[TriLUG] OT: Amiable ping target

[Israel J Pattison]

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 <jonc at nc.rr.com> 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
> 
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-- 
Israel J. Pattison 
Raleigh, NC
Email: pattison at usa.com 
Web: http://www.fanana.net

"Infinity, dear [friends], extends not only outward, but inward, into each 
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