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code-point (Input Congestion Notification)

Syntax

Hierarchy Level

Description

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.

Options

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.

Release Information

Statement introduced in Junos OS Release 11.1.

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