Chapter 21
| Data Center Bridging Commands
Congestion Notification Commands
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cn cnpv defense-mode
(Interface Configuration)
Use this command to configure the defense mode for a CNPV, determining
whether CN is enabled or not, and if enabled, whether the port remarks the CNPV
to a non-CNPV value on input, and whether the port removes CN-tags on output.
Use the no form to restore the default settings.
Syntax
cn cnpv cnpv-priority defense-mode {auto | disabled | edge | interior |
interior-ready}
no cn cnpv cnpv-priority defense-mode
cnpv-priority - CN priority value. (Range: 0-7)
auto - Defense mode and alternate priority is chosen automatically as
determined by the LLDP Congestion Notification TLV.
disabled - CN capability is administratively disabled.
edge - CNPV is remapped to non-CNPV and CN-TAG is removed.
interior - Priority remapping is inhibited and CN-TAG is removed.
interior-ready - Priority remapping is inhibited and CN-TAG is retained.
Default Setting
The CNPV to alternate priority mapping is based on the global setting configured
by the cn cnpv defense-mode (Global Configuration) command.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
Refer to the Command Usage section under the cn cnpv defense-mode (Global
Configuration) command for more information on this command.
Example
The following example sets the defense mode to edge for CNPV 2.
Console(config)#cn cnpv 2 defense-mode edge
Console(config)#
show cn Use this command to show the global CN status.
Syntax
show cn
Command Mode
Privileged Exec
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