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network interface creation and management

Here’s how to create and manage network interfaces.

Create Network Interface​

You can create a new network interface.

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

  2. Click the Network Interface menu, then click the [Create Network Interface] button.

  3. In the Create Network Interface window, enter the information and click the [Create] button.

    ItemDescription
    Basic InformationBasic information entered when creating the network interface
    - Name (optional): Enter the name of the network interface
    - Description (optional): Description of the network interface
    NetworkBasic network settings that must be configured when creating the network interface
    - VPC: Select the VPC where the network interface will be created
    - Subnet: Display and select the subnet list in the selected VPC
    - IP Allocation Method: Select the IP allocation method
    - Security Group: Set the security group for the network interface being created

Network interfaces can also be created when creating an instance. For more details, refer to Instance Creation and Connection.

Manage Network Interfaces​

View Network Interface list​

You can view the list of currently created network interfaces and their basic information.

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

  2. Click the Network Interface menu and view the list of currently created network interfaces.

    ItemDescription
    Network InterfaceThe name and unique UUID of the network interface
    - The name is optional and may not be displayed.
    StatusThe usage status of the network interface
    - Available: The interface is not connected to any resource and is available for connection.
    - In-Use: The interface is already connected to a resource and cannot be connected to another.
    Security GroupList of security groups applied to the network interface
    Primary Private IPThe primary private IP address assigned to the network interface
    Primary Public IPThe primary public IP address connected to the primary private IP address
    Availability ZoneThe availability zone where the network interface was created
    Creation DateThe creation date of the network interface
    [More Options] iconRename Network Interface: Rename the network interface and its description
    Edit Security Group: Modify the security groups applied to the network interface
    Modify Allowed IPs: Add or delete IP addresses or CIDRs that can send packets to the interface
    Delete Network Interface: Delete the network interface that is not connected to any resource

  3. To view the details, click the network interface whose details you wish to view and check the information on the detail page.

View Network Interface Details​

You can view detailed information about the network interface.

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

  2. Click the Network Interface menu and select the network interface from the list for which you want to view detailed information.

  3. Check the information on the detailed page for the selected network interface.

    View detailed information about the network interface.

    ItemDescription
    Network Interface StatusThe status of the network interface
    - Available: The interface is available for connection
    - In-Use: The interface is already connected to a resource
    Creation DateThe creation date of the network interface
    Network Interface NameThe name assigned to the network interface
    Network Interface IDThe unique UUID of the network interface
    Availability ZoneThe availability zone where the network interface was created
    Allowed IP ListList of allowed IP addresses or CIDRs added to the network interface

Rename Network Interface​

You can rename the network interface and modify its description.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the Network Interface menu, then select the [More Options] icon for the network interface you want to rename > Rename Network Interface.
  3. In the Rename Network Interface popup, modify the information and click [Apply].

Modify security group​

You can modify the security groups applied to the network interface.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the Network Interface menu, then select the [More Options] icon for the network interface you want to modify the security group for > Modify Security Group.
  3. In the Modify Security Group popup, modify the security group applied to the network interface and click [Apply].

Modify allowed IPs​

Typically, a network interface checks the source/destination IP addresses and processes packets only if they match its own IP. By adding allowed IPs for packet forwarding, you can enable packets from the added IP addresses or CIDR ranges to be forwarded.

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the Network Interface menu, then select the [More Options] icon for the network interface you want to modify > Modify Allowed IPs.
  3. In the Modify Allowed IPs popup, enter the IP addresses or CIDR ranges you want to add. You can enter multiple IPs by clicking [Add]. After entering, click [Apply].
info
  • The maximum number of allowed IPs/CIDRs that can be added is 10.

Delete network interface​

You can delete one or multiple network interfaces that are not connected to any resource (i.e., those in the Available status).

  1. Go to the KakaoCloud Console > Beyond Networking Service > VPC menu.
  2. Click the Network Interface menu, then select the [More Options] icon for the network interface you want to delete > Delete Network Interface.
  3. In the Delete Network Interface popup, enter the necessary information and click [Delete].