SunSSH is default on Solaris/OpenSolaris/Illumos. SunSSH does not support the IdentitiesOnly option. 'vagrant ssh' works when the options is not supplied.
SunSSH is default on Solaris/OpenSolaris/Illumos. SunSSH does not support the IdentitiesOnly option. 'vagrant ssh' works when the options is not supplied.