Users Guide

Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.3(0.0) Introduced on the S4810 and S6000 platforms.
Usage Information The dcb-map stack-unit all stack-ports all command overwrites any previous DCB maps applied
to stack ports.
dcb pfc-shared-buer-size
Congure the maximum amount of shared buer size for PFC packets in kilobytes.
Syntax
dcb pfc-shared—buffer—size buffer-size
Parameters
buer-size Enter a number in the range of 0 to 7787.
Default The default is 832KB.
Command Modes CONFIGURATION mode
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0) Introduced on the S4048-ON.
9.7(0.0) Introduced on the S6000-ON and Z9500.
9.6(0.0) Introduced on the S5000.
9.3(0.0) Introduced on the S4810, S4820T, and S6000 platforms.
Usage Information
Congure the maximum shared buer available for PFC trac. You can choose to increase or decrease the shared
buer that is allocated in the system by default. Congure the shared buer size less than the total PFC buer
size. If the shared buer size is more than the total PFC buer size value, the conguration is not saved and a
system logging message is generated.
Dell(conf)#dcb pfc-shared-buffer-size 3000
% Error: Shared buffer size cannot be greater than the the available buffer in
the system
Dell(conf)#
Enter a smaller value for the shared buer size or increase the total buer size appropriately by using the dcb
pfc-total- buffer-size command.
Example
Dell(conf)#dcb pfc-shared-buffer-size 800
498 Data Center Bridging (DCB)