121
Field Description
• edge—Maps the priority of incoming frames with a specific CNPV to an
alternate value and removes congestion notification (CN) tags before
sending out the frames.
• interior—Does not alter the priority of incoming frames with a specific
CNPV and removes CN tags before sending out the frames.
• interior-ready—Does not alter the priority of incoming frames with a
specific CNPV and retains CN tags when sending out the frames.
When
auto
is configured, this field display a hyphen (-). Each interface on the
device negotiates the defense mode by using LLDP.
Alternate Alternate value.
display qcn interface
Use display qcn interface to display the CND settings of interfaces.
Syntax
display qcn interface [ interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface-type interface-number: Specifies a Layer 2 Ethernet interface by its type and number. If you
do not specify an interface, this command displays the CND settings of all Layer 2 Ethernet
interfaces.
Examples
# Display the CND settings of all Layer 2 Ethernet interfaces.
<Sysname> display qcn interface
Interface: XGE1/0/1
CNPV Mode Defense-mode Alternate
---------------------------------------------------
1 comp interior-ready 4
2 admin edge 0
3 auto edge 0
Interface: XGE1/0/2
CNPV Mode Defense-mode Alternate
---------------------------------------------------
1 comp interior-ready 4
2 admin edge 0
3 auto edge 0
Table 47 Command output
Field Description
Mode Indicates the way how the interface selects the defense mode:
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