IPV4 conformance and bit DF configuration

[Jean-Denis Boyer]

Gérard,

> I want to set the DF (Don't Fragment bit) in an UDP socket
> without accessing
> the IP header.
> I don't find a setsockopt function to do it like for TOS or TTL.

There is a socket option for this: IP_PMTU_DISCOVER.
Have a look at the manual page ip(7).


Salutations,
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 Jean-Denis Boyer, Eng.
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