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code-point (Input Congestion Notification)



Hierarchy Level

Release Information

Statement introduced in Junos OS Release 11.1 for the QFX Series.

Support for DSCP values introduced in Junos OS Release 17.4R1 for the QFX Series.


Enable priority-based flow control (PFC) on an IEEE 802.1p code point (priority) or a Differentiated Services code point (DSCP) value (to implement DSCP-based PFC at Layer 3).

Use this statement to configure PFC to operate based on an IEEE 802.1p code point in the VLAN-tagged packet header at Layer 2, or on a DSCP value from the Layer 3 IP header to support PFC with untagged traffic.

The pfc statement is mandatory when setting this statement.


code-point-bits—Code point bit pattern corresponding to an IEEE 802.1p 3-bit priority value when used in the ieee-802.1 hierarchy, or a 6-bit DSCP value when used in the dscp hierarchy.

The remaining statements are described separately.

Required Privilege Level

interfaces—To view this statement in the configuration.

interface-control—To add this statement to the configuration.