Version
Description
9.3(0.0)
Introduced on the S4810, S4820T, and S6000 platforms.
Usage Information
Configure the maximum shared buffer available for PFC traffic. You can choose to increase or decrease the shared
buffer that is allocated in the system by default. Configure the shared buffer size less than the total PFC buffer
size. If the shared buffer size is more than the total PFC buffer size value, the configuration 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 buffer size or increase the total buffer size appropriately by using the
dcb
pfc-total- buffer-size
command.
Example
Dell(conf)#dcb pfc-shared-buffer-size 800
dcb pfc-headroom-buffer-size
Configure a shared head room pool limit, which is the threshold value for the shared head room pool size.
Syntax
dcb pfc-headroom-buffer-size
buffer-size
To undo the shared head room pool limit configuration, use the
no dcb pfc-headroom-buffer-size
buffer-size
command.
Parameters
buffer-size
Enter the maximum buffer value that you want to allocate for the shared head room pool.
Each lossless Priority or Priority Group can use up to the peak head room configured for
that particular priority from the shared head room configured. The range is from 0 to
3399.
Defaults
1040 KB.
Command Modes
CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, see the relevant
Dell Networking
OS Command Line Reference Guide
.
Version
Description
9.11(2.0)
Introduced on the Z9100-ON and S6100-ON.
Example
dcb-buffer-threshold
Configure the profile name for the DCB buffer threshold.
Syntax
dcb buffer—threshold
Parameters
profile-name
Enter the name of the profile, which can be a string of up to 32 characters in length.
Data Center Bridging (DCB)
501
