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Cisco Catalyst 3120 User Manual

Cisco Catalyst 3120
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CHAPTER
7-1
Cisco Catalyst Blade Switch 3120 for HP Software Configuration Guide
OL-12247-01
7
Configuring Switch-Based Authentication
This chapter describes how to configure switch-based authentication on the switch. Unless otherwise
noted, the term switch refers to a standalone switch and to a switch stack.
This chapter consists of these sections:
Preventing Unauthorized Access to Your Switch, page 7-1
Protecting Access to Privileged EXEC Commands, page 7-2
Controlling Switch Access with TACACS+, page 7-10
Controlling Switch Access with RADIUS, page 7-17
Controlling Switch Access with Kerberos, page 7-31
Configuring the Switch for Local Authentication and Authorization, page 7-36
Configuring the Switch for Secure Shell, page 7-37
Configuring the Switch for Secure Socket Layer HTTP, page 7-42
Configuring the Switch for Secure Copy Protocol, page 7-49
Preventing Unauthorized Access to Your Switch
You can prevent unauthorized users from reconfiguring your switch and viewing configuration
information. Typically, you want network administrators to have access to your switch while you restrict
access to users who dial from outside the network through an asynchronous port, connect from outside
the network through a serial port, or connect through a terminal or workstation from within the local
network.
To prevent unauthorized access into your switch, you should configure one or more of these security
features:
At a minimum, you should configure passwords and privileges at each switch port. These passwords
are locally stored on the switch. When users attempt to access the switch through a port or line, they
must enter the password specified for the port or line before they can access the switch. For more
information, see the “Protecting Access to Privileged EXEC Commands” section on page 7-2.
For an additional layer of security, you can also configure username and password pairs, which are
locally stored on the switch. These pairs are assigned to lines or ports and authenticate each user
before that user can access the switch. If you have defined privilege levels, you can also assign a
specific privilege level (with associated rights and privileges) to each username and password pair.
For more information, see the “Configuring Username and Password Pairs” section on page 7-6.

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Cisco Catalyst 3120 Specifications

General IconGeneral
BrandCisco
ModelCatalyst 3120
CategorySwitch
LanguageEnglish

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