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3850 Netflow data to Solarwinds

KMNRuser
Level 1
Level 1

Forum,

I am in the process of bringing a few 3850 switches into Netflow.

I have configured the flow record, the flow exporter, and the flow monitor.

On one specific switch, i have it configured to use vlan 1 as the source since it does not have a loopback configured on it.

When i run wireshark on the Solarwinds server (netflow collector in our example) and set capture filters for that host and for udp 2055, i see a "CFLOW" frame come in once every few seconds.

A technical call for a support ticket with Solarwinds Tier 2 indicated that there must be something incorrect within my configuration.

I have used the guide published here https://www.cisco.com/c/dam/en/us/td/docs/security/stealthwatch/netflow/Cisco_NetFlow_Configuration.pdf

and have specifically referenced the section which references the Catalyst 3850.

I am being told by Solarwinds that we should see many more flows than the ones i am seeing..

 

1 Reply 1

marce1000
VIP
VIP

 

 - Check this example : https://support.solarwinds.com/SuccessCenter/s/article/NetFlow-Configuration-Example-Cisco-3850-IOS-XE?language=en_US

 M.



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