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Chapter 8
Configuring IEEE 802.1x Port-Based Authentication
Table 8-1
Table 8-1
Attribute Number
Attribute[1]
Attribute[4]
Attribute[5]
Attribute[8]
Attribute[25]
Attribute[30]
Attribute[31]
Attribute[40]
Attribute[41]
Attribute[42]
Attribute[43]
Attribute[44]
Attribute[45]
Attribute[46]
Attribute[49]
Attribute[61]
1. The Framed-IP-Address AV pair is sent only if a valid Dynamic Host Control Protocol (DHCP) binding
You can view the AV pairs that are being sent by the switch by entering the debug radius accounting
privileged EXEC command. For more information about this command, see the Cisco IOS Debug
Command Reference, Release 12.2 at this URL:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_command_reference_book09186a008
00872ce.html
For more information about AV pairs, see RFC 3580, "IEEE 802.1X Remote Authentication Dial In User
Service (RADIUS) Usage Guidelines."
Using 802.1x Readiness Check
The 802.1x readiness check monitors IEEE 802.1x activity on all the switch ports and displays
information about the devices connected to the ports that support IEEE 802.1x. You can use this feature
to determine if the devices connected to the switch ports are IEEE 802.1x-capable. You use an alternate
authentication such as MAC authentication bypass or web authentication for the devices that do not
support IEEE 802.1x functionality.
This feature only works if the supplicant on the client supports a query with the NOTIFY EAP
notification packet. The client must respond within the IEEE 802.1x timeout value.
For information on configuring the switch for the 802.1x readiness check, see the
Readiness Check" section on page
OL-8915-03
lists the AV pairs and when they are sent by the switch:
Accounting AV Pairs
AV Pair Name
User-Name
NAS-IP-Address
NAS-Port
Framed-IP-Address
Class
Called-Station-ID
Calling-Station-ID
Acct-Status-Type
Acct-Delay-Time
Acct-Input-Octets
Acct-Output-Octets
Acct-Session-ID
Acct-Authentic
Acct-Session-Time
Acct-Terminate-Cause
NAS-Port-Type
exists for the host in the DHCP snooping bindings table.
Understanding IEEE 802.1x Port-Based Authentication
START
INTERIM
Always
Always
Always
Always
Always
Always
Never
Sometimes
Always
Always
Always
Always
Always
Always
Always
Always
Always
Always
Never
Never
Never
Never
Always
Always
Always
Always
Never
Never
Never
Never
Always
Always
8-23.
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
STOP
Always
Always
Always
1
1
Sometimes
Always
Always
Always
Always
Always
Always
Always
Always
Always
Always
Always
Always
"Configuring 802.1x
8-9
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