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dcb pfc-shared-buffer-size sfm all
Configure the maximum amount of shared buffer size for PFC packets on all sfm ports in kilobytes.
Syntax
dcb pfc-shared-buffer-size <value> sfm all
Parameters
KB Enter a number in the range from 0 to 11210.
Defaults The default is 3328KB for Z9500 platform.
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the Z9500.
Usage
Information
NOTE: Please note that the existing "dcb pfc-shared-total-size / pfc-shared-buffer-size <value>"
without any options is still applicable for Z9500. When executed, it configures the value to both
backplane and sfm units.
Example
dcb pfc-shared-buffer-size 3000 sfm all
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.
Default None
Command Modes CONFIGURATION mode
Command
History
Version Description
9.7(0.0) Introduced on the Z9500.
Usage
Information
When you enter the profile name, you enter the DCB buffer threshold configuration mode. You can
specify the shared buffer threshold limit, the ingress buffer size, buffer limit for pausing the acceptance
of packets, and the buffer offset limit for resuming the acceptance of received packets.
Example
S4810-YU-MR-Dell(conf)#dcb buffer—threshold test
Example of
commands in
dcb buffer—
threshold mode
qos-policy-buffer queue queue-num pause no-drop queue buffer-size
size pause-threshold threshold-value resume-offset threshold-value shared-
threshold-weight size
Dell(conf)# qos-policy-buffer test
Dell(conf-qos-policy-buffer)#queue 0 pause no-drop buffer-size
128000 pause-threshold 103360 resume-threshold 83520
Dell(conf-qos-policy-buffer)# queue 4 pause no-drop buffer-size
128000 pause-threshold 103360 resume-threshold 83520
Data Center Bridging (DCB) 517