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if-exceeding {bandwidth-limit rate;bandwidth-percent number;burst-size-limit bytes;}

Hierarchy Level

[edit firewall policer policer-name]

Release Information

Statement introduced before JUNOS Release 7.4.


Configure policer rate limits.


bandwidth-limit bps—Traffic rate, in bits per second (bps). There is no minimum value, but any value below 61,040 bps results in an effective rate of 30,520 bps.

Range: 32,000 through 32,000,000,000 bps
Default: None

bandwidth-percent number—Port speed, in decimal percentage number.

Range: 1 through 100
Default: None

burst-size-limit bytes—Maximum burst size, in bytes. The minimum recommended value is the maximum transmission unit (MTU) of the IP packets being policed.

Range: 1500 through 100,000,000 bytes
Default: None

Note: On M120, M320, MX Series, and T Series routers, you can specify a minimum bandwidth limit of 8k (8000 bps).

Usage Guidelines

See Configuring Multifield Classifiers, Using Multifield Classifiers to Set PLP, and Configuring Schedulers for Priority Scheduling; for a general discussion of this statement, see the JUNOS Policy Framework Configuration Guide.

Required Privilege Level

firewall—To view this statement in the configuration.

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

Published: 2010-04-15

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