Users Guide

Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
9.8(1.0) Introduced on the Z9100–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 congure lossless queues on an interface, PFC priority conguration is not allowed on the dcb-map
prole 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 conguring the port queues to function as no-drop queues, you must rst apply the dcb-map map with
pfc mode o. To apply the dcb-map with pfc mode o, use the following commands: dcb-map pfcoff and
no pfc mode on.
pfc priority
Congure the CoS trac to be stopped for the specied delay.
Syntax
pfc priority priority-range
To delete the pfc priority conguration, use the no pfc priority command.
Parameters
priority-range Enter the 802.1p values of the frames to be paused. Separate the priority values with a
comma; specify a priority range with a dash; for example, pfc priority 1,3,5-7. The range is
from 0 to 7.
Defaults none
Data Center Bridging (DCB) 479