There are indeed 2 addresses, the sandbox is Centos which has an IP, and in centos there is a docker image running HDP which has another IP. From windows itself, ports on the docker image are forwarded and accessible via localhost. Ex when your sandox is up, you could access 127.0.0.1:8888 via a browser. Similarly port 2222 should also be forwarded to be accessible through localhost/127.0.0.1.
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