On Fri, Oct 12, 2018 at 04:35:17PM -0500, golinux@??? wrote:
> Thanks for the responses. I suspect that IPv6 might indeed be the culprit.

I doubt it, since both traceroutes are using IPv4, and both have odd delays.

> $ traceroute google.com
> traceroute to google.com (74.125.129.102), 30 hops max, 60 byte packets
> 1 * * *
> 2 tge0-0-0.ausdtx2802h.texas.rr.com (66.68.2.205) 45.543 ms 46.092 ms
> 46.373 ms
> 3 agg30.ausxtxir02r.texas.rr.com (24.175.42.144) 24.660 ms 25.364 ms
> 25.750 ms
> 4 agg22.hstqtxl301r.texas.rr.com (24.175.41.48) 31.765 ms 36.379 ms
> 35.651 ms
> 5 ae-1-0.p0.atl90.tbone.rr.com (66.109.1.218) 50.802 ms 44.462 ms
> 39.178 ms
> 6 bu-ether12.dllstx976iw-bcr00.tbone.rr.com (66.109.6.39) 45.106 ms
> 34.283 ms 107.14.19.49 (107.14.19.49) 36.338 ms
> 7 0.ae1.pr1.dfw10.tbone.rr.com (107.14.17.234) 35.058 ms
> 0.ae2.pr1.dfw10.tbone.rr.com (107.14.17.236) 27.868 ms 25.589 ms
> 8 ix-ae-23-0.tcore2.dt8-dallas.as6453.net (66.110.57.97) 32.475 ms
> 39.941 ms 52.998 ms
> 9 74.125.50.214 (74.125.50.214) 31.421 ms 34.253 ms 38.467 ms
> 10 * * *
> 11 216.239.63.238 (216.239.63.238) 34.677 ms 108.170.226.56
> (108.170.226.56) 29.073 ms 108.170.226.182 (108.170.226.182) 29.651 ms
> 12 108.170.240.145 (108.170.240.145) 29.667 ms 108.170.240.209
> (108.170.240.209) 32.095 ms 108.170.252.130 (108.170.252.130) 34.320 ms
> 13 216.239.59.168 (216.239.59.168) 29.987 ms 108.170.233.117
> (108.170.233.117) 30.326 ms 108.170.228.84 (108.170.228.84) 31.091 ms
> 14 209.85.250.37 (209.85.250.37) 30.081 ms 38.277 ms 35.229 ms
> 15 209.85.246.182 (209.85.246.182) 56.902 ms 209.85.246.84 (209.85.246.84)
> 77.541 ms 209.85.246.182 (209.85.246.182) 73.471 ms

Looks to me like dropped packets start around here:

> 16 216.239.56.175 (216.239.56.175) 63.061 ms 216.239.54.65 (216.239.54.65)
> 61.564 ms 216.239.48.67 (216.239.48.67) 65.893 ms
> 17 * * *
> 18 * * *
> 19 * * *
> 20 * * *
> 21 * * *
> 22 * * *
> 23 * * *
> 24 * * *
> 25 * * *
> 26 * * *
> 27 jm-in-f102.1e100.net (74.125.129.102) 168.457 ms 171.191 ms 170.337
> ms
>

I reproduced the above traceroute to the same IP, and am seeing
similar results, even though my packets took a different route from
yours. This suggests it could be a problem with that particular IP.

> Good grief!!! Another trace route eventually got to one of my websites:
>
> $ traceroute stopcta.info
> traceroute to stopcta.info (185.203.114.117), 30 hops max, 60 byte packets
> 1 * * *
> 2 tge0-0-0.ausdtx2801h.texas.rr.com (66.68.2.201) 330.761 ms 331.380 ms
> 331.773 ms
> 3 agg30.ausutxla01r.texas.rr.com (24.175.42.142) 25.345 ms 26.732 ms
> 27.302 ms
> 4 agg22.dllatxl301r.texas.rr.com (24.175.41.46) 37.000 ms 33.044 ms
> 37.558 ms
> 5 bu-ether14.dllstx976iw-bcr00.tbone.rr.com (66.109.6.88) 41.860 ms
> 66.109.1.216 (66.109.1.216) 40.157 ms 41.325 ms
> 6 66.109.5.121 (66.109.5.121) 31.192 ms 42.090 ms 25.595 ms
> 7 dls-b21-link.telia.net (62.115.156.208) 27.346 ms 28.104 ms 27.084 ms
> 8 atl-b22-link.telia.net (80.91.246.74) 49.968 ms 58.985 ms 49.461 ms
> 9 mai-b1-link.telia.net (62.115.122.53) 69.445 ms 67.043 ms 59.106 ms
> 10 init7-ic-318278-mai-b1.c.telia.net (62.115.148.55) 70.009 ms 77.143 ms
> 72.151 ms
> 11 r2nyc3.core.init7.net (193.47.153.231) 71.850 ms 70.682 ms 78.191 ms
> 12 r1nyc3.core.init7.net (193.47.153.238) 80.221 ms 73.209 ms 69.531 ms
> 13 r1nyc2.core.init7.net (193.47.153.234) 84.886 ms 74.355 ms 70.098 ms

A rather large delay seems to start here:

> 14 r1lon2.core.init7.net (77.109.128.14) 140.249 ms 140.124 ms 147.072
> ms
> 15 r1bsl1.core.init7.net (77.109.128.102) 173.037 ms 162.066 ms 164.498
> ms
> 16 r1zrh2.core.init7.net (77.109.128.129) 159.150 ms 152.605 ms
> r1bsl3.core.init7.net (82.197.168.18) 160.159 ms
> 17 r1glb1.core.init7.net (77.109.128.238) 165.343 ms r1zrh8.core.init7.net
> (82.197.168.74) 155.252 ms r1glb1.core.init7.net (77.109.128.238) 171.133
> ms
> 18 empty.init7.net (77.109.141.139) 159.961 ms 156.963 ms 165.937 ms
> 19 * r1glb1.core.init7.net (77.109.140.205) 156.057 ms 159.736 ms
> 20 empty.init7.net (77.109.141.139) 165.136 ms
> 117-114-203-185.place5.ungleich.ch (185.203.114.117) 169.960 ms
> empty.init7.net (77.109.141.139) 161.785 ms
>
> I (or rather Evilham and Nico) recently moved my websites to a devuan IPv6
> VPS which is set up to serve IPv4 too through some sort of server-side magic
> I don't really understand. I suspect this might be what triggered
> things.

It's possible. I reproduced this traceroute also, and am seeing the
large delay as well. This suggests that everything is fine with your
home network, as well as your ISP.

> I
> am clueless how to test if IPv6 is actually enabled on my network or how to
> disable it if it is.

If you've disabled IPv6 already, you'll need to enable it again
first. Then, use traceroute6 (which actually just calls traceroute
with the -6 flag), like:

traceroute6 google.com

There are other ways of course, but that's probably the simplest. If
you have IPv6, the traceroute will have output similar to what you
posted, but with IPv6 addresses. If you don't have IPv6, it will just
fail from the start.


Greg


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