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Netflow configuration on Cisco Nexus 1000v with iMC NTA 7.0

 
battagfe
Advisor

Netflow configuration on Cisco Nexus 1000v with iMC NTA 7.0

Hi all,

I've problems to collect data traffic from a Nexus 1000v (virtual) switch via netflow and iMC NTA.

 

After reading the documentation I inserted on the Nexus 100v the following configuration, but iMC doesn't collect any data. However I have seen, with Wireshark, packets from the Nexus 100v to NTA arrive correctly.

 

Vethernet1 is the interface which is connected to a server that produces traffic.

 

Does anyone have:

- A suggestion about it, how iMC don't ever shows me traffic?

- Can tell me if it's appropriate to collect the traffic directly from the Nexus 1000v or is better to use a probe to capture traffic between virtual machines (I need an extra license)?

 

flow exporter IMC_EXPORTER

description Exporter per IMC NTA

destination 10.10.10.22 (iMC server)

transport udp 9996 (iMC port)

source mgmt0

version 9

option exporter-stats timeout 30

template data timeout 30

option interface-table timeout 30

 

flow monitor IMC_MONITOR

description Monitor per iMC NTA

record netflow-original

exporter IMC_EXPORTER

timeout incative 15

timeout active 60

cache size 4096

 

interface vethernet1

ip flow monitor IMC_MONITOR input

ip folw monitor IMC_MONITOR output

 

port-profile type vethernet network (is called ny vethernet1)

ip flow monitor IMC_MONITOR input

ip folw monitor IMC_MONITOR output

 

 

BR

Federico

1 REPLY
Andyo
Occasional Advisor

Re: Netflow configuration on Cisco Nexus 1000v with iMC NTA 7.0

Did you configured NTA to listen on 9996 (NTA>Settings>ServerManagement>Listen ports)?