Qcn Configuration Task List; Enabling Qcn Globally; Configuration Prerequisites; Configuration Procedure - HP FlexFabric 5700 series Configuration Manual

QCN configuration task list

Tasks at a glance
(Required.)

Configuring CND settings

•
(Required.)
•
(Optional.)
(Optional.)

Enabling QCN globally

QCN settings take effect only after you enable QCN globally.

Configuration prerequisites

Before you enable QCN globally, enable LLDP. For more information about LLDP, see Layer 2—LAN
Switching Configuration Guide.

Configuration procedure

To enable QCN globally:
Step
1. Enter system view.
2. Enable QCN globally.
Configuring CND settings
You can configure CND settings both globally or for a specific interface. The interface-level CND settings
take precedence over global settings.
Enabling QCN globally
Configuring global CND settings
Configuring CND settings for an interface
Configuring congestion detection parameters
Command
system-view
qcn-enable
100
Remarks
N/A
By default, QCN is disabled
globally.
When QCN is disabled globally,
the following events occur:
•
All QCN settings become
invalid but still exist.
•
The switch stops LLDP
negotiation and does not
process or carry CN TLVs in LLDP
packets.