To identify the port that is congested and monitor all the priority groups on that particular port:

Dell#show hardware stack-unit 0 buffer-stats-snapshot unit 0 resource port 1 prio all

Stack-unit: 0 unit: 0 port: 1 (interface Fo 0/0)

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PG# SHARED CELLS HEADROOM CELLS

---------------------------------------

0

0

0

1

0

0

2

0

0

3

0

0

4

0

0

5

0

0

6

0

0

7

0

0

Dell#

 

 

To determine the specific priority group, unicast or multicast queue that is congested and monitor that queue separately:

Dell#show hardware stack-unit

0 buffer-stats-snapshot unit 0

resource port 1 prio 6

 

(interface Fo 0/0)

Stack-unit: 0 unit: 0 port: 1

---------------------------------------

PG#

SHARED CELLS

HEADROOM CELLS

---------------------------------------

6

0

0

 

Dell#show hardware stack-unit

1 buffer-stats-snapshot unit 0

resource port 1 prio 6

 

(interface Te 1/50)

Stack-unit: 1 unit: 0 port: 1

---------------------------------------

PG#

SHARED CELLS

HEADROOM CELLS

---------------------------------------

6

0

0

 

Dell#show hardware stack-unit

1 buffer-stats-snapshot unit 0

resource port 1 prio 6

 

(interface Fo 1/1)

Stack-unit: 1 unit: 0 port: 1

---------------------------------------

PG#

SHARED CELLS

HEADROOM CELLS

---------------------------------------

6

0

0

 

dcb pfc-total-buffer-size

Configure the total buffer size for PFC in kilobytes. This utility is supported on the S6000 platform.

S6000

Syntax

dcb pfc-total—buffer—size KB

Parameters

KB

Enter a number in the range of 0 to 7787.

 

Data Center Bridging (DCB)

517

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Image 517
Dell 9.7(0.0) manual PG# Shared Cells Headroom Cells, Dcb pfc-total-buffer-size KB