mtr is also worth looking at, plus it has an interesting XML output option.
Shane O. On 8/26/05, Aaron Joyner <[EMAIL PROTECTED]> wrote: > 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 > > I'm surprised no one mentioned smokeping, by Tobias Oetiker, the author > of RRDtool and MRTG. You can find more information here: > http://people.ee.ethz.ch/~oetiker/webtools/smokeping/ > > It gives a lot more information about latency than you really need (it's > more suited to Jon's problem), but it does the trick nicely for noticing > connectivity problems, and generates beautiful graphs in the process. > From a quick googling, there are packages for both Debian and Ubuntu. > > Aaron S. Joyner > -- > 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 > -- Shane O. ======== Shane O'Donnell [EMAIL PROTECTED] ==================== -- 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
