Dell Networking S6000 Uživatelský manuál stáhnout pdf (Strana 69)

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line vty 0

access-class myvtyacl

Dell Networking OS Behavior: Prior to Dell Networking OS version 7.4.2.0, in order to deny access on a

VTY line, apply an ACL and accounting, authentication, and authorization (AAA) to the line. Then users are

denied access only after they enter a username and password. Beginning in Dell Networking OS version

7.4.2.0, only an ACL is required, and users are denied access before they are prompted for a username

and password.

Configuring Login Authentication for Terminal Lines

You can use any combination of up to six authentication methods to authenticate a user on a terminal

line.

A combination of authentication methods is called a method list. If the user fails the first authentication

method, Dell Networking OS prompts the next method until all methods are exhausted, at which point

the connection is terminated. The available authentication methods are:

enable

Prompt for the enable password.

line

Prompt for the password you assigned to the terminal line. Configure a password

for the terminal line to which you assign a method list that contains the line

authentication method. Configure a password using the password command from

LINE mode.

local

Prompt for the system username and password.

none

Do not authenticate the user.

radius

Prompt for a username and password and use a RADIUS server to authenticate.

tacacs+

Prompt for a username and password and use a TACACS+ server to authenticate.

1. Configure an authentication method list. You may use a mnemonic name or use the keyword

default. The default authentication method for terminal lines is

local and the default method list is

empty.

CONFIGURATION mode

aaa authentication login {method-list-name | default} [method-1] [method-2]

[method-3] [method-4] [method-5] [method-6]

2. Apply the method list from Step 1 to a terminal line.

CONFIGURATION mode

3. If you used the line authentication method in the method list you applied to the terminal line,

configure a password for the terminal line.

LINE mode

password

Example of Terminal Line Authentication

In the following example, VTY lines 0-2 use a single authentication method, line.

Dell(conf)#aaa authentication login myvtymethodlist line

Dell(conf)#line vty 0 2

Dell(config-line-vty)#login authentication myvtymethodlist

Dell(config-line-vty)#password myvtypassword

Management

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 985 986

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