router#ssh 1.2.3.4
[Connection to 1.2.3.4 aborted: error status 0]

SSH2 CLIENT 0: Server has chosen 2056 -bit dh keys
%SSH-3-INV_MOD: Invalid modulus length

SSH2 CLIENT 0: Server has chosen 2056 -bit dh keys
%SSH-3-INV_MOD: Invalid modulus length
%SSH-3-DH_RANGE_FAIL: Client DH key range mismatch with maximum configured DH key on server

SSH Enabled - version 2.0
Authentication timeout: 120 secs; Authentication retries: 3
Minimum expected Diffie Hellman key size : 1024 bits
IOS Keys in SECSH format(ssh-rsa, base64 encoded):
ssh-rsa keystringgoeshere

SSH Server enabled. Port: 22
RSA key was generated.
DSA(DSS) key was generated.
SSH Public Key Authentication is disabled.

router#ssh 5.6.7.8
Password:
[Connection to 5.6.7.8 aborted: error status 0]

SSH2 CLIENT 0:  Channel open failed, reason = 1752134516

SSH Enabled - version 2.0
Authentication methods:publickey,keyboard-interactive,password
Encryption Algorithms:aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc,aes192-cbc,aes256-cbc
MAC Algorithms:hmac-sha1,hmac-sha1-96
Authentication timeout: 120 secs; Authentication retries: 3
Minimum expected Diffie Hellman key size : 1024 bits
IOS Keys in SECSH format(ssh-rsa, base64 encoded):
ssh-rsa keystringgoeshere

SSH Server enabled.  Port: 22
Protocol Levels: Versions 1 and 2.
SSH Connections Currently in Use: ............. 1
Maximum number of SSH Sessions Allowed: ....... 5
SSH Session Timeout: .......................... 600
RSA key was generated.
DSA key was generated.
SSH Public Key Authentication is disabled.