Solaris 11 SSH Login Slowness

Reference: https://thomas.gouverneur.name/2012/04/20120412ssh-connection-to-solaris-11-is-sometimes-slow/


User complained slowness after they type in command "ssh <uid>@host".

Remove GSSAPI and DNS on /etc/ssh/sshd_config .

LookupClientHostnames no 
VerifyReverseMapping no 
GSSAPIAuthentication no