Dhchap Authentication Modes - Cisco Nexus 5000 Series Configuration Manual

Configuring DHCHAP Authentication
DETAILED STEPS
Command or Action
Step 1
configure terminal
Example:
switch# configure terminal
switch(config)#
Step 2 feature fcsp
Example:
switch(config)# feature fcsp
Step 3 no feature fcsp
Example:
switch(config)# no feature fcsp

DHCHAP Authentication Modes

The DHCHAP authentication status for each interface depends on the configured DHCHAP port mode.
When the DHCHAP feature is enabled in a switch, each Fibre Channel interface or FCIP interface may be
configured to be in one of four DHCHAP port modes:
• On—During switch initialization, if the connecting device supports DHCHAP authentication, the software
• Auto-Active—During switch initialization, if the connecting device supports DHCHAP authentication,
• Auto-Passive (default)—The switch does not initiate DHCHAP authentication, but participates in
• Off—The switch does not support DHCHAP authentication. Authentication messages sent to ports in
Whenever DHCHAP port mode is changed to a mode other than the Off mode, reauthentication is
Note
performed.
The following table identifies switch-to-switch authentication between two Cisco switches in various modes.
Cisco Nexus 5000 Series NX-OS SAN Switching Configuration Guide, Release 5.2(1)N1(1)
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performs the authentication sequence. If the connecting device does not support DHCHAP authentication,
the link is placed in an isolated state.
the software performs the authentication sequence. If the connecting device does not support DHCHAP
authentication, the software continues with the rest of the initialization sequence.
DHCHAP authentication if the connecting device initiates DHCHAP authentication.
this mode return error messages to the initiating switch.
Configuring FC-SP and DHCHAP
Purpose
Enters global configuration mode.
Enables the DHCHAP in this switch.
Disables (default) the DHCHAP in this switch.
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