10-9
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Chapter 10 Configuring 802.1x Port-Based Authentication
Configuring 802.1x Authentication
Configuring 802.1x Authentication
These sections describe how to configure 802.1x port-based authentication on your switch:
• Default 802.1x Configuration, page 10-9
• 802.1x Configuration Guidelines, page 10-10
• Upgrading from a Previous Software Release, page 10-11
• Enabling 802.1x Authentication, page 10-11 (required)
• Configuring the Switch-to-RADIUS-Server Communication, page 10-13 (required)
• Enabling Periodic Re-Authentication, page 10-14 (optional)
• Manually Re-Authenticating a Client Connected to a Port, page 10-15 (optional)
• Changing the Quiet Period, page 10-15 (optional)
• Changing the Switch-to-Client Retransmission Time, page 10-15 (optional)
• Setting the Switch-to-Client Frame-Retransmission Number, page 10-16 (optional)
• Configuring the Host Mode, page 10-17 (optional)
• Configuring a Guest VLAN, page 10-18 (optional)
• Resetting the 802.1x Configuration to the Default Values, page 10-18 (optional)
• Configuring 802.1x Authentication, page 10-19 (optional)
• Configuring 802.1x Accounting, page 10-20 (optional)
Default 802.1x Configuration
Table 10-1 shows the default 802.1x configuration.
Table 10-1 Default 802.1x Configuration
Feature Default Setting
AAA Disabled.
RADIUS server
• IP address
• UDP authentication port
• Key
• None specified.
• 1812.
• None specified.
Switch 802.1x enable state Disabled.
Per-interface 802.1x enable state Disabled (force-authorized).
The port sends and receives normal traffic without
802.1x-based authentication of the client.
Periodic re-authentication Disabled.
Number of seconds between
re-authentication attempts
3600 seconds.
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