Not a long week, I'm just on vacation with the kids! I'll look up my script and forward it on if you like (later tonight when I get up to Grandpa's place).
Jon On Fri, 2005-08-26 at 09:32, Israel J Pattison wrote: > Jon, > > Do you have a non-proprietary, automated way of doing this or has it just > been a long week? > > Israel > > On 26 Aug 2005 09:20:19 -0400, Jon Carnes <[EMAIL PROTECTED]> wrote: > > > > We monitor QoS by measuring latencies along our path to various targets. > > For IP's we use a traceroute from one endpoint to the other then ping to > > the actual endpoints and routers along the path. This is much more > > valuable information than just a general "are we up?" signal. > > > > Using this we can quickly zero in on problem spots within the networks > > of the ISP's that service our customers. We often end up knowing more > > about the ISP networks than their own engineers. > > > > Jon Carnes > > > > On Fri, 2005-08-26 at 09:08, Brian Henning wrote: > > > Hi Folks, > > > Pardon my ignorance...but is there an IP somewhere out there that is > > > specifically set up to be a ping target for checking connectivity? > > > We're having some serious issues with our DSL here lately, and I want to > > > set up a task to monitor it with pretty high resolution, say, around one > > > ping per second (I have a feeling some of its frequent flakings are only > > > seconds in length, but enough to interrupt our VPN). > > > > > > Obviously, doing this sort of thing would require a target (or more > > > probably, list of targets) that are highly reliable themselves, to avoid > > > false down indications. So I'd probably create a list of N targets, and > > > each would only see a ping from me every N seconds unless one failed, in > > > which case the process would ping the next target on the list > > immediately. > > > > > > My concern, of course, being a [hopefully] nice little Net citizen, is > > > not wanting to irritate anyone by taking about 302kB out of their > > > transfer quota every hour (3600 pings * 84 bytes each), unless they're > > > intending to be so generous. > > > > > > In other words, I have a feeling I shouldn't just randomly choose some > > > hosts (unless I choose a huge number of them...a possibility). Hence > > > the question. > > > > > > And as a sideline question, if there's a nice utility out there already > > > to do something like that (take a list of hosts and ping one every X > > > seconds and report on the success), I'd love to know about it. > > > > > > Thanks a bunch as always! > > > ~Brian > > > > -- > > TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug > > TriLUG Organizational FAQ : http://trilug.org/faq/ > > TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ > > TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc > > > > > > -- > Israel J. Pattison > Raleigh, NC > Email: [EMAIL PROTECTED] > Web: http://www.fanana.net > > "Infinity, dear [friends], extends not only outward, but inward, into each > human heart." -- Dr. E. Urner Goodman -- TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug TriLUG Organizational FAQ : http://trilug.org/faq/ TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc
