priority

Configure the priority for the PFC threshold to be allocated to the buffer space parameters. This utility is supported on the S6000 platforms.

Syntaxpriority value buffer-size size pause-threshold threshold-valueresume-offset threshold-valueshared-threshold-weight size

Parameters

Specify the priority of the queue for which the buffer space

priority

 

settings apply

value

Enter a number in the range of 0 to 7 to denote the priority

 

to be allocated to the dynamic buffer control mechanism

buffer-size

Ingress buffer size

size

Size of the ingress buffer in KB. Enter a number in the range

 

of 0 to 7787. The default is 45 KB.

pause-

Buffer limit for pause frames to be sent

threshold

 

threshold-

Buffer limit at which the port sends the pause to peer in KB.

value

Enter a number in the range of 0 to 7787. The default is 10

 

KB.

resume-offset

Buffer offset limit for resuming in KB

threshold-

Buffer offset limit at which the port resumes the peer in KB.

value

Enter a number in the range of 1 to 7787. The default is 10

 

KB.

shared-

Buffer shared threshold weight

threshold-

 

weight

 

size

Weightage of the priorities on the shared buffer size in the

 

system. Enter a number in the range of 0 to 9. The default

 

shared threshold weight is 10.

Default

Command Modes

Command History

Usage Information

The default size of the ingress buffer is 45 KB. The default buffer limit at which the port sends the pause to peer and recommences the sending of packets to the peer is 10 KB. The default threshold weight of the shared buffer space is 10.

DCB-BUFFER-THRESHOLD mode

Version

Description

9.7(0.0)

Introduced on the S6000-ON.

9.3(0.0)

Introduced on the S4810, S4820T, and S6000 platforms.

For each priority, 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. When PFC detects

506

Data Center Bridging (DCB)

Page 506
Image 506
Dell 9.7(0.0) manual Priority