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cbr

Syntax

cbr rate;

Hierarchy Level

[edit interfaces at-fpc/pic/port atm-options vpi vpi-identifier shaping],[edit interfaces at-fpc/pic/port unit logical-unit-number address address family family multipoint-destination address shaping],[edit interfaces at-fpc/pic/port unit logical-unit-number shaping],[edit logical-systems logical-system-name interfaces at-fpc/pic/port unit logical-unit-number address address family family multipoint-destination address shaping],[edit logical-systems logical-system-name interfaces at-fpc/pic/port unit logical-unit-number shaping]

Release Information

Statement introduced before JUNOS Release 7.4.

Description

For ATM encapsulation only, define a constant bit rate bandwidth utilization in the traffic-shaping profile.

Default

Unspecified bit rate (UBR); that is, bandwidth utilization is unlimited.

Options

rate—Peak rate, in bits per second (bps) or cells per second (cps). 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). You can also specify a value in cells per second by entering a decimal number followed by the abbreviation c; values expressed in cells per second are converted to bits per second by means of the formula 1 cps = 384 bps.

For ATM1 OC3 interfaces, the maximum available rate is 100 percent of line-rate, or 135,600,000 bps. For ATM1 OC12 interfaces, the maximum available rate is 50 percent of line-rate, or 271,263,396 bps. For ATM2 IQ interfaces, the maximum available rate is 542,526,792 bps.

Usage Guidelines

See Applying Scheduler Maps to Logical ATM Interfaces.

Required Privilege Level

interface—To view this statement in the configuration.

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


Published: 2010-04-15

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