RING measurements don't match access-networks (Was: Some very nice broken IPv6 networks...)

Matthew Luckie mjl at luckie.org.nz
Tue Nov 11 06:38:20 CET 2014

> Also, broken pMTU/traceroute for:
> 2a02:58:3:110::23:1
> 2a01:310:8312:1001::19
> 2a00:1f00:dc06:11::10
> 2001:48c8:3:2::2
> 2607:fcc0:2:1:208:70:247:50
> 2001:67c:2274:4021::101

I took a look at the tracepath information you sent for these nodes,
which showed a bunch of unresponsive nodes but no information that
might be useful for assigning blame.  It'd be cool to see these paths
with scamper's pmtud traceroute, which tries to find out the MTU for
the hops that aren't sending a PTB.

with that list of IP addresses:
scamper -c "trace -P udp-paris -M" -f <file>


Happy to help anyway I can (I wrote scamper)

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