pmtud + ipnat RELENG_6_2 appears to be broken

[Stephen Clark]

Hi List,

When using ipnat, part of ipfilter 4.1.13, I don't see any
icmp packets being returned saying:
Host Unreachable, frag needed and DF set.
type 3, code 4

It does work if I am not using ipnat.

Any ideas?

Thanks,
Steve

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