> # Persistent FC ID Configuration

> When the persistent FC ID feature is enabled, you can enter the persistent FC ID submode and add static or dynamic entries in the FC ID database. By default, all added entries are static. Persistent FC IDs are configured on a per-VSAN basis. Follow these requirements to manually configure a persistent FC ID:

> - Ensure that the persistent FC ID feature is enabled in the required VSAN.
> - Ensure that the required VSAN is an active VSAN—persistent FC IDs can only be configured on active VSANs.
> - Verify that the domain part of the FC ID is the same as the runtime domain ID in the required VSAN. If the software detects a domain mismatch, the command is rejected.
> - Verify that the port field of the FC ID is 0 (zero) when configuring an area.

> Note FICON uses a different scheme for allocating FC IDs based in the front panel port number. This scheme takes precedence over FC ID persistence in FICON VSANs.

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