set interface gigabit-ethernet ethernet-switching-options buffer ingress-queue headroom

The set interface gigabit-ethernet ethernet-switching-options buffer ingress-queue headroom command can be used to set the upper threshold of headroom buffer for a PFC queue on the ingress interface.

The delete interface gigabit-ethernet ethernet-switching-options buffer ingress-queue headroom command deletes the configuration.

Command Syntax

set interface gigabit-ethernet <interface-name> ethernet-switching-options buffer ingress-queue <queue-id> headroom <value>

delete interface gigabit-ethernet <interface-name> ethernet-switching-options [buffer] [ingress-queue <queue-id>] [headroom <value>]

Parameter

Parameter	Description
gigabit-ethernet <interface-name>	Specifies the name of a physical interface in the ingress direction of the downstream switch.
ingress-queue <queue-id>	Specifies the queue number of an ingress interface. The value is an integer that ranges from 0 to 7. Note: On Trident and Trident+ based switches, known unicast packets can be assigned to a specific queue between queues from 0 to 7, while unknown unicast packets, multicast packets, and broadcast packets can be assigned to a specific queue between queues from 0 to 3.
headroom <value>	Specifies the upper threshold of headroom buffer for a PFC queue on the ingress interface. When the headroom buffer threshold is reached, the received packets will be dropped. The value is an integer that ranges from 1 to 65535. Unit: cell.

Example

Set the upper threshold of headroom buffer for PFC queue 3 on the ingress interface xe-1/1/3 as 2400 cells.

admin@PICOS# set interface gigabit-ethernet ge-1/1/3 ethernet-switching-options buffer ingress-queue 3 headroom 2400 
admin@PICOS# commit