On Thu, Apr 11, 2002 at 11:34:14AM +0800, Edwin D . Viņas wrote: > Is it easy to analyze (i.e, graph and database) aggregated flows from > routers? If you're proficient with the Unix tool chain, yes. Flow-tools supports all of the aggregated NetFlow formats currently defined by Cisco. An easier alternative is to use unaggragated version 5 flows and FlowScan. mark