[c-nsp] HSRP added to SVI, IP accounting no longer works.
cisco group
bundaberg440ml at gmail.com
Wed Sep 7 19:05:35 EDT 2011
Thanks for all your help Gert. Extremely appreciated.
Cheers,
On Sep 7, 6:19 pm, Gert Doering <g... at greenie.muc.de> wrote:
> Hi,
>
> On Wed, Sep 07, 2011 at 01:29:42AM -0700, cisco group wrote:
> > Thanks for the input will start researching a netflow solution. Would
> > you look at virtualised solution or physical hardware? From my
> > previous research I understand that it can be fairly intensive
> > therefore quite a grunty box is required.
>
> We have had bad experience with any sort of "bursty udp traffic" (like
> DNS) on vmware hosts - and netflow export tends to do exactly this, so
> we're using dedicated hardware, with FreeBSD and nfdump/nfsen as
> the collector software (open source, great support, all the features we
> could ask for - well, actually, "all the features I *did* ask for" :-) ).
>
> Our netflow collector machines are not *that* beefy - 5-year old servers,
> with something like 2 GHz P4-class CPUs and 2 Gb RAM - but what you need
> depends a lot on the traffic in your network (read: how many flows this
> will create, so "long sessions with little churn and large bandwidth"
> will create much less flow data than "running an ad server network that
> serves small pictures [= short flows] to the whole Internet", or worse,
> "running a root or TLD name server"...).
>
> gert
> --
> USENET is *not* the non-clickable part of WWW!
> //www.muc.de/~gert/
> Gert Doering - Munich, Germany g... at greenie.muc.de
> fax: +49-89-35655025 g... at net.informatik.tu-muenchen.de
>
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