[flow-tools] Re: your mail

Mark Fullmer maf@eng.oar.net
Fri, 10 May 2002 11:43:01 -0400


You can use flow-filter to filter on the IP address range or tag the
ranges with flow-tag.  With this approach it's possible to include
spoofed traffic by mistake.  If there is only one customer on the
interface polling the interface counters with SNMP may be a better
solution.

mark

On Wed, May 08, 2002 at 03:56:23PM +0200, Heiko Brey wrote:
> Hi,
> 
> is there a way doing something like this with the flow-tools:
> 
> Cust. has one interface on the catalyst (e.g. 61) and we want to account
> inbound AND outbound traffic for this interface.
> 
> The problem is that the catalyst exports its data in version 7 and we aint
> got the source interface.
> 
> If we do a "flow-cat /netflow | flow-stat -f 23" we get something like
> this:
> 
> # Name:      Input/Output Interface
> #
> # Args:      /usr/local/netflow/bin/flow-stat -f 23 
> #
> #
> # in   out    flows                 octets                packets
> #
> 0      67     12381                 86788421              149787              
> 0      61     8347                  11067577              72776               
> 
> This isn't enough to account both directions of traffic the user
> generates!
> 
> Is there a solution for this avaliable?
> 
> Thank you!
> 
> Regards,
> 
> Heiko