nanog mailing list archives

Re: IP Fragmentation - Not reliable over the Internet?


From: Randy Bush <randy () psg com>
Date: Sat, 31 Aug 2013 20:09:18 +0900

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.

randy


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