Security Commands 838AAA CommandsDell EMC Networking N1100-ON/N1500/N2000/N2100-ON/N3000/N3100-ON/N4000 Series SwitchesDell EMC Networking switches support authentication of network users andswitch administrators via a number of methods. Management access to theswitch is via telnet, HTTP, SSH, or the serial console (SNMP access isdiscussed in the SNMP Commands section). To ensure that only authorizedusers can access or change the configuration of the switch, the administratorcan require that administrative access be authenticated.Administrative AuthenticationSwitch administrators can be authenticated based on:• Login mode• Switch access method• Access to Privileged Exec mode• Two levels of access:– 1 = Read-only– 15 = Read-WriteThe supported authentication methods for switch management access are:• Local: The user's locally stored ID and password are used forauthentication.• RADIUS: The user's ID and password are authenticated using theRADIUS server.• TACACS+: The user's ID and password are authenticated using theTACACS+ server.• None: No authentication is used.• Enable: Uses the enable password for authentication.• Line: Uses the line password for authentication.• Authentication Preference Lists (APLs): An Authentication Preference Listis an ordered list of authentication methods.