HP PROCURVE 2520 Management And Configuration Manual page 490

Troubleshooting
Diagnostic Tools
Figure C-16. Example of a Completed Traceroute Enquiry
Continuing from the previous example (Figure C-16, above), executing
traceroute with an insufficient maxttl for the actual hop count produces an
output similar to this:
Traceroute does not reach
destination IP address
because of low maxttl
setting.
Figure C-17. Example of Incomplete Traceroute Due to Low Maxttl Setting
C-56
Destination IP Address
Intermediate router hops
with the time taken for the
switch to receive
acknowledgement of
each probe reaching each
router.
The asterisk indicates there was a
timeout on the second probe to the third
hop.