ssh连接报错The authenticity of host '192.168.203.137 (192.168.203.137)' can't be established.

[root@puppetmaster ~]# ssh 192.168.203.137

The authenticity of host '192.168.203.137 (192.168.203.137)' can't be established.

RSA key fingerprint is e7:e7:f5:40:d6:39:45:1c:da:e3:ec:63:bb:f6:1e:69.

Are you sure you want to continue connecting (yes/no)? 

Host key verification failed.

[root@puppetmaster ~]# ssh  -o StrictHostKeyChecking=no 192.168.203.137

Warning: Permanently added '192.168.203.137' (RSA) to the list of known hosts.

[email protected]'s password: 

Last login: Mon Sep 28 20:13:30 2015 from localhost.localdomain