[Ntop-dev] Cisco ASA NetFlow, let's make it work

Luca Deri deri at ntop.org
Tue Dec 29 22:05:38 CET 2009


David
can you please send me the format of the templates? In any case it's  
funny that Cisco, that has created NetFLow, is not following the  
standard. perhaps this ASA product is manufactured by a company that  
has not been acquired by Cisco?

Luca

On Dec 29, 2009, at 2:42 AM, David Bowman wrote:

> Hello nTop people,
>
> It looks like the current nTop still doesn’t support the NetFlow  
> data from a Cisco ASA. I know the ASA uses some non-standard  
> templates. My NetFlow plugin statistics are below. I’m willing to  
> offer any help to make it compatible.
>
> I have let it run several hours. Templates are being sent every 4  
> minutes.
>
> David Bowman | MIS Director | Nemetschek North America
>
> Flow Senders 192.168.0.1 [428 pkts]
>
> Packets Received 428
> Packets with Bad Version 0
> Packets Processed 428
> Valid Flows Received 2,612,725,899
> Average Number of Flows per Packet 2174032.0
> V1 Flows Received 0
> V5 Flows Received 0
> V7 Flows Received 0
> V9 Data Flows Received 2,612,726,254
> V9 Option Flows Received 31
> Total V9 Templates Received 134
> Bad V9 Templates Received 105
> V9 Flows with Unknown Templates Received 1,067
>
> Discarded Flows
> Flows with Zero Packet Count 2,612,726,587
> Flows with Zero Byte Count 0
> Flows with Bad Data 0
> Flows with Unknown Template 1,067
> Total Number of Flows Processed 0
>
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