Configuring AAA 217

RADIUS server generally uses a proxy function of the devices, like access server, to perform user authentication. The operation process is as follows:

1Send client username and encrypted password to RADIUS server.

2User receives one of the following response messages:

ACCEPT: Indicates that the user has passed the authentication

REJECT: Indicates that the user has not passed the authentication and needs to input username and password again, otherwise he will be rejected from access.

Implementing AAA/RADIUS on Ethernet Switch

As described above, the Switch 7750, serving as the user access device, or NAS, is the RADIUS client. Figure 57 illustrates the RADIUS authentication network.

Figure 57 Networking with Switch 7750 Applying RADIUS Authentication

PC use1

Authentication

server

 

PC user2

Accountin server1

Switch 7700

Switch 7700

ISP1

PC user3

Switch 7700

PC user4

Internet

Switch 7700

ISP2

Configuring AAA

AAA configuration includes tasks that are described in the following sections:

 

Creating/Deleting an ISP Domain

 

Configuring Relevant Attributes of an ISP Domain

 

Creating a Local User

 

Setting Attributes of a Local User

 

Disconnecting a User by Force

 

Among the above configuration tasks, creating an ISP domain is required,

 

otherwise the supplicant attributes cannot be distinguished. The other tasks are

 

optional. You can configure them as required.

 

Creating/Deleting an ISP Domain

 

An ISP domain is a group of users belonging to the same ISP. Taking

 

gw20010608@3com163.net as an example in the userid@isp-name format, the

 

isp-name (i.e. 3com163.net) following the @ is the ISP domain name. When the

 

Switch 7750 controls user access, as for an ISP user whose username is in

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3Com 10014298 manual Configuring AAA, Implementing AAA/RADIUS on Ethernet Switch, Creating/Deleting an ISP Domain