Sqoop Failure in export

sqoop export
–connect jdbc:mysql://ip-172-31-20-247/sqoopex
–username sqoopuser
–password NHkkP876rp
–export-dir /user/gspr40334005
–table sai_sales
–input-fields-terminated-by ‘,’;

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Can you put correct mysql ip as specified under “My Lab”