I would say the only drawback is that v9 is a tad bit more complicated to set up due to its configurable nature (see Cisco's Flexible NetFlow) but that's about it. As Roland said "it's all upside".
On 1/14/11 5:17 AM, "Dobbins, Roland" <[email protected]> wrote: > >On Jan 13, 2011, at 9:30 PM, Righa Shake wrote: > >> What are the pros and cons as compared to version 5. > >v5 is a fixed format which is no longer being developed - all NetFlow >implementation moving forward are based upon v9. > >v9 gives you egress NetFlow, support for MPLS, and is an extensible >telemetry format which enables features like Flexible NetFlow, which >provides finer-grained information about network traffic. > >> what is version 9 impact on router and traffic > > >Nil - single-digit CPU, 0.5% - 1.5% of overall traffic volume, multiplied >by sampling factor (i.e, for 1:100, you'd multiply by 0.01). > >You don't really have a choice; you must implement v9, as v5 is obsolete >and is no longer being developed. But it's all upside, with no drawbacks. > >----------------------------------------------------------------------- >Roland Dobbins <[email protected]> // <http://www.arbornetworks.com> > > Sell your computer and buy a guitar. > > > > >_______________________________________________ >cisco-nsp mailing list [email protected] >https://puck.nether.net/mailman/listinfo/cisco-nsp >archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
