> # Cisco MDS 9124 Fabric Switch BB_Credit Buffers

> Table 14-12 lists the BB_credit buffer allocation for MDS 9124 Fabric Switches.

> Table 14-12 MDS 9124 Fabric Switch BB_Credit Buffer Allocation Defaults
> BB_Credit Buffer Allocation Type | BB_Credit Buffers Per Port Group | BB_Credit Buffers Per Port Defaults
> --- | --- | ---
> | ISL1 | Fx Port
> Maximum user-configurable BB_credit buffers | 64 | 61 | 61
> Minimum user-configurable BB_credit buffers |  | 2 | 1
> Default BB_credit buffers | 64 | 16 | 16

> 1ISL = E port or TE port.

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