ssh solaris 11 with root or common user via putty or another Solaris 11 in the same subnet, it hangs

Sun_SSH_2.4, SSH protocols 1.5/2.0, OpenSSL 0x100020af

debug1: Reading configuration data /etc/ssh/ssh_config

debug2: Default value for UseOpenSSLEngine is 0

debug1: Rhosts Authentication disabled, originating port will not be trusted.

debug1: ssh_connect: needpriv 0

debug1: Connecting to 10.xxx.xxx.xxx [10.xxx.xxx.xxx] port 22.

debug1: Connection established.

debug1: ssh_kmf_check_uri: /root/.ssh/identity

debug1: Identity file/URI '/root/.ssh/identity' pubkey type UNKNOWN

debug1: ssh_kmf_check_uri: /root/.ssh/id_rsa

debug1: Identity file/URI '/root/.ssh/id_rsa' pubkey type UNKNOWN

debug1: ssh_kmf_check_uri: /root/.ssh/id_dsa

debug1: Identity file/URI '/root/.ssh/id_dsa' pubkey type UNKNOWN