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pfc (Input Congestion Notification)


Hierarchy Level


Enable and configure ingress interface priority-based flow control (PFC) for a configured 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 remaining statements are explained separately. Search for a statement in CLI Explorer or click a linked statement in the Syntax section for details.

Required Privilege Level

interfaces—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 12.3.

Support for DSCP-based PFC introduced in Junos OS Release 17.4R1 for the QFX Series.