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Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
Chapter 1 Configuring FC-SP and DHCHAP
DHCHAP
Cisco Nexus 5000 Series switches support authentication features to address physical security (see
Figure 1-1).
Figure 1-1 Switch and Host Authentication
Note Fibre Channel host bus adapters (HBAs) with appropriate firmware and drivers are required for
host-switch authentication.
DHCHAP
DHCHAP is an authentication protocol that authenticates the devices connecting to a switch. Fibre
Channel authentication allows only trusted devices to be added to a fabric, which prevents unauthorized
devices from accessing the switch.
Note The terms FC-SP and DHCHAP are used interchangeably in this chapter.
Storage
Subsytems
Unauthorized
hosts and switches
FC-SP
(DH-CHAP)
FC-SP
(DH-CHAP)
Trusted hosts
RADIUS server
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