While preparing for the setup the following question came to mind.
Does nfsen have he ability to graph the 95-th percentile?
I am not sure if I'd go as far as using it for billing but just as a
measurement.
thanks you,
alban
On Mon, Apr 7, 2008 at 3:56 PM, Alban Dani <[EMAIL PROTECTED]> wrote:
> Adrian,
>
> thanks a lot for your input.
> I have Cisco ME 6524 running IOS Version 12.2(33)SXH1 and then later will
> be collecting sflows from some Foundry equipment.
>
> I guess I'll preemptively check the IOS for netflow bugs.
>
> thanks again,
>
> Alban
>
>
>
> On Mon, Apr 7, 2008 at 3:17 PM, Adrian Popa <[EMAIL PROTECTED]>
> wrote:
>
> > Hello,
> >
> > From personal experience I can say that nfsen is excellent in this
> > matter. The only problem you might have is incorrect AS number reporting
> > from your routers.
> >
> > I've tried it with mostly 7600 series routers (and also a few 6509s) and
> > I had mixed results. I would get a lot of records with flows that have
> > source/destination ASes set to 0, even if the routes are learned through BGP
> > and there are flows for the same routes that have the correct ASes set. Most
> > of these problems were on certain IOSes on 6509s and 7606s, so in case this
> > happens look for netflow IOS bugs.
> >
> > Oh, something else that might confuse you at first: on some 6509/7606
> > routers you will get flows for all interfaces, not just for the interfaces
> > that you configure to export.
> >
> > For filters, you can use src as = 9980 or dst as = 702. You can limit
> > your query to source/destination interfaces based on snmp indexes (src if =
> > 5 and dst if =33).
> >
> > Other than that, everything should work fine! :)
> >
> > Adrian
> >
> > On Mon, Apr 7, 2008 at 9:43 PM, Alban Dani <[EMAIL PROTECTED]>
> > wrote:
> >
> > > How good is nfsen in using netflow/sflow to get bgp related data based
> > > on AS number and prefixes?
> > > I would like to install it in order to help me with some traffic
> > > engineering and peering decisions.
> > > Will nfsen put me on the right path?
> > >
> > > thank you in advance,
> > >
> > > Alban
> > >
> > >
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