[c-nsp] Cisco vs. Juniper

[Paolo Lucente]

On Mon, Nov 02, 2009 at 11:29:24AM -0600, Richard A Steenbergen wrote:

> > Here I'd have to disagree. Sampled netflow works very well without a
> > services PIC. If you don't do sampling the situation is different.
> 
> IIRC the default limit for sampled netflow (at least on M7i generation
> platforms, I can't speak to MX80 or the like) was 7000pps per FPC. So if
> for example you sampled every 1:1024 packets this would be good for
> 7.1Mpps of analyzed traffic for FPC (i.e. more than the box will ever be
> able to forward).

Capacity apart, another good subject for the thread is that without a
services DPC, you are realistically trapped to NetFlow v5, which these
days might or might not be a problem. IPv6, 32-bit ASNs, L2 information
come to the mind ...

At least, this is so far.

Cheers,
Paolo