Sounds like the packets are not being properly interpreted.

 

Can you capture a couple and break them down by hand to see what’s in them?  You’ll need the v5 layouts which are in the netflowPlugin.c and .h files, plus tcpdump with appropriate options to capture full packets and dump in hex.

 

tcpdump –i <interface> -c5 –s 1500 –X port 2055

 

-----Burton

 


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Worrell
Sent: Friday, August 12, 2005 11:28 AM
To: [email protected]
Subject: [Ntop] NetFlow V5 on Cisco 2851

 

Hello,

 

I have enabled NetFlow on the two serial interfaces of my 2851, in Ingress mode, using NetFlow V5 setup.  I have the same PC with Ntop receiving the data.  My issue is that Ntop says I have received Terabytes of Data since turning this on, and also shows IP address like 0.1.0.1 and 1.0.0.3.

 

 

Can anyone assist me, I am confused as to where the issue lies.

 

Thanks

Brian

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