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Configuring the Switch
3-42
3
Command Attributes
• User Name* – The name of the user.
(Maximum length: 8 characters)
• Access Level* – Specifies the user level.
(Options: Normal and Privileged)
• Password – Specifies the user password.
(Range: 0-8 characters plain text, case sensitive)
* CLI only.
Web – Click Security, Passwords. To change the password for the current user,
enter the old password, the new password, confirm it by entering it again, then click
Apply.
Figure 3-20. Setting Passwords
CLI – Assign a user name to access-level 15 (i.e., administrator), then specify the
password.
Configuring Local/Remote Logon Authentication
Use the Authentication Settings menu to restrict management access based on
specified user names and passwords. You can manually configure access rights on
the switch, or you can use a remote access authentication server based on RADIUS
or TACACS+ protocols.
Remote Authentication Dial-in
User Service (RADIUS) and
Terminal Access Controller
Access Control System Plus
(TACACS+) are logon
authentication protocols that use
software running on a central
server to control access to
RADIUS-aware or TACACS-
aware devices on the network.
An authentication server contains
Console(config)#username bob access-level 15 4-25
Console(config)#username bob password 0 smith
Console(config)#
Web
Telnet
RADIUS/
TACACS+
server
console
1. Client attempts management access.
2. Switch contacts authentication server.
3.Authenticationserverchallengesclient.
4. Client responds with proper password or key.
5.Authenticationserverapproves access.
6. Switch grants management access.