On 31/08/2013 13:09, Randy Bush wrote: >>>> i wonder if this is correlated with the high number of probes being >>>> behind nats. >> >> Maybe this provides a bit of insight: >> From a test last week from all RIPE Atlas probes to a single "known >> good" MTU 1500 host I compared probes where I had both a ping test with >> ipv4.len 1020 and ipv4.len 1502. >> behind NAT probes: 12% 1020 bytes ping worked while 1502 failed >> non-NATted probes: 6% "" > > this needs publication on your adventure game of a web site, please. it > will seriously 'inform' some discussion going back and forth on ietf > lists.
This is now published on RIPE Labs. For the adventurous: https://labs.ripe.net/Members/emileaben/ripe-atlas-packet-size-matters regards, Emile Aben RIPE NCC