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SubjectRe: 2.4.20 Broken Path MTU Discovery?
On Mon, Feb 03, 2003 at 01:08:24AM +0100, Carlos Velasco wrote:
> *Info added*
>
> This issue is not shown when MTU in router is 600 or bigger.
> If I set router MTU to 500 the problem is as show below.
See /proc/sys/net/ipv4/route/min_pmtu, which defaults to 552.

And there's a perfectly good reason to have a minimum value,
guess what happens if someone starts spoofing fragmentation needed
packets that suggest a MTU of 68 bytes would be appropriate?
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