On 2013-03-12, at 09:30, "Dobbins, Roland" <rdobbins at arbor.net> wrote: > On Mar 12, 2013, at 8:25 PM, Joe Abley wrote: > >> What are better approaches? > > Flow telemetry. Can you use cflow/jflow/ipfix exports with 1:1 sampling on an MX480 without an MS-DPC? Joe