60 Summit 200 Series Switch Installation and User Guide
Managing the Switch
Displaying SNMP Settings
To display the SNMP settings configured on the switch, use the following command:
show management
This command displays the following information:
• Enable/disable state for Telnet, SSH2, and SNMP
• SNMP community strings
• Authorized SNMP station list
• SNMP trap receiver list
• RMON polling configuration
• Login statistics
Authenticating Users
ExtremeWare provides two methods to authenticate users who login to the switch:
• Radius client
• TACACS+
RADIUS Client
Remote Authentication Dial In User Service (RADIUS, RFC 2138) is a mechanism for authenticating and
centrally administrating access to network nodes. The ExtremeWare RADIUS client implementation
allows authentication for Telnet or console access to the switch.
NOTE
You cannot configure RADIUS and TACACS+ at the same time.
You can define a primary and secondary RADIUS server for the switch to contact. When a user
attempts to login using Telnet, http, or the console, the request is relayed to the primary RADIUS server,
and then to the secondary RADIUS server, if the primary does not respond. If the RADIUS client is
enabled, but access to the RADIUS primary an secondary server fails, the switch uses its local database
for authentication.
The privileges assigned to the user (admin versus nonadmin) at the RADIUS server take precedence
over the configuration in the local switch database.
Per-Command Authentication Using RADIUS
The RADIUS implementation can be used to perform per-command authentication. Per-command
authentication allows you to define several levels of user capabilities by controlling the permitted
command sets based on the RADIUS username and password. You do not need to configure any
additional switch parameters to take advantage of this capability. The RADIUS server implementation
automatically negotiates the per-command authentication capability with the switch. For examples on
per-command RADIUS configurations, see “Configuring RADIUS Client” on page 61.
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