Deployment Guide

Parameters
stack-unit stack-
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. The range is from 0 to 0.
buffer-info Buffer and traffic manager resources usage, where X can be one of the following:
● All - Displays ingress and egress device, port, and queue snapshots
● Interface all queue {all} - egress queue-level snapshot for both unicast and
multicast packets
● Interface all queue ucast {id | all} - egress queue-level snapshot for unicast
packets only
● Interface all queue mcast {id | all} - egress queue-level snapshot for multicast
packets only
● Interface all prio-group {id | all} - ingress priority-group level snapshot
Command Modes
EXEC
EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S3148.
9.8(2.0) Introduced on the S3100 series.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.8(0.0) Added the keyword interface all.
9.7(0.0) Introduced on the S6000-ON.
9.6(0.0) Introduced on the S5000.
9.3(0.0) Introduced on the S6000, S4810, and S4820T.
Usage
Information
The following information is displayed based on the buffer-info type, such as device-level details, queue-
based snapshots, or priority group-level snapshot in the egress and ingress direction of traffic:
● Device-ingress – Displays total buffer accounting usage for the unit.
● Device-egress –Display total buffer usage for the unit, total multicast buffer usage for the unit and
also on per-service-pool basis.
When the buffer-stats-snapshot is disabled, the following informational message is displayed when you
run the show command: %Info: Buffer-stats-snapshot feature is disabled.
Example
DellEMC# show hardware buffer-stats-snapshot resource interface
fortyGigE 0/0 priority-group 7
Unit 0 unit: 0 port: 1 (interface Fo 0/0)
--------------------------------------------------
PG# PRIORITIES SHARED CELLS HEADROOM CELLS
--------------------------------------------------
7 0-2,5 0 0
DellEMC# show hardware buffer-stats-snapshot resource interface
fortyGigE 0/0 priority-group 7
Unit 0 unit: 0 port: 1 (interface Fo 0/0)
--------------------------------------------------
PG# PRIORITIES SHARED CELLS HEADROOM CELLS
Debugging and Diagnostics 493