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2 Posts

Pinned topic Cisco Nexus NetFlow v9

‏2016-04-14T00:20:45Z | cisco netflow

We have Cisco Nexus 7000 and 5000 switches forwarding netflows to QR Flow Processor.  But the Flow Processor is unable to parse the flows.  No error message is generated in any logs.  When I do tcpdump on the interface we can see the flows coming on the interface


[root@QRFP]# tcpdump -nn -i bond0 port 2055
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on bond0, link-type EN10MB (Ethernet), capture size 65535 bytes
20:18:21.787068 IP > 10.x.y.z.2055: UDP, length 1116
20:18:21.998697 IP > 10.x.y.z.2055: UDP, length 1116
20:18:23.123785 IP > 10.x.y.z.2055: UDP, length 1220


Can someone share the template they used on Cisco Nexus to successfully forward the netflow v9 to QR and the flow data is understood by QR?