The second IP address or DNS hostname of the remote host to
where the transport stream shall be pushed. This is a second
host that will be attempted if connection to the first host
fails when a transport stream is to be established. When
using two addresses, the transport is setup to two
alternative destinations. If a second host shall not be
used, then the the value shall be empty and the
vasPusSrcRemoteType2 shall be `unknown'.