You can log in to the Advanced Authentication Linux PAM Client in the offline mode (when the Advanced Authentication server is not available) for non-local accounts of the authentication chains. The authentication methods that support the offline mode are:
Bluetooth
NOTE:The Bluetooth method is not available from the Advanced Authentication 6.4 Service Pack 1 release.
Emergency Password
LDAP Password
Password
PKI
HOTP and TOTP
Smartphone (offline mode)
Card
FIDO U2F
NOTE:Advanced Authentication secures SSH by providing multi-factor authentication only for the methods that do not require Advanced Authentication Device Service. Advanced Authentication does not support the multi-factor authentication to a Terminal or SSH for the domain users when Linux machine is used in a non-domain mode.