or On Tue, Mar 30, 2010 at 10:33 PM, Charles Regan <charles.re...@gmail.com>wrote:
> or use a simple ntp server to correct it. > > > On Tue, Mar 30, 2010 at 10:31 PM, Charles Regan > <charles.re...@gmail.com>wrote: > >> or use an updated kernel... this is only needed for centos 5.2. >> 5.3 is fine >> >> >> On Tue, Mar 30, 2010 at 10:28 PM, Charles Regan >> <charles.re...@gmail.com>wrote: >> >>> you need the VM kernel if you want the time to be correct. >>> I am running fine on a ESX server with around 650 devices. >>> if you are using centos check this out >>> http://pbxinaflash.com/vm/ >>> >>> >>> >>> >>> On Tue, Mar 30, 2010 at 10:14 PM, Glenn Kelley <gl...@hostmedic.com>wrote: >>> >>>> yup >>>> >>>> depending on the vm - (vm ware for example does have some clocking >>>> issues) >>>> >>>> times could be a nightmare ... >>>> >>>> I suggest stand alone for sure >>>> >>>> >>>> On Mar 30, 2010, at 7:55 PM, Richey wrote: >>>> >>>> > I had CactiEZ running in a VM Ware on a Dell 1850 with 4GB of ram. >>>> > It did >>>> > fine with about 200 devices but the time would drift really bad. >>>> > In 10 >>>> > minutes the time would be off by hours. I am now running it on >>>> > the same >>>> > 1850 but not in a VM with a few hundred graphs now. >>>> > >>>> > Richey >>>> > >>>> > -----Original Message----- >>>> > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] >>>> > On >>>> > Behalf Of Nick Olsen >>>> > Sent: Tuesday, March 30, 2010 5:43 PM >>>> > To: WISPA General List >>>> > Subject: Re: [WISPA] Bandwidth Tracking Solutions >>>> > >>>> > Well, This would be a little more time consuming. And would need a >>>> > hell of a >>>> > cacti box. But you could SNMP hit each customers CPE device if it >>>> > supports >>>> > it. That would be quite the load for the cacti box though. >>>> > >>>> > I second cacti easy though. >>>> > We have a box running CactiEZ with 68 sensors on it, and it sits >>>> > around all >>>> > day doing nothing in terms of hardware usage. Every time I've tried >>>> > it in a >>>> > VM its had bad performance issues around 20 sensors. >>>> > >>>> > Nick Olsen >>>> > Network Engineer / Customer Support >>>> > (321) 205-1100 x106 >>>> > >>>> > ---------------------------------------- >>>> > >>>> > From: "Steven McGehee" <stev...@qx.net> >>>> > Sent: Tuesday, March 30, 2010 4:49 PM >>>> > To: "WISPA General List" <wireless@wispa.org> >>>> > Subject: Re: [WISPA] Bandwidth Tracking Solutions >>>> > >>>> > We're also big fans and long time users of Cacti, so I'd happily >>>> > recommend >>>> > it as well. >>>> > >>>> > On 3/30/2010 16:46, Justin Wilson wrote: >>>> >> Cacti would be what I would start with. I have set it up where >>>> > business >>>> >> customers have their own individual logins and can see just the >>>> >> graphs >>>> > you >>>> >> want them to. It has built in graphs for 95th percentile. There >>>> >> is a >>>> >> plugin called nectar which allows you to have graphs e-mailed. You >>>> >> can >>>> > also >>>> >> install the flowview plugin. >>>> >> >>>> >> Not sure how to get it talking to freeside though. >>>> >> -- >>>> >> Justin Wilson<j...@mtin.net> >>>> >> http://www.mtin.net >>>> >> http://www.metrospan.net >>>> >> >>>> >> >>>> >> >>>> >> From: Matt Larsen - Lists<li...@manageisp.com> >>>> >> Reply-To: WISPA General List<wireless@wispa.org> >>>> >> Date: Tue, 30 Mar 2010 13:24:20 -0600 >>>> >> To: Mikrotik discussions<mikro...@mail.butchevans.com>, WISPA >>>> General >>>> > List >>>> >> <wireless@wispa.org> >>>> >> Subject: [WISPA] Bandwidth Tracking Solutions >>>> >> >>>> >> Hello list, >>>> >> >>>> >> I am looking for a solution that will keep track of the monthly >>>> >> bandwidth consumption for all of my broadband customers and am having >>>> >> a hard time coming up with a good solution. >>>> >> >>>> >> Our goal is to collect the traffic flows every 15 minutes and >>>> >> generate >>>> >> three things: >>>> >> >>>> >> 1) Internal reports showing bandwidth consumption by customers >>>> >> and that is in a database form that we can perform queries on >>>> >> 2) Data that can be exported to our customer portal page that >>>> >> will show customers how much bandwidth they have consumed since the >>>> >> first of each month >>>> >> 3) A batch file showing customers over their thresholds that we >>>> > can >>>> >> import into our billing system (Freeside) at the end of the month so >>>> >> we can bill overages >>>> >> >>>> >> Our system is setup as follows: >>>> >> >>>> >> 1) StarOS access points >>>> >> 2) OSPF backbone back to two separate 50 meg Internet backbone >>>> > links >>>> >> 3) Mikrotik core routers at each backbone location >>>> >> 4) StarOS routers performing NAT at each backbone location >>>> >> 5) Mikrotik edge routers connected to the Internet backbone >>>> >> >>>> >> Radius accounting is not an option, due to inaccurate IP accounting >>>> >> information returned by the StarOS APs. PPPoE is also not an >>>> >> option as >>>> >> we have 2000+ customers in place and not all of the hardware would >>>> >> easily convert to PPPoE. >>>> >> >>>> >> Ideally, the data should be collectable at the Mikrotik core routers, >>>> >> as that is the place where all of the private IP traffic is still >>>> >> in its >>>> >> pre-NAT status. We have been trying to keep track of it with >>>> >> Netflow >>>> >> data from our Mikrotik core routers, but it does not seem to be >>>> >> accurate and there are documented problems with the Mikrotik Netflow >>>> >> exports. We have confirmed that the data we have been collecting is >>>> >> not accurate, and I have no intention on billing a customer based on >>>> > inaccurate data. >>>> >> >>>> >> We have a couple of reporting engines that we have tried, with mixed >>>> >> levels of success. I did contact Brandon Checketts about his >>>> >> program, >>>> >> which was close to what we wanted, but it is out of date and he was >>>> >> not responsive so our efforts are focused on either using something >>>> >> open source that we can modify or just buying an appliance that >>>> >> will do >>>> > what >>>> >> we need. My preference is to go open source because we have >>>> >> multiple >>>> >> backbone connections and also because I have several consulting >>>> >> customers who want to have similar setups put in place on their >>>> >> networks. Also, I want to make sure that this is "revenue >>>> >> neutral" and >>>> >> can pay for for itself in the overage billing after it is installed. >>>> >> >>>> >> We can install either a switch or a transparent bandwidth monitoring >>>> >> server of some kind between the core and NAT servers to collect the >>>> >> data >>>> >> flows. My lead tech and I are both Linux savvy, and would prefer >>>> >> something that runs on Linux. >>>> >> >>>> >> I recall that Travis Johnson posted a description of an open source, >>>> >> linux-based system that he uses to track bandwidth, but I cannot find >>>> >> the email where he lays all of the elements out. Does anyone have >>>> >> any >>>> >> recommendations for this situation? >>>> >> >>>> >> Thanks! >>>> >> >>>> >> Matt Larsen >>>> >> vistabeam.com >>>> >> >>>> >> >>>> >> >>>> >> >>>> > >>>> ---------------------------------------------------------------------------- >>>> > >>>> >> ---- >>>> >> WISPA Wants You! 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