About The Dhchap Timeout Value; Configuring The Dhchap Timeout Value; Configuring Dhchap Aaa Authentication; Displaying Protocol Security Information - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual
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About the DHCHAP Timeout Value
About the DHCHAP Timeout Value
During the DHCHAP protocol exchange, if the Cisco Nexus 5000 Series switch does not receive the expected
DHCHAP message within a specified time interval, authentication failure is assumed. The time ranges from
20 (no authentication is performed) to 1000 seconds. The default is 30 seconds.
When changing the timeout value, consider the following factors:
• The existing RADIUS and TACACS+ timeout values.
• The same value must also be configured on all switches in the fabric.
Configuring the DHCHAP Timeout Value
To configure the DHCHAP timeout value, perform this task:
Procedure
Step 1
Step 2
Step 3
Configuring DHCHAP AAA Authentication
You can configure AAA authentication to use a RADIUS or TACACS+ server group. If AAA authentication
is not configured, local authentication is used by default.
Displaying Protocol Security Information
Use the show fcsp commands to display configurations for the local database.
The following example shows how to display the DHCHAP configuration for the specified interface:
switch# show fcsp interface fc2/4
fc2/4:
The following example shows how to display DHCHAP statistics for the specified interface:
switch# show fcsp interface fc2/4 statistics
The following example shows how to display the FC-SP WWN of the device connected to the specified
interface:
switch# show fcsp interface fc2/1 wwn
The following example shows how to display the hash algorithm and DHCHAP groups configured in the
switch:
switch# show fcsp dhchap
The following example shows how to display the DHCHAP local password database:
switch# show fcsp dhchap database
Use the ASCII representation of the device WWN to configure the switch information on RADIUS and
TACACS+ servers.
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
632
Command or Action
switch# configuration terminal
switch(config)# fcsp timeout timeout
switch(config)# no fcsp timeout timeout
fcsp authentication mode:SEC_MODE_ON
Status: Successfully authenticated
Configuring FC-SP and DHCHAP
Purpose
Enters configuration mode.
Configures the reauthentication timeout to the
specified value. The unit is seconds.
Reverts to the factory default of 30 seconds.
OL-16597-01
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