ipAddressType
The IP address type of the endpoint.
If no value is specified, the default value is determined by the IP address type of the subnet:
dualstack- If the subnet has both IPv4 and IPv6 CIDRsipv4- If the subnet has only IPv4 CIDRsipv6- If the subnet has only IPv6 CIDRs
PreserveClientIp is only supported on IPv4 EC2 Instance Connect Endpoints. To use PreserveClientIp, the value for IpAddressType must be ipv4.