Users Guide

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Disable linuxadmin user
To disable or lock the linuxadmin user, use the system-user linuxadmin disable command in CONFIGURATION mode.
OS10(config)# system-user linuxadmin disable
To re-enable or unlock the linuxadmin user, use the no system-user linuxadmin disable command in CONFIGURATION
mode.
OS10(config)# no system-user linuxadmin disable
AAA authentication
An OS10 switch uses a list of authentication methods to define the types of authentication and the sequence in which they apply. By
default, OS10 uses only the local authentication method.
The authentication methods in the method list execute in the order you configure them. Re-enter the methods to change the order. The
local authentication method remains enabled even if you remove all configured methods in the list using the no aaa
authentication login {console | default} command.
NOTE: If you configure multiple authentication methods on Dell EMC PowerEdge MX7000 Ethernet modules —
MX9116n Fabric Switching Engine and MX5108n Ethernet Switch — operating in SmartFabric mode, you must configure
local authentication as the first method in the list.
• Configure the AAA authentication method in CONFIGURATION mode.
aaa authentication login {console | default} {local | group radius | group tacacs+}
• console — Configure authentication methods for console logins.
• default — Configure authentication methods for non-console such as SSH and Telnet logins.
• local — Use the local username, password, and role entries configured with the username password role command.
• group radius — Configure RADIUS servers using the radius-server host command.
• group tacacs+ — Configure TACACS+ servers using the tacacs-server host command.
Configure user role on server
If a console user logs in with RADIUS or TACACS+ authentication, the role you configured for the user on the RADIUS or TACACS+ server
applies. User authentication fails if no role is configured on the authentication server.
Also, you must configure the user role on the RADIUS or TACACS+ server using the vendor-specific attribute (VSA) or the authentication
fails. Dell EMC's vendor ID is 674. Create a VSA with Name = Dell-group-name, OID = 2, Type = string. Valid values for
Dell-group-name are sysadmin, secadmin, netadmin, and netoperator. Use the VSA Dell-group-name values when you create
users on a Radius or TACACS+ server.
For detailed information about how to configure vendor-specific attributes on a RADIUS or TACACS+ server, see the respective RADIUS
or TACACS+ server documentation.
Configure AAA authentication
OS10(config)# aaa authentication login default group radius local
OS10(config)# do show running-configuration aaa
aaa authentication login default group radius local
aaa authentication login console local
Remove AAA authentication methods
OS10(config)# no aaa authentication login default
OS10(config)# do show running-configuration aaa
aaa authentication login default local
aaa authentication login console local
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