5000 Series Layer 2/3 Managed Data Center Switch CLI Reference Guide
582
Command Mode
Global Config
6-7
qcn cnm-transmit-priority
The
qcn cnm-transmit-priority
command is used in the Global Configuration mode in order to globally
configure the dot1p priority value for the congestion notification messages (CNM) that are sent by the
system. By default, CNMs are sent with a dot1p priority value of zero.
The
no
command is used in the Global Configuration mode in order to reset the dot1p priority value for
the CNMs transmitted by the system back to the default value.
qcn cnm-transmit-priority dot1p-priority
no qcn cnm-transmit-priority
Parameters
dot1p-priority
Enter dot1p priority, range 0-7.
Default
The default is 0.
Command Mode
Global Config
6-8
qcn cnpv-priority (datacenter bridging config)
The
qcn cnpv-priority
command is used in the Data Center Bridging Configuration mode in order to
globally configure a CP (port-queue) that has been mapped to the specified dot1p priority as a congestion
enabled (
interior
), congestion disabled (
disable
), or edge congestion point (
edge
) for all the ports that
have the defense mode configured as
component
.
qcn cnpv-priority cnpv-priority {interior | edge | disable}
Parameters
cnpv-priority
The range is 0-7.
interior
Interior congestion point (ICP). Used when a flow with the specified
dot1p priority needs to be congestion aware. This setting enables
detection of congestion of the selected priority.
edge
Edge congestion point (ECP). Used when the congestion point(CP) is
on the edge of the congestion notification domain (CND).
disable
Disabled for QCN. Used when it is desired that the priority be
