Fortinet FortiSwitch-548B v. 5.2.0.2 Administration Manual page 148

Priority Queue: Priority queue is enabled for CN function.
Mode: CN mode (Enable/Disable)
CNM Count: Counts the number of CN message generated by the congestion messaged queue.
7.2.18.3 congestion-notify priority
The CN function is disabled by default on all priorities for each port. User can use this command to
enable/disable the priority queue on specific interface.
Syntax
congestion-notify priority <0 – 7> enable
no congestion-notify priority <0 – 7>
<0 – 7>: Priority Queue you want to enable CN function.
no - This command disables CN function on priority queue for specific interface.
Default Setting
Disabled
Command Mode
Interface Config
7.2.18.4 congestion-notify tag
The user can go to the CLI Global Configuration Mode to configure the CNTAG Ether Type is recognized
by parsing stages. Use the 'congestion-notify tag ethertype recognize' global configuration command.
Use the 'no congestion-notify tag ethertype recognize' to configure CNTAG Ether Type is unrecognized.
Syntax
congestion-notify tag ethertype recognize
no congestion-notify tag ethertype recognize
no - This command disables CN tag processing.
Default Setting
Disabled
Command Mode
Global Config
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