Dell#show interface tengigabitethernet 1/20 pfc buffer- threshold

The following table describes the output fields displayed for the show interface pfc buffer-thresholdcommand:

Field

Description

 

 

queue

Number of the queue

lossless

Whether the queue is a lossy or lossless

 

queue for which buffer threshold is

 

configured

buffer-size

Ingress buffer size

pause-threshold-value

Buffer limit at which the port sends the

 

pause to peer in KB.

resume-threshold-value

Buffer offset limit at which the port

 

resumes the peer in KB.

shared threshold weight

Weightage of the priorities on the

 

shared buffer size in the system.

dcb pfc-queues

Configure the number of PFC queues. This utility is supported on the and S6000platforms.

Syntax

dcb pfc-queues value

Parameters

value

Enter the number of PFC queues in the range of 0 through 4.

 

The number of ports supported based on lossless queues configured will depend on the buffer.

Default

Command Modes

Command History

The default number of PFC queues in the system is 2 for S4810 and 1 for S6000 platforms.

CONFIGURATION mode

Version

Description

9.7(0.0)

Introduced on the S6000-ON.

9.3(0.0)

Introduced on the S4810 and S6000 platforms.

Usage

You can configure up to a maximum of four lossless (PFC) queues. By configuring

Information

four lossless queues, you can configure four different priorities and assign a

 

particular priority to each application that your network is used to process. For

 

example, you can assign a higher priority for time-sensitive applications and a

 

lower priority for other services, such as file transfers. You can configure the

 

amount of buffer space to be allocated for each priority and the pause or resume

520

Data Center Bridging (DCB)

Page 520
Image 520
Dell 9.7(0.0) manual Dcb pfc-queues value, Default Command Modes Command History