11-Network Management and Monitoring Command Reference

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12-Sampler commands
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Sampler commands

display sampler

Use display sampler to display configuration information for a sampler.

Syntax

display sampler [ sampler-name ] [ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

sampler-name: Specifies a sampler by its name, a case-insensitive string of 1 to 31 characters. If you do not specify a sampler, this command displays configuration information for all samplers.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, this command displays sampler configuration information for the master device.

Examples

# Display the configuration information about sampler 256.

<Sysname> display sampler 256

 Sampler name: 256

  Mode: Random;  Packet-interval: 8; IsNpower: Y

Table 1 Command output

Field

Description

Sampler name

Name of the sampler.

Mode

Sampling mode.

Packet-interval

Sampling rate.

IsNpower

Whether the sampling rate is 2 to the nth power:

·     Y—Yes.

·     N—No.

sampler

Use sampler to create a sampler.

Use undo sampler to delete a sampler.

Syntax

sampler sampler-name mode random packet-interval n-power rate

undo sampler sampler-name

Default

No samplers exist.

Views

System view

Predefined user roles

network-admin

Parameters

sampler-name: Specifies a sampler by its name, a case-insensitive string of 1 to 31 characters.

random: Specifies the random sampling mode. A sampler in this mode randomly selects a packet out of a group of packets. Which packet is selected for each sampling varies.

n-power: Specifies the sampling rate as 2 to the nth power.

rate: Specifies the sampling rate. The sampling rate is 2 to the nth power, where n is the value of the rate argument. For example, if the rate argument is set to 8, one packet is selected from 256 (2 to the 8th power) packets in each sampling. The value range for the rate argument is 0 to 15.

Examples

# Create sampler abc in random sampling mode. Set the sampling rate to 8 to select one packet form 256 (2 to the 8th power) in each sampling.

<Sysname> system-view

[Sysname] sampler abc mode random packet-interval  8