Users Guide

Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON and Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.16.0 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
• When you configure lossless queues on an interface, PFC priority configuration is
not allowed on the dcb-map profile applied on the interface.
• The maximum number of lossless queues globally supported on the switch is two.
The following lists the dot1p priority-queue assignments.
dot1p Value in
the Incoming
Frame
Description heading
0 1
1 0
2 2
3 3
4 4
5 5
6 6
7 7
• Before configuring the port queues to function as no-drop queues, you must first
apply the dcb-map map with pfc mode off. To apply the dcb-map with pfc mode
off, use the following commands: dcb-map pfcoff and no pfc mode on.
show dcb
Displays the data center bridging status, the number of PFC-enabled ports, and the number of PFC-enabled
queues.
Syntax
show dcb
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, see
the relevant Dell Networking OS Command Line Reference Guide.
Data Center Bridging (DCB) 605