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59229-05 A 2-1
2 Planning
Consider the following when planning a fabric:
Devices
Device Access
Performance
Feature Licensing
Multiple Chassis Fabrics
Switch Services
Internet Protocol Support
Security
Fabric Management
Devices
When planning a fabric, consider the following:
The number of devices and the anticipated demand. This will determine the
number of ports that are needed and the number of switches.
The transmission speeds of your HBAs and SFPs. The SFP ports support
1-Gbps, 2-Gbps, and 4-Gbps transmission speeds depending on the SFP.
8-Gbps I/O blades also support 8-Gbps.
The distribution of target and initiator devices. An F_Port supports a single
device. An FL_Port can support up to 126 devices in an arbitrated loop.
NOTE:
Setting an SFP port to 1-Gbps that has an 8-Gbps SFP transceiver will down
the port.