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Create and manage network interfaces

This section explains how to create and manage network interfaces.

Create network interface​

You can create a new network interface.

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.

  2. Click Network interfaces, then click the [Create network interface] button.

  3. In the Create network interface window, enter the required information and click the [Create] button.

    CategoryDescription
    Basic informationBasic information required when creating a network interface
    - Name (optional): Name of the network interface
    - Description (optional): Description of the network interface
    NetworkBasic network settings required when creating a network interface
    - VPC: Select the VPC where the network interface will be created
    - Subnet: Display and select the subnet within the selected VPC
    - IP allocation method: Select how the IP will be assigned
    - Security group: Select the security group to apply to the new network interface

A network interface can also be created at the time of instance creation. For details, see Create and connect instance.

Manage network interfaces​

View network interface list​

You can check the list of existing network interfaces and their basic information.

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.

  2. Click Network interfaces to view the list of existing network interfaces.

    CategoryDescription
    Network interfaceThe name assigned to the network interface
    - Name is optional, so it may not be displayed
    Network interface IDUnique UUID of the network interface
    StatusUsage status of the network interface
    - Available: Not connected to a resource and can be connected
    - In-Use: Already connected to a resource and cannot be connected to another resource
    Security groupList of security groups applied to the network interface
    Connection target typeType of resource the network interface is connected to
    Primary private IPPrimary private IP address assigned to the network interface
    Primary public IPPrimary public IP address associated with the primary private IP
    Availability zoneAvailability zone where the network interface was created
    Created atDate and time when the network interface was created
    [More] iconRename network interface: Change name and description of the network interface
    Edit security group: Modify the security group applied to the network interface
    Edit allowed address pairs: Add or remove allowed IP addresses or CIDRs for packet transmission
    Delete network interface: Delete a network interface that is not connected to a resource

  3. To view details, click the desired network interface in the list to open the details page.

View network interface details​

You can view detailed information of a network interface.

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.
  2. Click Network interfaces and select the network interface whose details you want to view.
  3. On the details page of the selected network interface, check the information.
info
  • The Instance and Security tabs are available only for network interfaces connected to an instance.

You can view detailed information of the selected network interface.

CategoryDescription
StatusStatus of the network interface
- Available: Available to connect to a resource
- In-Use: Already connected to a resource
Created atDate the network interface was created
Network interface nameName assigned to the network interface
Network interface IDUnique UUID of the network interface
Availability zoneAvailability zone where the network interface was created
Allowed address pairsList of allowed IP addresses or CIDRs added to the network interface
Connection target typeType of resource connected to the network interface

Rename network interface​

You can rename a network interface and update its description.

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.
  2. Click Network interfaces, then click the [More] icon for the network interface to rename, and select Rename network interface.
  3. In the Rename network interface pop-up window, update the information and click the [Apply] button.

Modify security group​

You can edit the security groups applied to a network interface.

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.
  2. Click Network interfaces, then click the [More] icon for the network interface to edit, and select Edit security group.
  3. In the Edit security group pop-up window, modify the security groups to apply and click the [Apply] button.

Modify allowed address pairs​

By default, a network interface only transmits packets when the source/destination IP address matches its own IP.
By adding allowed address pairs, you can configure the network interface to transmit packets destined for the added IP addresses or CIDR ranges.

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.
  2. Click Network interfaces, then click the [More] icon for the network interface to edit, and select Edit allowed address pairs.
  3. In the Edit allowed address pairs pop-up window, enter the IP address or CIDR to add. You can enter multiple addresses by clicking the [Add] button. After entering, click the [Apply] button.
info
  • Up to 10 IP addresses or CIDRs can be added as allowed address pairs.

Delete network interface​

You can delete one or multiple network interfaces that are not connected to any resources (status = Available).

  1. In the KakaoCloud Console, go to Beyond Networking Service > VPC.
  2. Click Network interfaces, then click the [More] icon for the network interface to delete, and select Delete network interface.
  3. In the Delete network interface pop-up window, enter the required information and click the [Delete] button.