[c-nsp] ASR9K Netflow nextas/prevas only?

[Mark Tees]

You can also use a tool like nprobe to add in the AS data and push it on

Sent from some sort of iDevice.

On 28/12/2012, at 1:57 PM, Jason Lixfeld <jason at lixfeld.ca> wrote:

> It's been a while since I've played with netflow, but back in the olden days, I seem to remember srcas and dstas were pretty useful.  I'd use that to figure where my traffic was going and figure out what IX I should pull to or what upstream I should buy from.
> 
> Now in the ASR9K/v9/IPFIX days, it seem that Cisco has done something silly and turned off bgpSourceAsNumber (16)/bgpDestinationAsNumber (17) fields in favor of bgpNextAdjacentAsNumber (128) and bgpPrevAdjacentAsNumber (129).  Pretty much rendering any sort of decent traffic engineering useless.
> 
> What are folks doing to workaround this?  The only thing I can see is something like pmacct that can correlate real-time BGP data to get source/destination AS.  as-stats looked interesting, but it's v8 only.
> 
> Any advice?
> 
> Thanks in advance.
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