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inet-precedence (CoS Rewrite Rules)

Syntax

Hierarchy Level

Description

Apply an IPv4 precedence rewrite rule.

Options

rewrite-name

Name of a rewrite-rules mapping configured at the [edit class-of-service rewrite-rules inet-precedence] hierarchy level.

default

The default mapping. By default, IP precedence rewrite rules alter the first three bits on the type of service (ToS) byte while leaving the last three bits unchanged.

protocol inet-both

For gr- interfaces (GRE tunnels) on MPCs, rewrite the inet-precedence CoS value to both the inner and outer header for Unicast/Multicast IPv4 traffic. The first three bits of the CoS value are rewritten and the final six bits are taken from the incoming CoS value.

protocol inet-outer

For gr- interfaces on MPCs, rewrite the inet-precedence CoS value to the outer header for Unicast/Multicast IPv4 traffic. The first three bits of the CoS value are rewritten and the final six bits are taken from the incoming CoS value.

protocol mpls

(Optional for ingress MPLS tunnel nodes) For interfaces on MX Series routers or hosted on Enhanced III FPCs in M120 or M320 routers only, rewrite the MPLS EXP bits in the MPLS header independently of the IPv4 DSCP value for IPv4 packets entering an MPLS tunnel.

Required Privilege Level

interface—To view this statement in the configuration.

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

Release Information

Statement introduced before Junos OS Release 7.4.