Skip to main content

Create and manage route table

Here's how to create and manage route tables in the VPC service.

Permissions
  • VPC role management follows IAM role-based access control (RBAC), and only Project Admin can create and manage route tables. Other project members can only view route tables.
  • For your IAM permissions by role, please contact your Org Admin (Admin).

Create route table​

You can create a new route table.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then click the [Create Route Table] button.

  3. In the Create Route Table popup, enter the information and click [Create].

    vpc_htg_rt_kr2_03.png

    ItemDescription
    Route Table NameEnter the name for the new route table
    VPCSelect the VPC where the route table will be located

Manage route tables​

caution
  • When modifying or adding routes, instances with more than two network interfaces cannot be specified as the destination in the route table. Future support for destination configuration on a per-network interface basis will be available.

View route table list​

You can view the list of currently created route tables and their details.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then view the list of currently created route tables.

    ItemDescription
    Route TableThe name and ID of the created route table
    StatusThe status of the route table
    VPCThe name of the VPC where the route table is located
    Connected SubnetsInformation on subnets connected to the route table
    DefaultWhether it is the default route table
    - Yes: The route table created automatically with the VPC (cannot be deleted)
    - No: The route table created by the user (can be deleted)
    [More Options] IconRename Route Table: Rename the route table
    Set as Default Route Table: Set this route table as the default
    Delete Route Table: Delete Route Table reference
    Edit Association: Modify the subnet association for this route table

  3. Click the route table whose details you want to view, and check the information on the route table detail page.

Rename route table​

You can rename the route table.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the Route Table menu, then select the [More Options] icon for the route table you want to rename > Rename Route Table.
  3. In the Rename Route Table popup, enter the information and click [Apply].

Set default route table​

You can set the route table as the default route table.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then select the [More Options] icon for the route table you want to set as the default > Set as Default Route Table.

    vpc_htg_rt_kr2_08.png

  3. In the Set Default Route Table popup, enter the information and click [Apply].

Manage connected subnets​

The feature to manage connected subnets for route tables will be supported in a future release.

Modify association​

You can modify the subnet associations to the route table.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then select the route table for managing the connected subnets.

  3. On the route table detail page, click the Association tab and then click the [Edit Association] button.

    vpc_htg_rt_kr2_17.png Manage Connected Subnets

  4. In the Edit Association popup, you can manage the connected subnets.

    • If you need to associate a subnet, click [Connect] to associate it with the route table.

    vpc_htg_rt_kr2_18.png Manage Connected Subnets Popup

    ItemDescription
    SubnetThe name of the subnet created in the VPC
    IP CIDR BlockThe IP CIDR block information for the subnet
    Route TableThe route table connected to the subnet
    - If you need to associate the subnet, click [Connect] to associate it with the selected route table.
      - When associating, the subnet’s communication route changes based on the routing information, so verify the routing status in advance.
    - [Connect] Button Active: The subnet is connected to another route table.
    - [Connect] Button Inactive: The subnet is connected to this route table.

Delete route table​

You can delete a route table that is no longer in use.

info

Before deleting a route table, ensure that all resources using the route table are deleted. The Default: Yes route table cannot be deleted and will be deleted when the VPC resource is deleted.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the [More Options] icon for the route table you want to delete > Delete Route Table.
  3. In the Delete Route Table popup, enter the name of the route table to delete and click [Delete].

Add new route​

You can add a new route to the route table.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then select the route table where you want to add the route.

  3. On the route table detail page, click the Routing tab, then click the [Add Route] button.

  4. In the Add Route popup, enter the necessary information and click [Add].

    • To use a NAT instance, set the route destination to Instance. For more details, refer to the Using NAT Instance.

    vpc_htg_rt_kr2_11.png Add Route Popup

    ItemDescription
    Destination TypeThe type of destination where the traffic will pass through to reach the destination IP
    - Local: To communicate within the VPC network (Destination IP: VPC CIDR IP)
    - Internet Gateway: To communicate with the internet (Destination IP: VPC CIDR IP or other IPs)
    - Instance: To send traffic to a VM instance (Destination IP: VPC CIDR IP or other IPs)
    - Transit Gateway: To send traffic to a Transit Gateway (Destination IP: VPC CIDR IP or other IPs)
    Destination NameThe resource name for the selected destination type
    Destination IPEnter the destination IP in CIDR block format

Manage route​

You can manage the routes within the route table.

caution

When adding, modifying, or deleting routes, the communication paths for the connected subnets in the route table will change. Please verify the subnet connection status before managing the route table.

View routes​

You can view the list of routes and their details in the route table.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then select the route table where you want to view the routes.

  3. On the route table detail page, click the Routing tab to view the created routes.

    vpc_htg_rt_kr2_12.png View Routes

    ItemDescription
    DestinationThe destination IP for the route
    Destination TypeThe type of destination where traffic will pass through
    DestinationThe name of the destination where traffic will pass through
    StatusThe status of the route
    [More Options] IconModify Route: Change the route type
    Delete Route: Delete the route

Change route type​

You can change the destination type of a route.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.

  2. Click the Route Table menu, then select the route table where you want to change the route.

  3. On the route table detail page, click the Routing tab, then select the [More Options] icon for the route you want to change > Modify Route.

    vpc_htg_rt_kr2_13.png Modify Route

  4. In the Modify Route popup, edit the information and click [Apply].

Delete route​

You can delete a route that is no longer in use.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the Route Table menu, then select the route table where you want to delete the route.
  3. On the route table detail page, click the Routing tab, then select the [More Options] icon for the route you want to delete > Delete Route.
  4. In the Delete Route popup, click [Delete].