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Qlogic SANbox-16HA Installer's/User's Manual page 92

High availability fibre channel switch

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Sanbox Switch chassis support fabric-wide zones for all zone types. Broadcast
Zones and Name Server Zones require no special consideration in a cascade fabric.
That is, you may assign these zones on a user-port-by-user-port basis and T_Ports
are not zoned.
Hard Zones, however, require zoned T_Port interconnections between chassis
which contain ports in the same Hard Zone. That is, if a particular Hard Zone is
distributed across chassis boundaries, each piece of that Hard Zone and its inter-
connecting T_Ports must be assigned to the same Hard Zone number. This makes
interconnections between pieces of the same Hard Zone much like the interconnec-
tion of chassis.
NOTE:
Also, remember that mixing of topologies is not allowed. If the topology of the
chassis is Cascade, then the interconnection of the Hard Zones must also be
accomplished in Cascade topology.
SANbox fabrics do not support MKII chassis in cascade topologies.

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