Usage Graphing per Subnet
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 => Customer A ; 192.168.1.8/29 => Customer B etc... ] ... Is there any tool to graph the usage of entire /24 subnet ??? -- -- ~~( ŊëŌ )~~
Hi, pmacct is your friend! http://www.pmacct.net/ Regards, Armin Am 17.02.2015 um 12:35 schrieb Methsri Wickramarathna:
-- Mit freundlichen Grüßen // Kind regards Armin Kneip GHOSTnet GmbH Kaiser-Friedrich-Promenade 65 D-61348 Bad Homburg v.d.H (Germany) Office +49 (0) 6172 185025 Fax +49 (0) 6172 185029 Internet: www.ghostnet.de Mail: noc@ghostnet.de Sitz: Kaiser-Friedrich-Promenade 65, D-61348 Bad Homburg v.d.H. Amtsgericht Bad Homburg v.d.H. HRB 8637, UST-ID-Nr. DE206435465 Geschäftsführer: Sebastian Grafmüller
Thanks Armin , I will try the SW you have mentioned seems like it's not easy to install 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 are 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:
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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/sflow which is possible if all subnets had dedicated ports somewhere in the net. I don't know what information you want to get from your routers, as there 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:
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:
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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:
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On Wed, 18 Feb 2015, Methsri Wickramarathna wrote:
Netflow/sflow/IPFIX is most likely going to be the easiest/cleanest way to get the data you want. I would also recommend announcing a consistent set of prefixes to all 3 providers, and using mechanisms like AS-PATH prepending and/or whatever BGP communities each provider offers to do things like tweak preferences or do selective prepending, rather than shuffling prefixes between providers to achieve some level of traffic engineering, and also keeping your announcements aggregated as much as possible. Less routing table bloat and churn is a good thing. jms
http://graphviz.org/ David Hofstee Deliverability Management MailPlus B.V. Netherlands (ESP) -----Oorspronkelijk bericht----- Van: NANOG [mailto:nanog-bounces@nanog.org] Namens Methsri Wickramarathna Verzonden: Tuesday, February 17, 2015 12:36 PM Aan: nanog@nanog.org Onderwerp: Usage Graphing per Subnet 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 => Customer A ; 192.168.1.8/29 => Customer B etc... ] ... Is there any tool to graph the usage of entire /24 subnet ??? -- -- ~~( ŊëŌ )~~
participants (7)
-
Armin Kneip -
David Hofstee -
Eduardo Schoedler -
Justin M. Streiner -
Karsten Thomann -
Methsri Wickramarathna -
Raymond Burkholder