For some more information, this previous document and presentation make good resources:
Document: http://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N47_Sun.pdf There's also a presentation here: http://www.nanog.org/meetings/nanog45/presentations/Interpret_traceroutes.wmv On Sat, Nov 3, 2012 at 11:10 PM, Randy <randy_94...@yahoo.com> wrote: > --- On Sat, 11/3/12, Christopher Morrow <morrowc.li...@gmail.com> wrote: > > > From: Christopher Morrow <morrowc.li...@gmail.com> > > Subject: Re: qwest.net dropping packets... wife would like someone to > pick them up please... > > To: "Randy Bush" <ra...@psg.com> > > Cc: "North American Network Operators' Group" <nanog@nanog.org> > > Date: Saturday, November 3, 2012, 7:04 PM > > On Sat, Nov 3, 2012 at 3:07 AM, Randy > > Bush <ra...@psg.com> > > wrote: > > >> one router along the path showing loss that does > > not continue to > > >> affect the rest of the path simply means the cpu on > > that router > > >> is a bit too busy to respond to icmp messages > > > > > > trivial footnote: some folk configure some routers to > > rate limit > > > icmp > > > > other trivial footnote, not all traceroute is icmp. > > > True, wrt to destination. However all intermediate(including penultimate) > hops reveal themselves via ICMP type 11 Code 0 (TTL exceeded in transit) > ./Randy > > >
