We have couple of NAM installed on our network, we want to collect layer-2 Netflow data since some of the NAM mod is installed on access layer switch (all of our switches have Sup 32 witch PFC3B card) which don't have a lot of traffic to affect performance.
After we turned on the netflow, we only get broadcast information on the NAM instead of real network traffic, but if we issue command
Show ip cache flow
On the switch which been turned on netflow, we will get real traffic data.
We have configured our system just like you told, but we only collect broadcase infomation, since the switch we turnd on netflow is an Access switch it does not has router interface configured on it we only configured a Vlan interface(This Vlan is the client Vlan we set up on this switch.
how can we get layer-2 switch flow info export to NAM?
We are pleased to announce availability of Beta software for 16.6.3.
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