Setting Up an IPv6 Network and Creating a Target Server

Before migrating a server over an IPv6 network, you need to set up an IPv6 VPC and create an ECS as the target server in it. For details, see Setting Up an IPv6 Network.

Precautions

The source server must be able to access the IPv6 network. If your source server is an ECS on Huawei Cloud, DHCPv6 must be enabled for it.
When configuring a subnet, you need to select Enable for IPv6 CIDR Block so that the system will automatically allocate an IPv6 CIDR block to the subnet.
Only some ECS specifications support IPv6 networks. To use an IPv4/IPv6 dual-stack network, you need to create an ECS that supports IPv6 in a supported region. For details about the supported ECS specifications, see ECS Specifications List.
When configuring the network, you must select Self-assigned IPv6 address. Allocate Shared Bandwidth is optional.
The security group of the ECS must allow traffic from IPv6 addresses over the following required ports:
- Windows: TCP ports 8899, 8900, and 22
- Linux: TCP port 22 for file-level migration, and ports 8900 and 22 for block-level migration
  
  For security purposes, you are advised to only allow traffic from the source server to the ECS over these ports.