Juniper Networks J-Series manual Monitoring CoS Rewrite Rules, Show class-of-service rewrite-rules

J-series™ Services Router Administration Guide

Table 61: Summary of Key CoS Forwarding Class Output Fields

Field	Values	Additional Information
Forwarding Class	Names of forwarding classes assigned to
	queue numbers. By default, the following
	forwarding classes are assigned to queues
	0 through 3:
	■ best-effort—Provides no special CoS
	handling of packets. Loss priority is
	typically not carried in a CoS value, and
	RED drop profiles are more aggressive.
	■ expedited-forwarding—Provides low loss,
	low delay, low jitter, assured
	bandwidth, and end-to-end service.
	■ assured-forwarding—Provides high
	assurance for packets within specified
	service profile. Excess packets are
	dropped.
	■ network-control—Packets can be
	delayed but not dropped.
Queue	Queue number corresponding to the	By default, four queues, 0 through 3, are
	forwarding class name.	assigned to forwarding classes.

Monitoring CoS Rewrite Rules

To display information about CoS value rewrite rules, which are based on the forwarding class and loss priority, select Monitor>Class of Service>Rewrite Rules in the J-Web interface, or enter the following CLI command:

show class-of-service rewrite-rules

Table 62 on page 128 summarizes key output fields for CoS rewrite rules.

Table 62: Summary of Key CoS Rewrite Rules Output Fields

Field	Values
Rewrite Rule Name	Names of rewrite rules.
CoS Value Type	Rewrite rule type:
	■ dscp—For IPv4 DiffServ traffic.
	■ dscp-ipv6—For IPv6 DiffServ traffic.
	■ exp—For MPLS traffic.
	■ ieee-802.1—For Layer 2 traffic.
	■ inet-precedence—For IPv4 traffic.

Additional Information

To display forwarding classes, loss priorities, and rewritten CoS values, click the plus sign

(+).

Index Internal index for this particular rewrite rule.

128■ Using the Monitoring Tools