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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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采样率配置

采样率是指在采集样本之前跳过的数据包数。如果采样率为 4096，则会为观察到的 4096 个数据包各生成一个样本。

  • 在 CONFIGURATION 模式下设置采样率，从 4096 到 65535。默认值为 32768。
    sflow sample-rate sampling-size
  • 在 CONFIGURATION 模式下禁用数据包采样。
    no sflow sample-rate
  • 以 EXEC 模式查看采样率。
    show sflow
配置 sFlow 采样率
OS10(config)# sflow sample-rate 4096
查看 sFlow 数据包标头大小
OS10# show sflow
sFlow services are enabled
Management Interface sFlow services are disabled
Global default sampling rate: 4096
Global default counter polling interval: 20
Global default extended maximum header size: 128 bytes
Global extended information enabled: none
1 collector(s) configured
Collector IP addr:10.16.151.245 Agent IP addr:10.16.132.181 UDP port:6343 VRF:Default
31722 UDP packets exported
0 UDP packets dropped
34026 sFlow samples collected
查看 sFlow 运行的配置
OS10# show running-configuration sflow
sflow enable
sflow max-header-size 80
sflow polling-interval 20
sflow sample-rate 4096
sflow collector 10.16.150.1 agent-addr 10.16.132.67 6767 max-datagram-size 800
sflow collector 10.16.153.176 agent-addr 3.3.3.3 6666
!
interface ethernet1/1/1
sflow enable
!

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