IP Fragmentation
Iljitsch van Beijnum
iljitsch at muada.com
Wed Aug 20 18:09:32 UTC 2008
On 20 aug 2008, at 20:04, Valdis.Kletnieks at vt.edu wrote:
> Hypothetically true. Unfortunately, enough places do bozo
> firewalling and drop
> the ICMP Frag Needed packets to severely limit the utility of PMTU
> Discovery.
Yet all OSes have it enabled and there is no fallback to fragmentation
in PMTUD: if your system doesn't get the ICMP messages, your session
is dead in the water.
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