Hi David and John,
Would you be able to give a very short talk about how you do this with some code snippets/ links to more at the next HEPSYSMAN?
Thanks Pete
--
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Peter Gronbech GridPP Project Manager Tel No. : 01865 273389
Department of Particle Physics,
University of Oxford,
Keble Road, Oxford OX1 3RH, UK E-mail : [log in to unmask]
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> -----Original Message-----
> From: Testbed Support for GridPP member institutes [mailto:TB-
> [log in to unmask]] On Behalf Of David Crooks
> Sent: 11 December 2015 09:34
> To: [log in to unmask]
> Subject: Re: Switch monitoring?
>
> Hi,
>
> We use graphite with a python script that reads SNMP data from the
> switches if you’d be interested - then using graphite to perform averaging.
> We also have a local nfsen (netflow) instance on our local group cluster.
>
> Cheers,
> David
>
>
>
> On 10/12/2015, 21:31, "Testbed Support for GridPP member institutes on
> behalf of John Bland" <[log in to unmask] on behalf of
> [log in to unmask]> wrote:
>
> >On 10/12/15 21:19, George, Simon wrote:
> >> Hi,
> >>
> >> does anyone monitor the usage levels of their S4810 switch ports?
> >>
> >> Or probably any other type of switch which supports sflow, rmon or snmp.
> >>
> >> If so what tools do you use?
> >>
> >> I'm interested in capturing peak and average use of each port over a
> >> week or longer.
> >
> >We use Cacti for general switch monitoring, recording throughput over
> >SNMP. Gives current, average and maximum for day/week/month/year.
> >
> >I occasionally look at using ntop, but it's usually been too unreliable
> >over long periods IME. Must look again, Cacti's fine for checking
> >historical metrics but not much use for tracking active connections like
> >ntop can potentially do.
> >
> >John
> >
> >--
> >John Bland [log in to unmask]
> >System Administrator office: 220
> >High Energy Physics Division tel (int): 42911
> >Oliver Lodge Laboratory tel (ext): +44 (0)151 794 2911
> >University of Liverpool http://www.liv.ac.uk/physics/hep/
> >"I canna change the laws of physics, Captain!"
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