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Understanding IEEE 802.1x Port-Based Authentication
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Device Roles
With IEEE 802.1x port-based authentication, the devices in the network have specific roles as shown in
Figure
Figure 8-1
Workstations
(clients)
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Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
8-2
Using 802.1x Readiness Check, page 8-9
Using Web Authentication, page 8-18
Configuring IEEE 802.1x Authentication, page 8-19
8-1.
IEEE 802.1x Device Roles
Client-the device (workstation) that requests access to the LAN and switch services and responds
to requests from the switch. The workstation must be running IEEE 802.1x-compliant client
software such as that offered in the Microsoft Windows XP operating system. (The client is the
supplicant in the IEEE 802.1x standard.)
To resolve Windows XP network connectivity and IEEE 802.1x authentication issues, read
Note
the Microsoft Knowledge Base article at this URL:
http://support.microsoft.com/support/kb/articles/Q303/5/97.ASP
Authentication server-performs the actual authentication of the client. The authentication server
validates the identity of the client and notifies the switch whether or not the client is authorized to
access the LAN and switch services. Because the switch acts as the proxy, the authentication service
is transparent to the client. In this release, the RADIUS security system with Extensible
Chapter 8
Configuring IEEE 802.1x Port-Based Authentication
Authentication
server
(RADIUS)
OL-8915-03
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