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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
iSCSI Initiator Idle Timeout
WWN Assignment for iSCSI Initiators
An iSCSI host is mapped to an N port’s WWNs by one of the following mechanisms:
• Dynamic mapping (default)
• Static mapping
Dynamic Mapping
The WWNs are allocated from the MDS switch's WWN pool. The WWN mapping to the iSCSI host is
maintained as long as the iSCSI host has at least one iSCSI session to the IPS port. When all iSCSI
sessions from the host are terminated and the IPS module or MPS-14/2 module performs an FLOGO for
the virtual N port of the host, the WWNs are released back to the switch's Fibre Channel WWN pool.
These addresses are then available for assignment to other iSCSI hosts requiring access to the Fibre
Channel Fabric.
Dynamic mapping is the default mode of operation.
Static Mapping
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Tip system-assign