Exporting Netflow data out of Cisco 3850 to an external netflow server
In this video i will show you how to configure netflow on a cisco 3850 and export it out to an external server. The script i used for this is listed below. There is a bug which i found out only after making this video, which is the 3850 is not exporting out data, only in. If you pay attention to the netflow analyzer at the end you'll see the out section empty.
script:
---------------Netflow setup----------------
flow record NFA1
match ipv4 tos
match ipv4 protocol
match ipv4 source address
match ipv4 destination address
match transport source-port
match transport destination-port
match interface input
collect interface output
collect counter bytes long
collect counter packets long
collect timestamp absolute first
collect timestamp absolute last
!
flow exporter NFA1
destination x.x.x.x --ip of netflow server--
source Vlan 11
transport udp 9996
template data timeout 60
!
flow monitor NFA1
exporter NFA1
cache timeout active 60
record NFA1
vlan configuration 10-30
ip flow monitor NFA1 input
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