10-2
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Chapter 10 Configuring IEEE 802.1x Port-Based Authentication
Understanding IEEE 802.1x Port-Based Authentication
• IEEE 802.1x Accounting, page 10-9
• IEEE 802.1x Accounting Attribute-Value Pairs, page 10-9
• Using IEEE 802.1x Authentication with VLAN Assignment, page 10-10
• Using IEEE 802.1x Authentication with Per-User ACLs, page 10-11
• Using IEEE 802.1x Authentication with Guest VLAN, page 10-13
• Using IEEE 802.1x Authentication with Restricted VLAN, page 10-14
• Using IEEE 802.1x Authentication with Inaccessible Authentication Bypass, page 10-15
• Using IEEE 802.1x Authentication with Voice VLAN Ports, page 10-16
• Using IEEE 802.1x Authentication with Port Security, page 10-17
• Using IEEE 802.1x Authentication with Wake-on-LAN, page 10-18
• Using IEEE 802.1x Authentication with MAC Authentication Bypass, page 10-18
• Using Network Admission Control Layer 2 IEEE 802.1x Validation, page 10-19
• Using Multidomain Authentication, page 10-20
• Using Web Authentication, page 10-21
Device Roles
With IEEE 802.1x port-based authentication, the devices in the network have specific roles, as shown
in Figure 10-1.
Figure 10-1 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.)
Note To resolve Windows XP network connectivity and IEEE 802.1x authentication issues, read
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
101229
Workstations
(clients)
Authentication
server
(RADIUS)
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