Since upgrading NOS code, the user "user", or otheruser created accounts are unable to login to the switch using SSH protocol.
After providing the login credentials, the SSH connection immediately closes.
The same user is able to login successfully using telnet protocol.
Symptom when login via SSH:
sw0:root> ssh user@localhost
Connection to localhost closed.
Symptom when login via telnet:
sw0:root> telnet localhost
Connected to localhost.
Escape character is '^'.
Network OS (sw0)
sw0 login: user