
Configuring the Cisco Gigabit EtherSwitch EHWIC
How to Configure Gigabit EtherSwitch EHWICs
19
Configuring the Cisco Gigabit EtherSwitch EHWIC
OL-23155-01
Configuring 802.1x Authentication
This section describes how to configure 802.1x port-based authentication on an EtherSwitch EHWIC:
• Understanding the Default 802.1x Configuration, page 19
• Enabling 802.1x Authentication, page 20
• Configuring the Switch-to-RADIUS-Server Communication, page 22
• Enabling Periodic Reauthentication, page 23
• Changing the Quiet Period, page 24
• Changing the Switch-to-Client Retransmission Time, page 25
• Setting the Switch-to-Client Frame-Retransmission Number, page 26
• Enabling Multiple Hosts, page 27
• Resetting the 802.1x Configuration to the Default Values, page 28
• Displaying 802.1x Statistics and Status, page 29
Understanding the Default 802.1x Configuration
Table 2 shows the default 802.1x configuration.
Table 2 Default 802.1x Configuration
Feature Default Setting
Authentication, authorization, and
accounting (AAA)
Disabled.
RADIUS server
• IP address
• UDP authentication port
• Key
• None specified
• 1645
• None specified
Per-interface 802.1x enable state Disabled (force-authorized).
The port transmits and receives normal traffic without
802.1x-based authentication of the client.
Periodic reauthentication Disabled.
Number of seconds between
reauthentication attempts
3600 seconds.
Quiet period 60 seconds (number of seconds that the switch remains in
the quiet state following a failed authentication exchange
with the client).
Retransmission time 30 seconds (number of seconds that the switch waits for
a response to an EAP request/identity frame from the
client before retransmitting the request).
Maximum retransmission number 2 times (number of times that the switch sends an
EAP-request/identity frame before restarting the
authentication process).
Multiple host support Disabled.
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