instanceType

The type of the instance with which you want to associate the EIP. Valid values:

• Nat: NAT gateway

• SlbInstance: CLB instance

• EcsInstance (default): ECS instance

• NetworkInterface: secondary ENI

• HaVip: HAVIP

• IpAddress: IP address

NOTE: The default value is EcsInstance. If the instance with which you want to associate the EIP is not an ECS instance, this parameter is required.