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Re: level3.net in Chicago - high packet loss?!?

  • From: Christopher L. Morrow
  • Date: Tue Sep 06 13:10:34 2005


On Tue, 6 Sep 2005, chip wrote:

> On 9/6/05, Joe Maimon <jmaimon@ttec.com> wrote:
> >
> >
> > If the hop(s) following the one you see loss for shows no loss, then
> > disregard the loss for that hop, obviously whatever it is, it does not
> > affect transit, which is what you really want to know.
> >
> > Is that correct?
> >
> >
> This is one of the most misunderstood concepts in properly reading output
> from a traceroute (mtr, visualtraceroute, whatever). Basically you are
> seeing loss of packets destined directly *TO* that router, not THRU it. Most

no... not destined TO the router, destined THROUGH the router that happen
to TTL=0 ON that router.

which is also misunderstood by just about everyone :( but anyway... 'not
affecting transit' for reasons sited by yourself and min and adam already,
yes.




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