while playing around with traceroutes for a measurement study of bgp, i
often come across the traceroute outputs similar to those appended below.
i don't have a reasonable explanation of such behaviour (i don't think
these are routing loops; they are not transient in any case). i am hoping
someone on the list has a hang of traceroute implementations, and provide
insights into under what circumstances this might happen.
thanks,
-- ratul