> # Information About Interface Buffers

> Fibre Channel interfaces use buffer credits to ensure all packets are delivered to their destination.

> This section includes the following topics:

> - Buffer-to-Buffer Credits
> - Performance Buffers
> - Buffer Pools
> - BB_Credit Buffers for Switching Modules
> - BB_Credit Buffers for Fabric Switches
> - Extended BB_Credits
> - Buffer-to-Buffer Credit Recovery
> - Buffer-to-Buffer State Change Number
> - Receive Data Field Size

> Copyright 2010-2015, Cisco Systems, Inc. All rights reserved.