<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Jan 16, 2019 at 2:16 PM Christopher Morrow <<a href="mailto:christopher.morrow@gmail.com">christopher.morrow@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Jan 16, 2019 at 1:55 PM Jared Mauch <<a href="mailto:jared@puck.nether.net" target="_blank">jared@puck.nether.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
<br>
> On Jan 16, 2019, at 1:18 PM, Christopher Morrow <<a href="mailto:christopher.morrow@gmail.com" target="_blank">christopher.morrow@gmail.com</a>> wrote:<br>
> <br>
> Howdy!<br>
> I've been running a few measurements over the last while and looked at the raw results like:<br>
> <br>
> [{"dst_name":"2001:4860:4860::8844","error":{"socket":"connect failed Network is unreachable"},"from":"fd84:d527:5183:0:a2f3:c1ff:fec4:63a8","fw":4940,"group_id":18903906,"lts":21,"msm_id":18903906,"msm_name":"Tdig","prb_id":13635,"....<br>
> "from":"2001:db8:4447:0:eade:27ff:fec9:7134","fw":4940,"group_id":18903906,"lts":7,"msm_id":18903906,"msm_name":"Tdig","prb_id":26725,"...]<br>
> <br>
> I'm curious if/how atlas reports back to probe owners: <br>
>   "Hey, your ipv6 connectivity is implausible/impossible"<br>
> <br>
> since, at least for:<br>
>   <a href="https://atlas.ripe.net/probes/26725/#!tab-network" rel="noreferrer" target="_blank">https://atlas.ripe.net/probes/26725/#!tab-network</a><br>
> and:<br>
>   <a href="https://atlas.ripe.net/probes/13635/#!tab-network" rel="noreferrer" target="_blank">https://atlas.ripe.net/probes/13635/#!tab-network</a><br>
> <br>
> there's no way their v6 addresses can work... (one is documentation prefix the other is ULA I think?)<br>
> <br>
> I suppose test requestors should check the ipv6 prefix to see if it's at least plausibly correct until some signal back to the owners can be attempted?<br>
<br>
You should be selecting probes with the system-ipv6-works tag<br>
<br></blockquote><div><br></div><div>DOH! :( ok, fine.</div><div>(thanks)</div><div> </div></div></div></blockquote><div><br></div><div>hey wait.... The first of my examples:<br>  <a href="https://atlas.ripe.net/probes/26725/#!tab-general">https://atlas.ripe.net/probes/26725/#!tab-general</a></div><div><br></div><div>has:<br>System Tags<span style="white-space:pre"> </span>V3 Resolves A Correctly Resolves AAAA Correctly IPv4 Works IPv6 Works IPv4 Capable IPv6 Capable IPv4 RFC1918 IPv4 Stable 90d<br></div><div><br></div><div>suspiciously: "system-ipv6-works" is in that list... even though the v6 address is:<br>  2001:db8:4447:0:eade:27ff:fec9:7134/64</div><div><br></div><div>at least the second one (<a href="https://atlas.ripe.net/probes/13635/#!tab-general">https://atlas.ripe.net/probes/13635/#!tab-general</a>) has:</div><div><div>V3 Resolver Mangles Case IPv4 Works IPv6 Doesn't Work IPv4 Capable IPv6 Capable IPv6 ULA IPv4 RFC1918 IPv4 Stable 1d</div></div><div>"system-ipv6-doesn't work"</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<a href="https://atlas.ripe.net/docs/probe-tags/" rel="noreferrer" target="_blank">https://atlas.ripe.net/docs/probe-tags/</a><br>
<br>
- jared<br>
<br>
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