[184227] in North American Network Operators' Group
Re: SNMP - monitoring large number of devices
daemon@ATHENA.MIT.EDU (Blake Hudson)
Tue Sep 29 17:43:56 2015
X-Original-To: nanog@nanog.org
To: nanog@nanog.org
From: Blake Hudson <blake@ispn.net>
Date: Tue, 29 Sep 2015 16:43:48 -0500
In-Reply-To: <CAKb_Nur6VdVs7QRiGLUT0x6rZwh=Dc1D7cbQEOQiwSWpiXwA8A@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org
I'm able to poll a few thousand CMs in a few seconds using perl's
Net::SNMP and async calls. 50k seems pretty doable.
--Blake
Pavel Dimow wrote on 9/29/2015 3:20 PM:
> Hi all,
>
> recently I have been tasked with a NMS project. The idea is to pool about
> 20 OID's from 50k cable modems in less then 5 minutes (yes, I know it's a
> one million OID's). Before you say check out some very professional and
> expensive solutions I would like to know are there any alternatives like
> open source "snmp framework"? To be more descriptive many of you knows how
> big is the mess with snmp on cable modem. You always first perform snmp
> walk in order to discover interfaces and then read the values for those
> interfaces. As cable modem can bundle more DS channels, one time you can
> have one and other time you can have N+1 DS channels = interfaces. All in
> all I don't believe that there is something perfect out there when it comes
> to tracking huge number of cable modems so I would like to know is there
> any "snmp framework" that can be exteded and how did you (or would you)
> solve this problem.
>
> Thank you.
