Users Guide

Version Description
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
Command Modes INTERFACE
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.7(0.0) Introduced on the Z9500.
Data Center Bridging (DCB) 475