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Cisco MDS 9000 Family Configuration Guide
OL-6973-03, Cisco MDS SAN-OS Release 2.x
Chapter 35 Configuring iSCSI
Configuring iSCSI
Figure 35-10 Virtual Host HBA Port
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•
• SCSI_FCP in the FC-4 type field of the name server
Initiator flag in the FC-4 feature of the name server
Vendor-specific iSCSI GW flag in the FC-4 type field to identify the N-port device as a iSCSI
gateway device in the NS.
When all the iSCSI sessions from the iSCSI host are terminated, the IPS modules or MPS-14/2 modules
perform an explicit Fabric logout (FLOGO) to remove the virtual N-port device from the Fibre Channel
SAN (this indirectly de-registers the device from the Fibre Channel Name Server).
For every iSCSI session from the host to the iSCSI virtual target there is a corresponding Fibre Channel
session to the real Fibre Channel target. In Figure 35-10, there are three iSCSI hosts and all three of them
connect to the same Fibre Channel target. There is one Fibre Channel session from each of the three
virtual Fibre Channel hosts to the target.
iSCSIiSCSI
host B
iSCSIiSCSI
host A
iSCSIiSCSI
host C
MDS
Virtual
FC host A
Virtual
FC host B
Virtual
FC host C
Target
T- 1
120876
IP Network