Enabling Periodic Reauthentication For An Interface - Cisco Nexus 9000 Series Configuration Manual

Configuring 802.1X

Enabling Periodic Reauthentication for an Interface

You can enable periodic 802.1X reauthentication on an interface and specify how often it occurs. If you do
not specify a time period before enabling reauthentication, the number of seconds between reauthentication
defaults to the global value.
Note During the reauthentication process, the status of an already authenticated supplicant is not disrupted.
Before you begin
Enable the 802.1X feature on the Cisco NX-OS device.
SUMMARY STEPS
1. configure terminal
2. interface ethernet slot/port
3. dot1x re-authentication
4. (Optional) dot1x timeout re-authperiod seconds
5. exit
6. (Optional) show dot1x all
7. (Optional) copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1 configure terminal
Example:
switch# configure terminal
switch(config)#
Step 2
interface ethernet slot/port
Example:
switch(config)# interface ethernet 2/1
switch(config-if)#
Step 3 dot1x re-authentication
Example:
switch(config-if)# dot1x re-authentication
Step 4 (Optional) dot1x timeout re-authperiod seconds
Example:
switch(config-if)# dot1x timeout re-authperiod 3300
Purpose
Enters global configuration mode.
Selects the interface to configure and enters interface
configuration mode.
Enables periodic reauthentication of the supplicants
connected to the interface. By default, periodic
authentication is disabled.
Sets the number of seconds between reauthentication
attempts. The default is 3600 seconds. The range is from 1
to 65535.
This command affects the behavior of the Cisco
Note
NX-OS device only if you enable periodic
reauthentication on the interface.
Cisco Nexus 9000 Series NX-OS Security Configuration Guide, Release 9.x
Enabling Periodic Reauthentication for an Interface
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