[178143] in North American Network Operators' Group
Re: Usage Graphing per Subnet
daemon@ATHENA.MIT.EDU (Methsri Wickramarathna)
Tue Feb 17 22:22:16 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <CAGBKYd40UCSmbDYu0V3BaVis=7oSgz5V31+E0rBsjJXxoYbycA@mail.gmail.com>
From: Methsri Wickramarathna <mmethw2003@gmail.com>
Date: Wed, 18 Feb 2015 08:51:52 +0530
To: Karsten Thomann <karsten_thomann@linfre.de>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
Chris , Thanks for the info...
Let me explain my requirement ....
My company has 3 upstream providers and we are serving more than 400
customers ..In that case we have to manage our upstream capacity... When
considering capacity managing normally we just transfer a /24 from
congested Up stream provider to non congested provider.
Issue we have is we don't know exactly the usage of a /24 subnet before
transfer.
I hope you get an idea about my requirement :) :) :)
On Wed, Feb 18, 2015 at 8:40 AM, Methsri Wickramarathna <
mmethw2003@gmail.com> wrote:
> Karsten , thanks for replying....
> It's like this I don't want to take router info, only thing i want is to
> graph the usage of my entire IP block per subnet wise.
> Normaly we are using CACTI , MRTG , Observium etc... to gather router
> information such as CPU , errors , usage etc...
>
> All the systems mentioned above use SNMP to gather info and when it comes
> to usage it only poll to a particular interface and plot the usage ......=
I
> hope you had an idea about my requirement :)
>
>
> On Tue, Feb 17, 2015 at 11:53 PM, Karsten Thomann <
> karsten_thomann@linfre.de> wrote:
>
>> Hi,
>>
>> in this case I fully agree with Armin's advice, only wanted to provide a
>> possible way to archive an easy result without activation of netflow/sfl=
ow
>> which is possible if all subnets had dedicated ports somewhere in the ne=
t.
>>
>> I don't know what information you want to get from your routers, as ther=
e
>> are
>> many ways to get a result depending on the information you want and the
>> used
>> vendors.
>>
>> Regards
>> Karsten
>>
>> Am Dienstag, 17. Februar 2015, 22:01:18 schrieb Methsri Wickramarathna:
>> > Thanks Armin ,
>> > I will try the SW you have mentioned seems like it's not easy to insta=
ll
>> > though :) :)
>> >
>> > Karsten,
>> > I just bought out an example... my company has 2X18's and out of it we
>> are
>> > using considerable amount of /24s to access internet . Some subnets ar=
e
>> > given without proper documentation , so it's very hard to do what you
>> have
>> > proposed.
>> > What I can do is to install some kind of SW and gather info from my
>> gateway
>> > routers :( .....it's helpful if some one can guide me through this :)
>> ...
>> >
>> > On Tue, Feb 17, 2015 at 5:34 PM, Karsten Thomann <
>> karsten_thomann@linfre.de>
>> > wrote:
>> > > Hi,
>> > >
>> > > I'm not sure how it is exactly build, but if every /29 uses it's own
>> port
>> > > a tool like cacti/graphite where you're aggregating all required por=
ts
>> > > within one graph is easier.
>> > >
>> > > Regards
>> > > Karsten
>> > >
>> > > Am 17.02.2015 12:47, schrieb Armin Kneip:
>> > > Hi,
>> > >
>> > >> pmacct is your friend!
>> > >>
>> > >> http://www.pmacct.net/
>> > >>
>> > >>
>> > >> Regards,
>> > >> Armin
>> > >>
>> > >> Am 17.02.2015 um 12:35 schrieb Methsri Wickramarathna:
>> > >>> Hi All, I have a requirement to plot a usage graph per subnet. As =
an
>> > >>> example.
>> > >>>
>> > >>> I have a 192.168.1.0/24 subnet divided among 32 customers where
>> each one
>> > >>> will get a /29 [ 192.168.1.0/29 =3D> Customer A ; 192.168.1.8/29 =
=3D>
>> > >>> Customer
>> > >>> B etc... ] ...
>> > >>>
>> > >>> Is there any tool to graph the usage of entire /24 subnet ???
>>
>>
>
>
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