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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.

threshold <value>

Specifies the static threshold of shared buffer for a PFC queue on the ingress interface. When the occupied buffer space exceeds the specified threshold, the Pause frame will be generated and sent to the egress interface.

The value is an integer that ranges from 1 to 65535. Unit: cell.

Note: The values of cell are different on different platforms. The value is 256 bytes on Trident3-X5 and Trident3-X7 platforms, and is 254 bytes on the Tomahawk3 platform.

 

Example

  • Set the static threshold of shared buffer for PFC queue 3 on the ingress interface xe-1/1/3 as 2400.

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