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)
---------------------------------------
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
Stack-unit: 0 unit: 0 port: 1 (interface Fo 0/0)
---------------------------------------
PG# SHARED CELLS HEADROOM CELLS
---------------------------------------
6 0 0
Dell#show hardware stack-unit 1 buffer-stats-snapshot unit 0
resource port 1 prio 6
Stack-unit: 1 unit: 0 port: 1 (interface Te 1/50)
---------------------------------------
PG# SHARED CELLS HEADROOM CELLS
---------------------------------------
6 0 0
Dell#show hardware stack-unit 1 buffer-stats-snapshot unit 0
resource port 1 prio 6
Stack-unit: 1 unit: 0 port: 1 (interface Fo 1/1)
---------------------------------------
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)
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