication from a private subnet.
     • VGW: It stands for Virtual Private Gateway. It's an exclusive line for Cloud Connect configured for communication with on-premise servers, or a point of contact with IPsec VPN.
     • VPCPEERING: VPC peering, a point of contact for private IP communication with other VPCs
   • Target Name: Select the next hop to specify within the selected target type.
   • [Create]: Add the routing rule entered to the list.
   • : Delete the routing rule added on the list.

5. Click the [OK] button.

6. Select the route table from the route table list, and then click the [Routes] tab to check the rules set.

Set related subnet

The following describes how to configure a subnet to apply the route table created.

1. From the NAVER Cloud Platform console's VPC environment, click the Services > Networking > VPC menus, in that order.
2. Click the Route table menu.
3. Select a route table you want from the list, and then click the [Set related subnet] button.
4. When the Set route table pop-up window appears, select a subnet, and then click the [Create] button to add the subnet.
   • You can click from the subnet list to delete added subnets.
5. Click the [OK] button.
6. Select the route table from the route table list, and then click the [Related subnet] tab to check the subnets added.

Delete route table

The following describes how delete a route table that has been created and is in operation.

1. From the NAVER Cloud Platform console's VPC environment, click the Services > Networking > VPC menus, in that order.
2. Click the Route table menu.
3. Click the route table to delete, and then click the [Delete route table] button.
4. When the Delete route table pop-up window appears, click the [Delete] button.