> 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> http://www.caida.org/tools/measurement/scamper/ http://www.caida.org/~mjl/pubs/debugging-pmtud.imc2005.pdf Happy to help anyway I can (I wrote scamper) Matthew
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