SNIA

A "Fabric Loop" port within a Fibre Channel fabric switch, capable of Fibre Channel Arbitrated Loop operations and connected to one or more NL-Ports via a Fibre Channel Arbitrated Loop.

An FL-Port becomes a shared entry point for public NL-Port devices to a Fibre Channel fabric. FL-Ports are intermediate ports in virtual point-to-point links between end ports that do not reside on the same loop, for example the NL-Port on an end node to the FL-Port on a switch to the F-Port in that switch to the N_Port on that end node through a single Fibre Channel fabric switch.

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