Date: Wed, 06 Dec 2006 08:11:09 -0800 From: Julian Elischer <julian@elischer.org> To: Josh Paetzel <josh@tcbug.org> Cc: freebsd-net@freebsd.org, Benjamin Adams <freebsdworld@gmail.com>, Brett Glass <brett@lariat.net> Subject: Re: Bandwidth Monitoring program Message-ID: <4576EB9D.2040300@elischer.org> In-Reply-To: <200612060313.23621.josh@tcbug.org> References: <6199c3dc0612050848g16a0911dga145485ba14bf21f@mail.gmail.com> <200612060552.WAA04850@lariat.net> <200612060313.23621.josh@tcbug.org>
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Josh Paetzel wrote: > On Tuesday 05 December 2006 23:52, Brett Glass wrote: >> Add a few IPFW "count" rules to count the bytes and packets. Then, >> periodically harvest and reset the counters via a cron job and >> write the results to a file. You can then prepare tables and charts >> which are as simple or as fancy as you please, without resorting to >> SNMP (which isn't secure). A little bit of code in your favorite >> scripting language will do it. And of course you can output to a >> graphing package, though for me a simple histogram using asterisks >> has sufficient precision in most cases. >> >> --Brett Glass >> > > Just curious.....but where is he going to run ipfw? I seriously doubt > his router can run it, and what good is it going to do him to run it > on a machine on the network if the network is switched? It's not > going to be able to see any of the traffic other than what that > specific machine is sending/receiving. > run ipfw in layer 2 after turning on promiscuous mode and attaching it to a hub. I do it all the time.
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