Cisco Mds 9250I And Cisco Mds 9148S Fabric Switch Buffer-To-Buffer Credit Buffers - Cisco MDS 9000 Series Configuration Manual

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Configuring Interface Buffers
Table 16: 96-Port 16-Gbps Switch Buffer-to-Buffer Credit Buffer Allocation
Buffer-to-Buffer
Credit Buffer
Allocation
Default
buffer-to-buffer
credit buffers
Maximum
buffer-to-buffer
credit buffers
Note
Cisco MDS 9396S is a 16 Gbps line-rate switch.
The following guidelines apply to buffer-to-buffer credit buffers on the 96-port 16-Gbps Fibre Channel switch:
• Buffer-to-buffer credit buffers for ISL connections can be configured from a minimum of 2 buffers to a
• Buffer-to-buffer credit buffers for Fx port mode connections can be configured from a minimum of 2
• Per port credits can be increased up to 4095 using extended buffer to buffer credits if the user has installed
Note
In MDS 9396S Fabric switch, total buffer available are 99600 for 24 port groups. One port group comprises
of 4 ports, and there are 2 port groups per ASIC. Each port-group consists of total 4150 buffers. These buffers
can be allocated to any combination of port(s) using extended buffer configuration. Please refer show
port-resource module module_number command for details about buffers supported by port-groups.

Cisco MDS 9250i and Cisco MDS 9148S Fabric Switch Buffer-to-Buffer Credit Buffers

Table 17: 40/48-Port 16-Gbps Switch Buffer-to-Buffer Credit Buffer Allocation, on page 113
buffer-to-buffer credit buffer allocation for 40/48-port 16-Gbps Cisco MDS 9250i and 9148S Fabric switches.
Table 17: 40/48-Port 16-Gbps Switch Buffer-to-Buffer Credit Buffer Allocation
Buffer-to-Buffer
Credit Buffer
Allocation
Buffer-to-Buffer Credit Buffers Per Port
Dedicated Rate Mode 16-Gbps Speed
ISL
500
500
maximum of 500 buffers.
buffers to a maximum of 500 buffers.
an enterprise license.
Buffer-to-Buffer Credit Buffers Per Port
Dedicated Rate Mode 16-Gbps Speed
ISL
Cisco MDS 9250i and Cisco MDS 9148S Fabric Switch Buffer-to-Buffer Credit Buffers
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
Fx Port
32
500
Fx Port
lists the
113

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