Enabling Buffer Statistics Tracking - Dell Z9500 Configuration Manual

headroom cells for each priority group. The table returns a value of 0 if the allocation mode is static and a value of 1 if the
allocation mode is dynamic. This table is indexed by linecard number, port number and priority-group number.

Enabling Buffer Statistics Tracking

You can enable the tracking of statistical values of buffer spaces at a global level. The buffer statistics tracking utility operates in
the max use count mode that enables the collection of maximum values of counters.
To configure the buffer statistics tracking utility, perform the following step:
1 Enable the buffer statistics tracking utility and enter the Buffer Statistics Snapshot configuration mode.
CONFIGURATION mode
Dell(conf)#buffer-stats-snapshot
Dell(conf)#no disable
Enable this utility to be able to configure the parameters for buffer statistics tracking. By default, buffer statistics tracking is
disabled.
2 Enable the buffer statistics tracking utility and enter the Buffer Statistics Snapshot configuration mode.
CONFIGURATION mode
Dell(conf)#buffer-stats-snapshot
Dell(conf)#no disable
Enable this utility to be able to configure the parameters for buffer statistics tracking. By default, buffer statistics tracking is
disabled.
3 Use show hardware buffer-stats-snapshot resource interface interface{priority-group { id |
all } | queue { ucast{id | all}{ mcast {id | all} | all} to view buffer statistics tracking resource
information for a specific interface.
EXEC/EXEC Privilege mode
Dell# show hardware buffer-stats-snapshot resource interface fortyGigE 0/0 queue all
Unit 0 unit: 0 port: 1 (interface Fo 0/0)
---------------------------------------
Q# TYPE Q#
---------------------------------------
UCAST 0
UCAST 1
UCAST 2
UCAST 3
UCAST 4
UCAST 5
UCAST 6
UCAST 7
UCAST 8
UCAST 9
UCAST 10
UCAST 11
MCAST 0
MCAST 1
MCAST 2
MCAST 3
MCAST 4
MCAST 5
MCAST 6
MCAST 7
MCAST 8
TOTAL BUFFERED CELLS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Quality of Service (QoS) 692