Administrator Guide

show hardware stack-unit buffer-stats-snapshot
View the buffer statistics tracking resource information with polling details and historical snapshots.
Syntax
show hardware stack-unit stack-unit-number buffer-stats-snapshot unit number
resource X history Y
Parameters
stack-unit unit-
number
Unique ID of the stack unit to select a particular stack member and then enter one of
the following command options to display a collection of data based on the option
entered.
buffer-stats-
snapshot unit
number
Display the historical snapshot of buffer statistical values
unit Enter the keyword unit along with a port-pipe number, then the keyword counters
to display the counters on the selected port-pipe. The range is 0 to 0.
resource X Buffer and traffic manager resources usage, where X can be one of the following:
● All - Ingress and Egress resources snapshots
● Port {id |all} queue {all} - egress queue-level snapshot for both unicast and
multicast packets
● Port {id |all} queue ucast {id | all} - egress queue-level snapshot for unicast
packets only
● Port {id |all} queue mcast {id | all} - egress queue-level snapshot for multicast
packets only
● Port {id |all} prio-group {id | all} - ingress priority-group level snapshot
history Y Historical snapshot details of buffer space statistics, where Y can be one of the
following:
● Instance {all | id} - Displays the information for all instances or the specified
instance of the snapshot.
● Summary - Displays the consolidated information pertaining to the preceding
three instances of the snapshot values collected in history.
Command Modes
EXEC
EXEC Privilege
Command
History
Version Description
9.9(0.0) Introduced on the C9010.
9.7(0.0) Introduced on the S6000-ON.
9.3(0.0) Introduced on the S6000 platform.
Usage
Information
When you enter the instance all option, show hardware stack-unit unit-number buffer-
stats-snapshot unit 0 resource X output for all available instances on the history collection is
displayed.
When you enter the instance id option, show hardware stack-unit unit-number buffer-
stats-snapshot unit 0 resource X for specified instance alone is displayed.
When you enter the summaryoption, show hardware stack-unit stack-unit-number buffer-
stats-snapshot unit 0 resource X will be enhanced to display the total buffered cells, shared
cells, headroom cells for last 5 instances in the table format.
If information for specified instance id is not available when you enter the show command, which occurs if
you issue the command before the time elapsed for the snapshot to be captured for that instance ID, the
following informational message is displayed on the console:%Info: Data for instance id id is
not available.
If information for specified instance id id is not available when you enter the show command, which occurs if
you issue the command before the time elapsed for the snapshot to be captured for that instance ID, the
564 Data Center Bridging (DCB)