The administrator can select among authentication methods to control logins to the following components:The authentication method chosen for the KVM/netPlus is used for subsequent access through Telnet, SSH, or the WMI.The following table describes the supported authentication methods and indicates which methods are available for the KVM/netPlus and which are available for KVM ports. All authentication methods except “Local” and “OTP” require an authentication server, which the administrator specifies while selecting the authentication method. The KVM/netPlus uses local authentication if any of the authentication servers fails.
Authentication
Type All
KVM Ports Uses user/password file for local authentication. Authentication is performed locally first, switching to Radius if unsuccessful. Authentication is performed locally first, switching to TacacsPlus if unsuccessful. Authentication is performed locally first, switching to NIS if unsuccessful. Uses Kerberos network authentication protocol Uses local authentication if Kerberos authentication fails Uses local authentication if Kerberos server is down Uses LDAP (Light-weight directory access protocol) Uses local authentication if LDAP authentication fails Uses local authentication if LDAP server is down Uses local authentication if NIS authentication fails Uses local authentication if NIS server is down Uses RADIUS authentication Uses local authentication if RADIUS authentication fails Uses local authentication if RADIUS server is down Uses Terminal Access Controller Access Control System (TACACS+) authentication. Uses local authentication if TACACS+ authentication fails Uses local authentication if TACACS+ server is down Uses SMB authentication for Microsoft Windows NT/2000/2003 Uses local authentication if NTLM server is down Uses One-Time- Password (OPIE) authentication method for dial-in through a modem PCMCIA card.