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3 sflow examples, 4 sflow troubleshooting, Xamples – PLANET WGSW-50040 User Manual

Page 249: Roubleshooting

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33-20

Port Mode

sflow counter-interval

no sflow counter-interval

Configure the max interval when sFlow

performing statistic sampling. The “no” form of

this command deletes

33.3 sFlow Examples

Figure

33-1 sFlow configuration topology

As shown in the figure, sFlow sampling is enabled on the port 1/1 and 1/2 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 destination 192.168.1.200

Switch (config)#sflow priority 1

Switch (config)# interface ethernet1/1

Switch (Config-If-Ethernet1/1)#sflow rate input 10000

Switch (Config-If-Ethernet1/1)#sflow rate output 10000

Switch (Config-If-Ethernet1/1)#sflow counter-interval 20

Switch (Config-If-Ethernet1/1)#exit

Switch (config)# interface ethernet1/2

Switch (Config-If-Ethernet1/2)#sflow rate input 20000

Switch (Config-If-Ethernet1/2)#sflow rate output 20000

Switch (Config-If-Ethernet1/2)#sflow counter-interval 40

33.4 sFlow Troubleshooting

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

SWITCH

PC