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Help Center/ Server Migration Service/ FAQs/ Migration Network/ How Do I Set Up a Secure Migration Network for Using SMS?

How Do I Set Up a Secure Migration Network for Using SMS?

Updated on 2025-01-24 GMT+08:00

Scenarios

To use SMS, you need to install the Agent on each source server to be migrated. During the migration, each source server must continuously communicate with SMS and the paired target server.

Figure 1 SMS networking

Connecting Source Servers to Huawei Cloud API Gateway

  • The Agent installed on source servers must communicate with Huawei Cloud services IAM, ECS, EVS, IMS, VPC, SMS, OBS, and DNS during the migration. You must ensure that the Agent can call the APIs of these services in the region you are migrating to.
    • IAM and SMS are global-level services. The Agent needs to access their endpoints iam.myhuaweicloud.com and sms.ap-southeast-3.myhuaweicloud.com.
    • ECS, EVS, IMS, VPC, and DNS are region-level services. The Agent needs to access their endpoints in the region you are migrating to.
    • The Agent needs to access the OBS endpoint obs.cn-north-1.myhuaweicloud.com and the OBS endpoint in the region you are migrating to.

      Table 1 lists the endpoints of the involved services when you migrate to the region CN South-Guangzhou.

      Table 1 Addresses of involved services and buckets

      Service/Bucket

      Endpoint/Bucket Address

      Remarks

      IAM

      iam.myhuaweicloud.com

      Endpoints of involved global-level services

      SMS

      sms.ap-southeast-3.myhuaweicloud.com

      OBS

      obs.cn-north-1.myhuaweicloud.com

      ECS

      ecs.cn-south-1.myhuaweicloud.com

      Endpoints of involved region-level services in CN South-Guangzhou

      EVS

      evs.cn-south-1.myhuaweicloud.com

      VPC

      vpc.cn-south-1.myhuaweicloud.com

      IMS

      ims.cn-south-1.myhuaweicloud.com

      OBS

      obs.cn-south-1.myhuaweicloud.com

      DNS

      dns.cn-south-1.myhuaweicloud.com

      sms-resource-intl-ap-southeast-3

      sms-resource-intl-ap-southeast-3.obs.ap-southeast-3.myhuaweicloud.com

      Addresses of the OBS buckets to be accessed by the SMS-Agent

      sms-agent-config-inter

      sms-agent-config-inter.obs.ap-southeast-3.myhuaweicloud.com

      NOTE:

      Retain the default values for sms-resource-intl-ap-southeast-3 and sms-agent-config-inter. The URLs of other dependent services depend on the target region.

      SMS uses domain names such as bbs.huaweicloud.com, support.huaweicloud.com, and console.huaweicloud.com to provide migration and consulting services.

  • If the DNS server addresses are not configured on the source server, you need to map each endpoint to its IP address in the local hosts file (C:\Windows\System32\drivers\etc\hosts for Windows and /etc/hosts for Linux).
    The IP addresses can be obtained by pinging the endpoints, as shown in Figure 2.
    Figure 2 Pinging an endpoint

Connecting Source Servers to Target Servers

  • If you want to migrate over the Internet, you need to purchase an EIP for the target server.
  • If you want to migrate over a private network, you need to purchase a Direct Connect or VPN connection from your source environment to Huawei Cloud.

Opening Required Ports on Target Servers

  • Open the required inbound ports in the security group of each target server.
    • Windows: ports 8899, 8900, and 22
    • Linux: ports 8900 and 22
  • If a network ACL is configured for the subnet you are migrating to, you also need to open the required inbound ports in the ACL.

    For details, see How Do I Configure Security Group Rules for Target Servers?

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