About CFS Regions
A CFS region is a subset of switches in a switch fabric, on which a feature's configuration is distributed. CFS regions are designed to restrict the distribution of a feature's configuration to specific switches in a fabric.
Note You can only configure a CFS region on physical switches in a SAN. You cannot configure a CFS region in a VSAN.
You can configure a CFS region to distribute configurations for multiple features. However on a given switch, you can configure only one CFS region at a time to distribute the configuration for a given feature. Once you assign a feature to a CFS region, its configuration cannot be distributed within another CFS region.
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