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Cisco IOS in a Nutshell, 2nd Edition by James Boney

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Name

random-detect — interface

Synopsis

random-detect [dscp-based | prec-based]
no random-detect number

Configures

Weighted Random Early Detection (WRED)

Default

Disabled

Description

This command enables WRED on an interface. The options dscp-based and prec-based tell WRED which packet characteristic to use to calculate drop probability. If you don’t select either one, the default is used (IP precedence).

dscp-based

Optional. Tells WRED to use the packet’s DSCP value to calculate drop probability.

prec-based

Optional/Default. Tells WRED to use the packet’s IP precedence value to calculate drop probability.

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