Juniper EX9200 Series, Features Manual

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committed-information-rate
Syntax committed-information-rate bps;
Hierarchy Level [edit dynamic-profiles profile-name firewall three-color-policer name single-rate ],
[edit dynamic-profiles profile-name firewall three-color-policer name two-rate ],
[edit firewall three-color-policer policer-name single-rate ],
[edit firewall three-color-policer policer-name two-rate ]
Release Information Statement introduced in Junos OS Release 7.4.
Support at the
[edit dynamic-profiles ... single-rate] and [edit dynamic-profiles ... two-rate]
hierarchy levels introduced in Junos OS Release 11.4.
Statement introduced in Junos OS Release 12.3R2 for EX Series switches.
Description For a three-color policer, configure the committed information rate as a number of bits
per second. The committed information rate (CIR) is the guaranteed bandwidth for traffic
arriving at or departing from the interface under normal line conditions.
NOTE: When you include the
committed-information-rate
statement in the
configuration, you must also include the
committed-burst-size
statement at
the same hierarchy level.
In three-color policing, a CIR defines the guaranteed bandwidth for traffic arriving at or
departing from the interface under normal line conditions. A flow of traffic at an average
rate that conforms to the CIR is categorized green.
During periods of average traffic rates below the CIR, any unused bandwidth capacity
accumulates up to a maximum amount defined by the committed burst size (CBS). Short
periods of bursting traffic (back-to-back traffic at averages rates that exceed the CIR)
are also categorized as green provided that unused bandwidth capacity is available.
Traffic that exceeds both the CIR and the CBS is considered nonconforming.
Single-rate three-color policers use a dual token bucket algorithm to measure traffic
against a single rate limit. Nonconforming traffic is categorized as yellow or red, based
on the
excess-burst-size
statement included in the policer configuration.
Two-rate three-color policers use a dual-rate dual token bucket algorithm to measure
traffic against two rate limits. Nonconforming traffic is categorized as yellow or red based
on the
peak-information-rate
and
peak-burst-rate
statements included in the policer
configuration.
Options
bps
—Number of bits per second. You can specify a value in bits per second either as a
complete decimal number or as a decimal number followed by the abbreviation
k
(1000),
m
(1,000,000), or
g
(1,000,000,000).
Range:
•
1500 through 100,000,000,000 bps on EX, M, and T Series routers
Copyright © 2016, Juniper Networks, Inc. 210
Traffic Policers Feature Guide for EX9200 Switches