Traceroute on Linux/Unix boxes is generally using UDP by default. Try using ICMP, by adding the -I (capital i) option to traceroute:
traceroute -I 52.74.124.136 On Fri, Aug 7, 2015 at 2:05 AM, Glen Kent <glen.k...@gmail.com> wrote: > I find this bizzare because even when the traceroute doesnt work, I am > actually able to ping and access the machine. > > I know that the VM responds to traceroutes, since it did respond to my > traceroute when i was on the other broadband network. > > So i really fail to understand why the traceroute on the other network > failed. > > Any pointers on this would be very helpful. > > Thanks, GLen > > On Thu, Aug 6, 2015 at 8:53 PM, Glen Kent <glen.k...@gmail.com> wrote: > >> Really sorry. Didnt realize that this is a text-only forum. >> >> When my traceroute to 52.74.124.136 works: >> >> ~$ traceroute 52.74.124.136 >> traceroute to 52.74.124.136 (52.74.124.136), 30 hops max, 60 byte packets >> 1 xxxxxxx xxxxxxx 0.412 ms 0.472 ms 0.439 ms >> 2 xxxxxxx xxxxxxx 2.98 ms 2.971 ms 2.999 ms >> 3 xxxxxxx xxxxxxx 5.345 ms 5.546 ms 5.519 ms >> 4 xxxxxxx xxxxxxx 3.172 ms 3.051 ms 3.010 ms >> 5 if-6-2.tcore2.SVW-Singapore.as6543.net (180.87.37.14) 56.751 ms 56.285 >> ms 54.592 ms >> 6 180.87.15.206 (180.87.15.206) 73.468ms 66.993 ms 66.734 ms >> 7 203.83.223.58 (203.83.223.58) 43.737 ms 43.513 ms 44.029 ms >> 8 203.83.223.15 (203.83.223.15) 47.239 ms 46.382 ms 203.83.223.74 >> (203.83.223.74) 44.144 ms >> 9 203.83.223.231 (203.83.223.231) 44.431 ms 203.83.223.233 >> (203.83.223.233) 45.699 ms 46.158 ms >> 10 ec2-52-74-124-136.ap-southeast-1.compute.amazon.com (52.74.124.136) >> 44.067 ms 43.492 ms 43.499 ms >> >> When it doesnt: >> >> ~$ traceroute 52.74.124.136 >> traceroute to 52.74.124.136 (52.74.124.136), 30 hops max, 60 byte packets >> 1 xxxxxxx xxxxxxx 23.272 ms 25.011 ms 26.072 ms >> 2 xxxxxxx xxxxxxx 27.058 ms 28.971 ms 29.999 ms >> 3 xxxxxxx xxxxxxx 33.025 ms 33.996 ms 38.822 ms >> 4 p38895.sgw.equinix.com (202.79.197.87) 78.964 ms 60.051 ms 83.010 ms >> 5 203.83.223.4 (203.83.223.4) 63.682 ms 64.610 ms 65.837 ms >> 6 203.83.223.17 (203.83.223.17) 67.271 ms 203.83.223.23 (203.83.223.23) >> 68.521 ms 203.83.223.17 (203.83.223.17) 70.526 ms >> 7 203.83.223.233 (203.83.223.233) 71.624 ms 72.805 ms 74.471 ms >> 8 * * * >> 9 * * * >> 10 * * * >> 11 * * * >> 12 * * * >> 13 * * * >> 14 * * * >> 15 * * * >> 16 * * * >> 17 * * * >> 18 * * * >> 19 * * * >> 20 * * * >> 21 * * * >> 22 * * * >> 23 * * * >> 24 * * * >> 25 * * * >> 26 * * * >> 27 * * * >> 28 * * * >> 29 * * * >> 30 * * * >> >>
