Administrator Guide

Field Description
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.
Example
Dell#show run buffer-threshold
!
dcb-buffer-threshold test1
pfc priority 0 buffer-size 40
pfc priority 3 buffer-size 50
!
dcb-buffer-threshold test2
pfc priority 0 buffer-size 80 pause-threshold 50
!
dcb-buffer-threshold test3
pfc priority 0 buffer-size 80 pause-threshold 60 resume-threshold 30
On interface on which PFC is enabled:
Show interface tengigabitethernet 1/1 pfc buffer-threshold
-------------------------------------------------------------------------
Queue# Lossless Buffer-size Pause-threshold Resume-offset Shared
threshold
(KB) (KB) (KB) weight
------------------------------------------------------------------------
0 No - - - -
1 No - - - -
2 Yes - 20 - 9
3 Yes 52 25 15 0
4 Yes - 45 25 5
5 No - - - -
6 No - - - -
7 No - - - -
- Denotes dynamic buffering is enabled in respective queues
On interface on which PFC is enabled:
Show interface gigabitethernet 1/1 pfc buffer-threshold
----------------------------------------------------------------------
Queue# Lossless Buffer-size Pause-threshold Resume-offset Shared
threshold
(KB) (KB) (KB) weight
---------------------------------------------------------------------
0 No - - - -
1 No - - - -
2 Yes - 20 - 9
3 Yes 52 25 15 0
4 Yes - 45 25 5
5 No - - - -
6 No - - - -
7 No - - - -
- Denotes dynamic buffering is enabled in respective queues
On interface on which PFC is enabled:
Show interface tengigabitethernet 1/1/1 pfc buffer-threshold
-------------------------------------------------------------------------
-
Queue# Lossless Buffer-size Pause-threshold Resume-offset Shared
threshold
(KB) (KB) (KB) weight
572
Data Center Bridging (DCB)