Re: IP Fragmentation

[Iljitsch van Beijnum <iljitsch () muada com>]

On 20 aug 2008, at 20:04, Valdis.Kletnieks () 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.