[c-nsp] Flow tools

[Nick Hilliard]

On 18/01/2012 11:21, Phil Mayers wrote:
> On 18/01/12 10:38, Nick Ryce wrote:
>> Can nfdump/nfsen show useage per AS number as I cannot see anything on
>> their site?
> 
> I don't know if it's in earlier versions, but the latest version of nfdump
> has aggregation / summary by asnum, e.g.
> 
> nfdump <...> -a -A srcas,dstas
> 
> ...or:
> 
> nfdump <...> -s srcas -s dstas

As with all netflow data, you need to be careful to specify on your routers
whether you want the BGP peer ASN or the real src/dst asn to appear in your
netflow data.

Nick