server-cert <certificate> ca-cert <certificate>

Configuring User and Machine Authentication

When a Windows device boots, it logs onto the network domain using a machine account. Within the domain, the device is authenticated before computer group policies and software settings can be executed; this process is known as machine authentication. Machine authentication ensures that only authorized devices are allowed on the network.

You can configure 802.1x for both user and machine authentication (select the Enforce Machine Authentication option described in Table 61). This tightens the authentication process further since both the device and user need to be authenticated.

Working with Role Assignment with Machine Authentication Enabled

When you enable machine authentication, there are two additional roles you can define in the 802.1x authentication profile:

Machine authentication default machine role

Machine authentication default user role

While you can select the same role for both options, you should define the roles as per the polices that need to be enforced. Also, these roles can be different from the 802.1x authentication default role configured in the AAA profile.

With machine authentication enabled, the assigned role depends upon the success or failure of the machine and user authentications. In certain cases, the role that is ultimately assigned to a client can also depend upon attributes returned by the authentication server or server derivation rules configured on the controller.

Table 62 describes role assignment based on the results of the machine and user authentications.

Table 62: Role Assignment for User and Machine Authentication

Machine

User

 

 

Auth

Auth

Description

Role Assigned

Status

Status

 

 

Failed

Failed

Both machine authentication and user

No role assigned. No access to the network

 

 

authentication failed. L2 authentication

allowed.

 

 

failed.

 

 

 

 

 

Failed

Passed

Machine authentication fails (for example,

Machine authentication default user role

 

 

the machine information is not present on

configured in the 802.1x authentication

 

 

the server) and user authentication

profile.

 

 

succeeds. Server-derived roles do not apply.

 

 

 

 

 

Passed

Failed

Machine authentication succeeds and user

Machine authentication default machine

 

 

authentication has not been initiated. Server-

role configured in the 802.1x authentication

 

 

derived roles do not apply.

profile.

 

 

 

 

Passed

Passed

Both machine and user are successfully

A role derived from the authentication

 

 

authenticated. If there are server-derived

server takes precedence. Otherwise, the

 

 

roles, the role assigned via the derivation

802.1x authentication default role configured

 

 

take precedence. This is the only case

in the AAA profile is assigned.

 

 

where server-derived roles are applied.

 

 

 

 

 

For example, if the following roles are configured:

802.1x authentication default role (in AAA profile): dot1x_user

Machine authentication default machine role (in 802.1x authentication profile): dot1x_mc

201 802.1X Authentication

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

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Dell 6.2 manual Configuring User and Machine Authentication, Machine User Auth Description Role Assigned Status

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