> # Distributing Device Alias Services

> All switches in the Cisco MDS 9000 Family support Distributed Device Alias Services (device alias) on a per-VSAN basis and on a fabric-wide basis. Device alias distribution allows you to move host bus adapters (HBAs) between VSANs without manually reentering alias names.

> This chapter includes the following topics:

> - Information About Device Aliases
> - Guidelines and Limitations
> - Default Settings
> - Configuring Device Aliases
> - Field Descriptions for Device Aliases
> - Additional References

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