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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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Sample-rate configuration

Sampling rate is the number of packets skipped before the sample is taken. If the sampling rate is 4096, one sample generates for every 4096 packets observed.

  • Set the sampling rate in CONFIGURATION mode, from 4096 to 65535. The default is 32768. 
    sflow sample-rate sampling-size
  • Disable packet sampling in CONFIGURATION mode. 
    no sflow sample-rate
  • View the sampling rate in EXEC mode. 
    show sflow
Configure sFlow sampling rate 
OS10(config)# sflow sample-rate 4096
View sFlow packet header size 
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
View sFlow running configuration 
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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