1-4[Switch] sflow agent ip 3.3.3.1# Specify the IP address and port number of the sFlow collector.[Switch] sflow collector ip 3.3.3.2# Set the sFlow interval to 30 seconds.[Switch] sflow interval 30# Enable sFlow in both the inbound and outbound directions on GigabitEthernet 2/0/1.[Switch] interface GigabitEthernet 2/0/1[Switch-GigabitEthernet2/0/1] sflow enable inbound[Switch-GigabitEthernet2/0/1] sflow enable outbound# Specify the traffic sampling rate.[Switch-GigabitEthernet2/0/1] sflow sampling-rate 100000# Display the sFlow configuration information.[Switch-GigabitEthernet2/0/1] display sflowsFlow Version: 5sFlow Global Information:Agent IP:3.3.3.1Collector IP:3.3.3.2 Port: 6343Interval(s): 30sFlow Port Information:Interface Direction Rate Mode StatusGE2/0/1 In/Out 100000 Random ActiveTroubleshooting sFlow ConfigurationThe Remote sFlow Collector Cannot Receive sFlow PacketsSymptomThe remote sFlow collector cannot receive sFlow packets.Analysisz sFlow is not enabled globally because the sFlow agent or/and the sFlow collector is/are notspecified.z No port is enabled with sFlow to sample data.z The IP address of the sFlow collector specified on the sFlow agent is different from that of theremote sFlow collector.z No IP address is configured for the Layer 3 interface on the device, or the IP address is configured,but the UDP packets with the IP address being the source cannot reach the sFlow collector.z The physical link between the device and the sFlow collector fails.Solution1) Check whether sFlow is correctly configured by displaying sFlow configuration with the displaysflow command.2) Check whether the correct IP address is configured for the device to communicate with the sFlowcollector.3) Check whether the physical link between the device and the sFlow collector is normal.
