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dcb-buffer-threshold
Configure the profile name for the DCB buffer threshold.
Syntax
dcb buffer—threshold profile-name
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
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.3(0.0) Introduced on the MXL platform.
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
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
priority value buffer-size size pause-threshold threshold-value resume-
offset threshold-value shared-threshold-weight size
Dell(conf-dcb-buffer-thr)#priority 0 buffer-size 52 pause-threshold 16
resume-offset 10 shared-threshold-weight 7
dcb enable pfc-queues
Configure the number of PFC queues.
Syntax
dcb enable pfc-queues value
Parameters
value Enter the number of PFC queues. The range is from 1 to 4. The number of ports
supported based on lossless queues configured will depend on the buffer.
Command Modes CONFIGURATION mode
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.3(0.0) Introduced on the MXL platform.
Usage
Information
You can configure up to a maximum of four lossless (PFC) queues. By configuring four lossless queues,
you can configure four different priorities and assign a particular priority to each application that your
Data Center Bridging (DCB) 393