4 sflow examples, 5 sflow troubleshooting – Accton Technology ES4626 User Manual

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interface should not exceed 1400 bytes.

Sample header max len is 50

The length of the packet data head copied in the data

sampling of the e3/1 interface sampling proxy is 50

Sample version is 4

The datagram version of the sFlow group sent by the

E3/1 interface sampling proxy is 4.

2.8.4 sFlow Examples

Fig 2-5 sFlow configuration topology

As shown in the figure, sFlow sampling is enabled on the port 3/1 and 3/2 of the switch.

Assume the sFlow analysis software is installed on the PC with the address of

192.168.1.200. The address of the layer 3 interface on the SwitchA connected with PC is

192.168.1.100. A loopback interface with the address of 10.1.144.2 is configured on the

SwitchA. sFlow configuration is as follows:

Configuration procedure is as follows:

Switch#config

Switch (config)#sflow ageng-address 10.1.144.2

Switch (config)#sflow destionation 192.168.1.200

Switch (config)#sflow priority 1

Switch (config)# (config)#in e3/1

Switch (Config-If-Ethernet3/1)#sflow rate input 10000

Switch (Config-If-Ethernet3/1)#sflow rate output 10000

Switch (Config-If-Ethernet3/1)#sflow rate counter-interval 20

Switch (Config-If-Ethernet3/1)#exit

Switch (config)# (config)#in e3/2

Switch (Config-If-Ethernet3/2)#sflow rate input 2000

Switch (Config-If-Ethernet3/2)#sflow rate output 20000

Switch (Config-If-Ethernet3/2)#sflow rate counter-interval 40

2.8.5 sFlow Troubleshooting

In configuring and using sFlow, the sFlow server may fail to run properly due to

physical connection failure, wrong configuration, etc. The user should ensure the

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