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Switching Instance Network

Last updated: 2022-04-08 14:37:57

    You can directly switch the network of a TencentDB for MongoDB instance in the console to adjust the network status promptly.

    Background

    Tencent Cloud supports classic network and VPC, which are capable of offering a diversity of smooth services. On this basis, we provide more flexible services as shown below to help you manage network connectivity with ease.

    • The network of a TencentDB for MongoDB primary instance can be switched from classic network to VPC.
    • The network of a TencentDB for MongoDB primary instance can be switched from VPC A to VPC B.

    Version Requirement

    Currently, TencentDB for MongoDB 4.2, 4.0, 3.6, and 3.2 support instance network switch.

    Billing

    Switching the instance network doesn't incur additional fees.

    Notes

    • Switching the network may cause the change of instance's private IP. The original IP will become invalid after the repossession time has elapsed. Modify the instance IP on the client promptly.
    • The switch from classic network to VPC is irreversible. After the switch to a VPC, the TencentDB instance cannot communicate with Tencent Cloud services in another VPC or classic network.
    • After you switch a primary instance's network, the networks of read-only replicas or disaster recovery instances associated with the primary instance won’t be automatically switched, that is, you need to manually switch them.

    Prerequisites

    Directions

    1. Log in to the TencentDB for MongoDB console.
    2. In the MongoDB drop-down list on the left sidebar, select Replica Set Instance or Sharded Instance. The directions for the two types of instances are similar.
    3. Above the instance list on the right, select the region.
    4. In the instance list, find the target instance.
    5. Click the target instance ID to enter the Instance Details page.
    6. In the Basic Info section, click Change Network on the right of Network.
    7. In the Change Network pop-up window, select a VPC and subnet in the drop-down list next to Network.
      If existing networks can't meet your requirements, you can click Create VPCs or Create Subnets to create a network and select it.
    8. Select Auto Assign or Designate Address for New IP Assignment Method.
      • Auto Assign: The system will automatically assign an available IP based on the currently selected network environment.
      • Designate Address: You can enter a specific IP address in the New IPv4 Address input box.
        Note:

        • You can only select a VPC in the region of the instance.
        • We recommend that the VPC where the CVM instance resides should be selected; otherwise, the CVM instance will not be able to access TencentDB for MongoDB over the private network, unless a CCN instance is created between the two VPCs.
    9. In the drop-down list next to Old IP, select the release time of the old IP.
      Note:

      • TencentDB for MongoDB 4.x replica set instances do not support retaining the old IP address, which will be released immediately after the switch. Therefore, switch the network during the maintenance time.
      • If you select Release Now, all network connections to the old IP will be closed immediately. Select a release time with caution.
    10. Confirm the network switch and click OK. Return to the instance details page, where you can view the network of the instance.
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