Configuration Guide Vol. 2


12.1.2 Support function

<Structure of this section>

(1) Combination of Authentication Functions That Run Multi-Step Authentication and the Authentication Mode

You can use two combinations of IEEE802.1X authentication, Web authentication, and MAC authentication. For details about authentication combinations and authentication modes, see 5.1.1 Layer 2 authentication types.

(2) Multistep Authentication Options

Multi-step authentication includes basic multi-step authentication without option settings and option settings, which are set in the configuration command authentication multi-step. The following table describes the options for multi-step authentication.

Table 12-1: Multi-step authentication options

Terminal authentication

User authentication

Option type

(Configuration*)

Operational overview

MAC-based Authentication

IEEE802.1X or Web authentication

Basic multi-step authentication

(no parameter)

User authentication can be performed only when terminal authentication is successful.

User authentication authorization options

(permissive parameter)

User authentication can be performed even if terminal authentication fails.

IEEE802.1X or MAC-based authentication

Web Authentication

Terminal authentication dot1x Optional

(dot1x parameter)

User authentication can be performed only when terminal authentication is successful.

#

Can be specified for each port.

(3) Authentication method

Multi-step authentication supports only RADIUS authentication method. For terminal authentication, when RADIUS servers receive Access-Accept, the authentication operation is determined by Filter-Id or Tunnel-Private-Group-ID character string. The following table describes the text strings that are set for the attribute names used for multi-step authentication and the corresponding authentication behavior.

Table 12-2 Attribute name used by the RADIUS server

Attribute-name (Type)

Types of RADIUS servers

Character string

Authentication operation

Filter-Id

(11)

RADIUS servers for terminal authentication

@@1X-Auth@@

Authenticate IEEE802.1X as user authentication.

@@Web-Auth@@

Authenticate Web as user authentication.

@@MultiStep@@

Perform Web or IEEE802.1X authentication as user authentication.

Blank (Filter-Id not set) or another character string*1

Authentication succeeds with terminal authentication only (single authentication).

RADIUS servers for user authentication

@@MAC-Auth@@

Used when user authentication authorization option is set. Do not allow user authentication when terminal authentication fails.

Blank (Filter-Id not set) or another character string*1

Used when user authentication authorization option is set. Authorizes user authentication even if terminal authentication fails.

Tunnel-Private-Group-ID

(81)

RADIUS servers for terminal authentication

Character string to identify VLAN *2

Used for dynamic VLAN. Specifies VLAN to which the terminal that was successfully authenticated belongs.

RADIUS servers for user authentication

Character string to identify VLAN *2

Used for dynamic VLAN. Specifies VLAN to which the terminal that successfully authenticated the user belongs.

#1

If you use any other character string, do not include the character string used for multi-step authentication (for example, "@@1X-Auth@@"). The Switch does not recognize it as another character string.

#2

For information about what you specify for strings, see Tunnel-Private-Group-ID used for authentication in IEEE802.1X Authentication, Web Authentication, and MAC Authentication descriptions.